A
212 plants
- Aaron's Rod; Blue Ridge Golden Banner
- Acid Loving Sedge
- Acid Swamp Yellow Eyed Grass
- Adam and Eve; Putty Root
- Adam's Needle; Bear Grass; Eastern Yucca
- African Amaranth
- African Bristlegrass
- African Horned Cucumber; Horned Melon
- African Woodsorrel
- Air Yam; Air Potato
- Alabama Arrow Wood
- Alabama Azalea
- Alabama Black Cherry
- Alabama Blue Eyed Grass
- Alabama Canebrake Pitcher Plant; Alabama Pitcher Plant
- Alabama Croton
- Alabama Gladecress
- Alabama Grape Fern; Dixie Grape Fern; Jenman's Grape Fern
- Alabama Hawthorn
- Alabama Heartleaf; Alabama Ginger
- Alabama Hedge-nettle
- Alabama Larkspur
- Alabama Leather Flower; Kral's Leather Flower
- Alabama Lip Fern; Smooth Lip Fern
- Alabama Milkvine; Alabama Spinypod
- Alabama Phlox; Wherry's Phlox
- Alabama Pinkroot
- Alabama Skullcap
- Alabama Snow Wreath
- Alabama Streak Sorus Fern
- Alabama Warbonnet
- Alamo Vine; Noyau Vine
- Albany Hawthorn
- Albertville Hawthorn
- Alfalfa; Lucerne
- Algal Bulrush
- Allegheny Blackberry
- Allegheny Brook Foam; Brook Saxifrage; Aconite Saxifrage
- Allegheny Chinquapin; Common Chinquapin
- Allegheny Hawthorn
- Allegheny Monkey Flower; Square Stem Monkey Flower; Common Monkey Flower
- Allegheny Serviceberry; Smooth Serviceberry; Smooth Leaf Shadbush
- Allegheny Spurge; Mountain Spurge
- Alligator Weed
- Alligatorflag; Fireflag
- Allison's Fleabane; Limestone Fleabane
- Alsike Clover
- Alternate Leaf Dogwood; Pagoda Cornel; Green Osier
- Alternate Leaf Seedbox; Bushy Seedbox
- Amamstala Dock
- Amazon Sprangletop
- American Alumroot; Common Alumroot; Rock Geranium
- American Barberry; Allegheny Barberry
- American Basket Flower
- American Basswood
- American Beakgrain; Twin Grass; Eastern Beakgrain
- American Beauty Berry; French Mulberry
- American Beech
- American Bellflower; Tall Bellflower
- American Bittersweet; Climbing Bittersweet; Wax Work
- American Black Nightshade
- American Bladdernut
- American Bluehearts; Prairie Bluehearts; Plains Bluehearts
- American Buckwheat Vine; Ladies' Eardrops; Redvine
- American Bugleweed; Cutleaf Water Horehound
- American Bulrush; Olney's Three Square; Chairmaker's Club Rush
- American Bur Reed
- American Carrot; Seed Ticks; American Queen Anne's Lace
- American Century Plant
- American Chestnut
- American Climbing Fern; Hartford Fern
- American Columbo; Carolina Gentian
- American Cupscale
- American Dog Violet; Alpine Violet
- American Eelgrass; Tapegrass; Water Celery
- American Elm; White Elm
- American False Pennyroyal
- American Featherfoil; Water Violet
- American Frog's Bit; American Sponge plant
- American Germander; Wood Sage
- American Ginseng; Sang
- American Golden Saxifrage; Water Mat; Water Carpet
- American Gromwell; Broadleaf Gromwell
- American Halfchaff Sedge
- American Hart's Tongue Fern
- American Hazelnut; American Filbert
- American Hog Peanut
- American Holly
- American Hornbeam; Blue Beech; Muscle Wood
- American Ipecac; Midwestern Indian Physic
- American Joint Vetch; Shyleaf
- American Lopseed
- American Lotus; Yellow Lotus; Water Chinquapin
- American Lovage; Nondo; Angelico
- American Marshcress; Marsh Yellowcress; Bog Yellowcress
- American Mistletoe; Christmas Mistletoe; Oak Mistletoe
- American Nailwort; American Whitlow Wort
- American Pillwort
- American Plum; Wild Plum; Red Plum
- American Pokeweed; Common Pokeweed
- American Rat's Tail Grass
- American Self Heal
- American Smoketree; Chittamwood
- American Snowbell; American Storax
- American Speedwell; American Brooklime
- American Spikenard; Hungry Root
- American Squawroot; Cancer Root
- American Stinging Nettle
- American Strawberry Bush; Hearts a Bustin' with Love
- American Swamp Lily; Seven Sisters Lily
- American Sycamore; Plane Tree; Buttonwood
- American Wahoo; Eastern Wahoo; Burning Bush
- American Wall Rue; Wall Rue Spleenwort
- American Water Plantain; Southern Water Plantain
- American Water Willow
- American Waterwort
- American Wisteria; Swamp Wisteria
- American Witch Grass
- American Witch Hazel; Virginia Witch Hazel
- Amur Honeysuckle
- Amur Privet
- Angle Pod; Angular Fruit Milkvine; Climbing Milkweed
- Angle Stem Beakrush; Angle Stem Beaksedge; Falling Beakrush
- Anise Root; Long Style Sweetroot; Smooth Sweet Cicely
- Annual Blue Eyed Grass; Lawn Blue Eyed Grass; Fairy Stars
- Annual Bluegrass; Low Speargrass
- Annual Fimbry
- Annual Honesty; Silver Dollar; Money Plant
- Annual Junegrass; Mediterranean Hairgrass
- Annual Knawel, German Knotgrass
- Annual Mercury; Herb Mercury; Boys and Girls
- Annual Phlox; Drummond's Phlox
- Annual Rabbit Foot Grass; Annual Beard Grass
- Annual Sumpweed; Annual Marsh Elder; Rough Marsh Elder
- Annual Trampweed
- Annual Vernal Grass; Small Sweet Vernal Grass
- Annual Wallrocket; Sand Rocket; Stinking Wallrocket
- Annual Wormwood; Sweet Annie; Sweet Sagewort
- Apalachicola Doll's Daisy
- Apalachicola false rosemary
- Apalachicola Toadflax; Florida Toadflax
- Apalachicola Wild Indigo; Bigpod Wild Indigo
- Appalachian Beardtongue; Eastern Gray Beardtongue
- Appalachian Bergamot; Wild Bergamot; Mint Leaf Beebalm
- Appalachian Black-cohosh
- Appalachian Blazing Star; Appalachian Gayfeather
- Appalachian Bristle Fern; Appalachian Filmy Fern
- Appalachian Clasping Aster; Phlox Leaf Aster
- Appalachian Coneflower; Shady Coneflower
- Appalachian Golden Banner; Allegheny Mountain Golden Banner
- Appalachian Mountain Mint; Savannah Mountain Mint
- Appalachian Quillwort
- Appalachian Ragwort; Southern Ragwort; Small's Groundsel
- Appalachian Rock Pink
- Appalachian Rockcap Fern; Appalachian Polypody
- Appalachian Rose Gentian; Cumberland Rose Gentian; Upland Rose Gentian
- Appalachian Sandwort; Appalachian Stitchwort
- Appalachian Sedge
- Appalachian Shoestring Fern
- Apple Mint
- Apple of Peru; Shoofly Plant
- Arborvitae Fern; Braun's Spikemoss; Treelet Spikemoss
- Argentina Senna; Flowery Senna; Argentinean Wild Sensitive Plant
- Arizona Cypress
- Arkansas Oak
- Arm Grass Millet
- Aroma; Sickle Bush
- Aromatic Aster; Oblong Leaf Aster
- Arrow Bamboo
- Arrow Feather Three Awn; Purple Three Awn; Arrow Grass
- Arrow Head Rattlebox; Common Rattlebox
- Arrowleaf Aster; Sword Leaf Aster
- Arrowleaf Clover
- Arrowleaf Elephant's Ear
- Arrowleaf Ginger; Little Brown Jug; Arrowleaf Heartleaf
- Arrowleaf Tearthumb; Arrow Vine; Scratch Grass
- Arrowleaf Violet
- Ashe's Arrow Wood
- Ashe's Hawthorn
- Ashe's Witch Grass
- Ashen Hoary Pea
- Ashy Hydrangea; Deam's Hydrangea
- Ashy Sunflower; Gray Sunflower
- Asian Beech Fern
- Asian Bittersweet; Oriental Bittersweet
- Asian Crabgrass
- Asian Holly Fern; Fortune's Net Vein Holly Fern
- Asian spider flower; Wild Caia; Yellow Cleome
- Asian Spikesedge
- Asian Star Jasmine
- Asiatic Dayflower; Common Dayflower
- Asiatic Hawk's Beard; Oriental False Hawk's Beard
- Atamasco Lily; Rain Lily
- Atlantic Ninebark; Eastern Ninebark; Opulaster
- Atlantic White Cedar
- Australian Signal Grass
- Australian Water Clover; Banded Nardoo
- Autumn Bentgrass; Upland Bent; Autumn Bent
- Autumn Bluegrass
- Autumn Coral Root; Small Coral Root
- Autumn Fern; Japanese Wood Fern
- Autumn Gold; Garden Montbretia; Hybrid Montbretia
- Autumn Olive; Japanese Silverberry; Oleaster
- Autumn Water Starwort
- Autumn Zephyr Lily; Fairy Lily
- Awl Fruit Sedge; Saw Beak Sedge
- Awl Leaf Arrowhead; Dwarf Arrowhead
- Awned Flatsedge
- Awned Meadow Beauty; Bristly Meadow Beauty; Awn Petal Meadow Beauty
- Awnless Beggarticks; Tickseed Sunflower
- Axil Flower; Blackening Hedge Hyssop
- Azure Blue Sage
B
316 plants
- Baby Jumpup
- Baby's Breath Spirea; Thunberg's Meadowsweet; Thunberg's Spirea
- Bagpod; Bladderpod
- Bahia Grass
- Bahia Lovegrass
- Bailey's Sedge
- Bald Bedstraw
- Bald Spikerush; Cow Kill
- Baldwin's Beakrush; Baldwin's Beaksedge
- Baldwin's Eryngo
- Baldwin's Flatsedge
- Baldwin's Milkvine; White Spinypod
- Baldwin's Milkwort; White Milkwort
- Baldwin's Nailwort; Dune Whitlow Wort
- Baldwin's Nutrush
- Baldwin's Spikerush; Road Grass
- Baldwin's Yellow Eyed Grass; Grassleaf Yellow Eyed Grass
- Ballmoss
- Balloon Vine; Love in a Puff; Heart Seed
- Balsam Pear; Bitter Melon; Bitter Gourd
- Balsam Ragwort; Northern Meadow Groundsel; Balsam Groundsel
- Baltzell's Sedge
- Banana Water Lily; Yellow Water Lily
- Banana; Plantains
- Bandanna of the Everglades; Golden Canna; Yellow Canna
- Barbed Bristlegrass
- Barbed Rattlesnake Root; Flatwoods Rattlesnake Root
- Barberry Hawthorn
- Barnyard Grass
- Barratt's Sedge
- Barrelhead Blazing Star; Slender Blazing Star; Ontario Gayfeather
- Barrens Dropseed
- Bartley's Clubmoss; Bartley's Firmoss
- Bartram's Rose Gentian
- Basal Flower Sedge; Widow Sedge
- Basil Bergamot; White Bergamot; Basil Beebalm
- Bastard Oak; Durand's Oak
- Bay Biscayne Creeping Oxeye
- Bay Hops; Railroad Vine; Goat's Foot Creeper
- Bay Starvine; Climbing Magnolia; Magnolia Vine
- Beach Creeping Oxeye
- Beach False Foxglove; Fascicled Gerardia
- Beach Morning Glory; Dune Morning Glory
- Beach Tea; Silverleaf Croton; Gulf Croton
- Beadle's Hybrid Oak
- Beadle's Leather Flower
- Beaked Cornsalad
- Beaked Cut Throat Grass; Beaked Panic Grass
- Beaked Ditch Grass; Wigeon Grass; Duck Grass
- Beaked Hazelnut
- Beaked Spikerush
- Beaked Trout Lily; Dog Tooth Violet; Yellow Fawn Lily
- Bear's Foot; Yellow Flower Leafcup
- Bearded Beggarticks; Midwestern Tickseed Sunflower
- Bearded Grass Pink
- Bearded Milk Vetch; Southern Milk Vetch
- Bearded Sedge
- Bearded Shorthusk; Long Awn Woodgrass; Common Shorthusk
- Bearded Skeleton Grass
- Bearded Sprangletop; Salt Sprangletop
- Beautiful Hawthorn
- Beauty Bush
- Bedstraw St. John's Wort; Glossy St. John's Wort
- Beechdrops
- Beefsteak Plant; Wild Basil
- Beetle Weed; Galax; Wandflower
- Beggarticks; Romerillo
- Bellard's Smartweed; Red Knot Grass; Tree Hogweed
- Bellow's Beak Sedge; Slender Oak Sedge
- Bengal Dayflower; Jio; Tropical Spiderwort
- Bent Awn Plume Grass
- Bent Sedge; Bent Fruit Sedge
- Bent White Trillium; Bent Trillium; Nodding Wakerobin
- Bentawn Flatsedge
- Berg's Panic Grass
- Berlandier's Sundrops; Texas Primrose; Square Bud Primrose
- Bermuda Grass; Scutch Grass
- Bicolor Fringed Orchid
- Biennial Beeblossom; Biennial Gaura; Northeastern Gaura
- Big Blue Lily Turf; Monkey Grass
- Big Bluestem; Turkey Foot
- Big Caltrop; Greater Caltrop
- Big Carpet Grass
- Big Chickweed; Common Mouse Ear Chickweed
- Big Cordgrass; Giant Cordgrass
- Big Floating Heart; Banana Floating Heart
- Big Foot Water Clover; Clover Fern; Large Foot Pepperwort
- Big Head Pussytoes
- Big Head Rabbit Tobacco; Big Head Pygmy Cudweed; Cotton Rose
- Big Head Rush; Large Head Rush
- Big Sandbur
- Big Seed Copperleaf; Two Seed Copperleaf; Deam's Three Seed Mercury
- Big Shellbark Hickory; Kingnut Hickory; Bigleaf Shagbark Hickory
- Big Spine Thistle
- Big Three Awn
- Big Top Lovegrass
- Bigleaf Magnolia; Oowah Tree
- Bigleaf Snowbell; Bigleaf Storax; Large Leaf Storax
- Bigpod Sesban; Dangle Pod; Hemp Sesban
- Biltmore Ash
- Biltmore Hawthorn
- Biltmore's Carrion Flower
- Bird Eye Speedwell
- Bird Foot Violet
- Bird's Eye; Blood Drops; Autumn Adonis
- Birdbill Spikegrass; Birdbill Wood Oats
- Birdseed Leaf
- Bisnaga; Toothpick Weed
- Bitter Dock; Broadleaf Dock
- Bitter Seabeach Grass
- Bitternut Hickory; Swamp Hickory
- Bitterweed; Yellowdicks; Five Leaf Sneezeweed; Spanish Daisy
- Black Bamboo
- Black Belt Black Eyed Susand
- Black Belt Blue Star
- Black Belt Leatherflower
- Black Bentgrass; Black Bent
- Black Bindweed; Climbing Buckwheat
- Black Blueberry; Hairy Blueberry; Black Highbush Blueberry
- Black Cherry; Cabinet Cherry; Rum Cherry
- Black Chokeberry
- Black Disk Medick; Large Disc Medick; Button Clover
- Black Edge Sedge
- Black Eyed Pea; Field Pea
- Black Eyed Susan Vine
- Black Foot Quillwort; Midland Quillwort
- Black Fruit Spikerush
- Black Gum; Black Tupelo; Sour Gum
- Black Horehound
- Black Huckleberry; Crackleberry
- Black Jack Oak; Barren Oak
- Black Locust; False Acacia
- Black Mangrove
- Black Maple
- Black Medick; Yellow Trefoil
- Black Mustard
- Black Needle Rush; Needle Grass Rush; Roemer's Rush
- Black Oak
- Black Poplar
- Black Raspberry; Blackcap Raspberry
- Black Seed Plantain; American Plantain; Broadleaf Plantain
- Black Stem Spleenwort; Little Ebony Spleenwort
- Black Thistle; Le Conte's Thistle
- Black Walnut
- Black Willow
- Blackbelt Rosinweed
- Blackberry Lily; Leopard Lily
- Blessed Milk Thistle
- Blessed Thistle
- Blood Milkwort; Field Milkwort; Purple Milkwort
- Blood Sage; Scarlet Sage
- Blood Scale Flatsedge
- Blood Witch Grass; Kunth's Witch Grass; Blood Rosette Grass
- Bloodleaf; Juda's Bush
- Bloodroot; Red Puccoon
- Blue Ash; Mountain Ash
- Blue Cohosh; Papoose Root; Green Vivian
- Blue Crowngrass
- Blue Egyptian Lotus
- Blue Flag Iris; Virginia Iris
- Blue Flower Eryngo; Savannah Eryngo; Blue Flower Coyote Thistle
- Blue Jack Oak; Sand Jack Oak
- Blue Marsh Violet; Bog Violet
- Blue Mink
- Blue Mistflower; Wild Ageratum
- Blue Mud Plantain
- Blue Panic Grass
- Blue Plantain Lily
- Blue Porterweed; Light Blue Snakeweed; Jamaican Vervain
- Blue Ridge Carrion Flower; Midwestern Carrion Flower
- Blue Ridge Catchfly; Southern Campion; Ovate Catchfly
- Blue Sedge
- Blue Spikemoss; Peacock Moss
- Blue Vervain; Simpler's Joy; Wild Hyssop
- Blue Water Hyssop; Sweet Water Hyssop; Carolina Water Hyssop
- Blue Water Speedwell
- Blue Waxweed
- Blue Witch Grass
- Bluff Oak
- Bluffton Hybrid Oak
- Blunt Broom Sedge; Caltrop Sedge
- Blunt Leaf Bedstraw
- Blunt Leaf False Foxglove
- Blunt Lobe Cliff Fern; Common Woodsia
- Blunt Scale Bulrush; Weak Stalk Club Rush; Weak Stalk Bulrush
- Blunt Spikerush
- Bog Oatgrass
- Bog Smartweed; Bristly Smartweed
- Bog Spicebush
- Bog White Violet; Lance Leaf Violet
- Bog Witch Grass; Peaty Witch Grass
- Bog Yellow Eyed Grass; Common Yellow Eyed Grass
- Boom's Quillwort
- Boott's Goldenrod
- Bosc's Mille Graines; Bosc's Bluet
- Bosc's Witch Grass; Bosc's Panic Grass; Bosc's Rosette Grass
- Bottle Gourd; Calabash Gourd
- Bottlebrush Buckeye
- Bottlebrush Three Awn; Spike Three Awn
- Bottomland Post Oak; Swamp Post Oak; Delta Oak
- Bouncing Bett; Soapwort
- Bowman's Root; Mountain Indian Physic
- Box Elder; Ash Leaf Maple
- Boxwood
- Boydston's Spleenwort
- Boykin's Cluster Pea
- Boykin's Lobelia
- Boykin's Milkwort
- Boynton's Locust
- Boynton's Oak; Scrub Post Oak; Boynton's Sand Post Oak
- Bracted Fanpetals
- Bradford Pear; Callery Pear
- Branched Broomrape
- Branched Centaury; Common Centaury
- Branched Foldwing; Wild Mudwort; False Mint
- Branched Hedge Hyssop
- Branched Tearthumb; Mexican Tearthumb
- Brazilian Arrow Wood
- Brazilian Cat's Ear
- Brazilian Vervain
- Brazilian Watergrass
- Brazilian Watermeal
- Brazilian Waterweed
- Brazilian Wood Sorrel
- Bread Wheat
- Bretonica peluda
- Bridal Wreath Spirea
- Bright Green Spikerush
- Bristle Greenbrier; Bristly Bullbrier; China Root
- Bristle Leaf Chaffhead; Lavender Lady; False Liatris
- Bristle Leaf Sedge; Ebony Sedge
- Bristle Seed Star Grass; Wright's Star Grass; Pineland Yellow Star Grass
- Bristle Stalk Sedge
- Bristly Buttercup; Hispid Buttercup
- Bristly Dewberry; Swamp Dewberry
- Bristly Dog's Tail Grass; Spiny Dog's Tail Grass; Rough Dog's Tail
- Bristly Flatsedge
- Bristly Fruit Scale Seed; Beggar's Lice
- Bristly Wood Sorrel
- Bristol Hawthorn
- Brittle Water Nymph; Brittle Niad; Spiny Leaf Naiad
- Britton's Spikerush
- Britton's Wild Petunia; Mexican Bluebell
- Broad Beech Fern; Southern Beech Fern
- Broad Fruit Beakrush; Carey's Horned Beaksedge; Broad Fruit Horned Beaksedge
- Broad Loose Flower Sedge
- Broad Wing Sedge
- Broadleaf Arrowhead; Duck Potato; Wapato
- Broadleaf Barbara's Buttons; Colonial Barbara's Buttons
- Broadleaf Carpet Grass; Tropical Carpet Grass
- Broadleaf Indian Plantain; Egg Leaf Indian Plantain
- Broadleaf Ironweed
- Broadleaf Sandhill Bluestars; Fringed Bluestars
- Broadleaf Seneca Snakeroot
- Broadleaf Signalgrass; Broadleaf Liverseed Grass
- Broadleaf Waterleaf; Canadian Waterleaf; Blunt Leaf Waterleaf
- Broadleaf Whitetop Sedge; Sandswamp Whitetop Sedge; Giant Whitetop Sedge
- Broadleaf Woodsorrel
- Broadleaved Beautiful Hawthorn
- Brome Fescue; European Squirrel Tail Fescue
- Brome Like Sedge
- Broom Corn; Milo; Grain Sorghum
- Broom Sedge; Virginia Bluestem; Oldfield Broomstraw
- Brown Fruited Rush
- Brown Plume Grass; Bunched Plume Grass
- Brown Seed Crowngrass
- Brown Top Millet; Dixie Liverseed Grass; Dixie Signalgrass
- Brown Top Signalgrass; Hurrah Grass; Brown Top Liverseed Grass
- Brown's Dock
- Brownish Beakrush; Brownish Beaksedge
- Bruce's Clubmoss
- Brunswick Grass
- Bryson's Sedge
- Buck Horn Plantain
- Buckley's Goldenrod
- Buckroot; Eastern Prairie Turnip; Hoary Scurf Pea
- Buckthorn Bully; Buckthorn Bumelia
- Buckwheat Tree; Black Titi
- Buffalo Bur; Kansas Thistle; Horned Nightshade
- Buffalo Clover
- Buffalo Nut; Oil Nut; Rabbit Wood
- Bulblet Bladder Fern; Bulblet Fern
- Bulbous Adder's Tongue; Dwarf Adder's Tongue
- Bulbous Bittercress; Spring Cress
- Bulbous Buttercup; St. Anthony's Turnip
- Bulbous Wood Rush
- Bull Crowngrass
- Bull Mallow; Bull Cheeseweed
- Bull Thistle; Common Thistle
- Bull Tongue Arrowhead
- Bunched Beakrush; Bunched Beaksedge
- Bunny's Tail Grass
- Bur Bristlegrass; Adherent Bristlegrass
- Bur Chervil; Bur Parsley
- Bur Mallow
- Bur Medick; Downy Bur Clover
- Bur Oak; Mossycup Oak
- Burning Bush
- Burning Bush
- Burning Nettle; Dog Nettle; Small Nettle
- Burweed
- Bury Seed Umbrella Grass; Prieur's Umbrella Grass
- Bush's Hybrid Buckeye
- Bush's Sedge
- Bushkiller
- Bushy St. John's Wort
- Bushy Tickseed
- Butler's Sand Parsley
- Butter and Eggs; Yellow Toadflax; Wild Snapdragon
- Butter Daisy; Boton de Oro
- Butterfly Milkweed; Common Butterfly Weed; Pleurisy Root
- Butterfly Pea; Atlantic Pigeon Wings
- Butternut; White Walnut
- Butterweed; Smooth Ragwort; Cress Leaf Groundsel
- Button Rush
- Button Sedge
C
481 plants
- Cabbage Palmetto; Cabbage Palm
- Cahaba Blazing Star; Cahaba Torch
- Cahaba Fleabane; Cahaba Daisy Fleabane
- Cahaba Lily; Shoals Spider Lily
- Cahaba Paintbrush; Cahaba Indian Paintbrush
- Cahaba Prairie Clover
- Calico Aster; Starved Aster; Farewell Summer
- California Poppy
- California Privet
- Calloose Grape
- Campernelle Jonquil
- Camphor Tree
- Canadian Black Snakeroot; Short Style Black Snakeroot; Canadian Sanicle
- Canadian Clearweed; Green Fruit Clearweed; Coolwort
- Canadian Enchanter's Nightshade; Broadleaf Enchanter's Nightshade
- Canadian Frostweed; Long Branch Frostweed; Canadian Sunrose
- Canadian Honewort
- Canadian Lily; Meadow Lily
- Canadian Lousewort; Eastern Lousewort; Wood Betony
- Canadian Milk Vetch
- Canadian Moonseed; Common Moonseed; Yellow Parilla
- Canadian Rush
- Canadian St. John's Wort
- Canadian Violet; Canadian White Violet; Tall White Violet
- Canadian Waterweed; Broad Waterweed
- Canadian Wild Ginger
- Canadian Wood Nettle
- Canary Island Date Palm
- Cantaloupe; Honeydew Melon
- Capitate Spikerush, Canada Spikerush
- Cardinal Flower
- Carey Saxifrage
- Carey's Sedge
- Carolina Ash; Water Ash; Pop Ash
- Carolina Bishopweed
- Carolina Bog Clubmoss; Slender Clubmoss
- Carolina Bristle Mallow; Cheeses; Bristly Mallow
- Carolina Buckthorn; Indian Cherry; Carolina False Buckthorn
- Carolina Buttercup; Southern Buttercup; Marsh Buttercup
- Carolina Canary Grass; May Grass
- Carolina Clover; Wild White Clover
- Carolina Coralbeads; Carolina Snailseed; Carolina Moonseed
- Carolina Crabgrass; Fall Witch Grass
- Carolina Elephant's Foot; Leafy Elephant's Foot
- Carolina False Dandelion; Carolina Desert Chicory
- Carolina Fanwort
- Carolina Fimbry
- Carolina Fluffgrass
- Carolina Frostweed; Carolina Sunrose
- Carolina Geranium; Carolina Crane's Bill
- Carolina Grasswort
- Carolina Green and Gold
- Carolina Holly; Sand Holly
- Carolina Horse Nettle; Ball Nettle; Carolina Nightshade
- Carolina Indigo; Wild Indigo
- Carolina Jointgrass; Carolina Joint Tail Grass
- Carolina Larkspur; Prairie Larkspur; Blue Larkspur
- Carolina Laurel Cherry
- Carolina Leaf Flower
- Carolina Lily; Michaux's Lily
- Carolina Lovegrass; Tufted Lovegrass
- Carolina Milkvine; Carolina Spinypod
- Carolina Milkweed
- Carolina Mosquito Fern; Water Fern; Eastern Mosquito Fern
- Carolina Nutrush
- Carolina Phlox; Thick Leaf Phlox
- Carolina Pony's Foot
- Carolina Prairie-trefoil
- Carolina Quillwort; True Quillwort; Mountain Quillwort
- Carolina Redroot
- Carolina Rose; Wild Rose
- Carolina Sea Lavender
- Carolina Sedge
- Carolina Seedbox; Carolina Primrose Willow
- Carolina Silkgrass
- Carolina Spring Beauty
- Carolina St. John's Wort
- Carolina Thimbleweed; Prairie Anemone; Carolina Anemone
- Carolina Thistle; Spring Thistle; Soft Thistle
- Carolina Vervain; Carolina False Vervain
- Carolina Vetch; Pale Vetch; Wood Vetch
- Carolina Whitlow Grass
- Carolina Wild Petunia; Common Wild Petunia; Hairy Wild Petunia
- Carolina Willow; Coastal Plain Willow; Ward's Willow
- Carolina Woolly White; Old Plainsman
- Carolina Yellow Eyed Grass
- Carpenter's Ground Cherry
- Carpet Bugle; Bugleweed; Blue Bugle
- Carpet Burweed
- Carpet Vervain; Prostrate Vervain; Bracted Vervain
- Carpet Witch Grass
- Carry Me Seed
- Cast Iron Plant
- Castor Bean; Castor Oil Plant; Palma Christi
- Cat Tail Sedge
- Catawba Rhododendron; Catawba Rosebay; Mountain Rosebay
- Catbells
- Catbird Grape; Red Grape; Cat Grape
- Catchfly Cutgrass; Oatmeal Grass
- Catchfly Prairie Gentian
- Catesby's False Bindweed; Catesby's Bindweed
- Catesby's Trillium; Rosy Wakerobin; Bashful Trillium; Bashful Wakerobin
- Catnip; Catmint
- Ceasar Weed
- Cedar Glade Violet; Tennessee Violet; Eggleston's Violet
- Celandine Poppy; Woods Poppy
- Celery
- Centipede Grass
- Ceylon Spinach
- Chaffseed
- Chaffweed
- Chalk Maple; Pale Maple
- Chamber Bitter; Gripeweed; Peewater Leaf Flower
- Chameleon Plant
- Channell's Fringed Orchid
- Chapman's Arrowhead
- Chapman's Beakrush; Chapman's Beaksedge
- Chapman's Blazing Star; Chapman's Gayfeather
- Chapman's Bluegrass
- Chapman's Butterwort; Swamp Butterwort
- Chapman's Fluffgrass
- Chapman's Meadow Parsnip
- Chapman's Milkwort
- Chapman's Nettle Leaf Sage
- Chapman's Oak
- Chapman's Umbrella Sedge; Coastal Plain Umbrella Sedge
- Chapman's Yellow Eyed Grass
- Chattahoochee False Foxglove
- Cherokee Rose
- Cherokee Sedge
- Cherry Bark Oak; Swamp Spanish Oak
- Cherry Silverberry
- Chess; Cheat; Rye Brome
- Chevreul's Sharp Lawn-weed.
- Chick Pea
- Chickasaw Plum; Sand Plum
- Chickasaw Rose; McCartney Rose; Hedge Rose
- Chicken Spike; Gooseweed
- Chicory; Succory; Blue Sailors
- Chikenfoot Grass
- Childing Pink; Proliferous Pink
- China Berry; Carolina Mahogany; Pride of India
- China Fir; Chinese Fir
- Chinese Beauty Berry
- Chinese Bush Clover; Sericea Lespedeza
- Chinese Chestnut
- Chinese Chives
- Chinese Elm
- Chinese Firethorn
- Chinese Flame Tree; Bougainvillea Golden Rain Tree
- Chinese fringe tree
- Chinese Holly
- Chinese Jujube; Common Jujube
- Chinese Mustard; Indian Mustard; Mustard Greens
- Chinese Parasol Tree; Phoenix Tree; Japanese Varnish Tree
- Chinese Pistachio
- Chinese Privet
- Chinese Rose
- Chinese Silvergrass; Zebra Grass
- Chinese Tallow Tree; Popcorn Tree
- Chinese Violet
- Chinese Violet
- Chinese Wisteria
- Chinese Yam; Cinnamon Vine
- Chinquapin Oak; Yellow Chestnut Oak
- Chocolate Vine; Five Leaf
- Chocolate Weed
- Choctaw Spider Lily
- Christmas Berry; Carolina Matrimony Vine; Carolina Wolf Berry, Carolina Desert-thorn
- Christmas Fern; Dagger Fern
- Christmas Honeysuckle; Sweet Breath of Spring
- Chufa; Edible Nutgrass; Northern Nutsedge
- Church Mouse Three Awn; Poverty Grass
- Church's Wild Rye
- Ciliate Tick Trefoil; Hairy Small Leaf Tick Trefoil
- Cinnamon Fern
- Citron Melon
- Citron Zephyr Lily
- Citron; Buddha's Hand
- Clammy Goosefoot
- Clammy Ground Cherry
- Clammy Hedge Hyssop; Mud Hyssop
- Clammy Locust; Red Locust
- Clasping Coneflower; Clasping Leaf Coneflower
- Clasping Heliotrope; Wild Heliotrope
- Clasping Leaf Pondweed; Perfoliate Pondweed; Redhead Grass
- Clasping Leaf St. John's Wort
- Clasping Leaf Venus' Looking Glass
- Clasping Milkweed; Blunt Leaf Milkweed; Curly Milkweed
- Clasping Roundleaf Thoroughwort
- Clasping Verbena
- CLAVEL DE MUERTO
- Cleavers; Sticky Willy; Catchweed Bedstraw
- Cliff Spleenwort; Bradley's Spleenwort
- Climbing Aster
- Climbing Dogbane; American Star Jasmine
- Climbing False Buckwheat
- Climbing Fetterbush; Vine Wicky
- Climbing Fig
- Climbing Hempvine; Climbing Hempweed
- Climbing Hydrangea; Woodvamp
- Climbing Nightshade; Bittersweet Nightshade
- Close Flower Sedge; Coastal Plain Sedge
- Clubbed Begonia; Wax Begonia
- Clumped Whitetop Aster
- Clustered Beakrush; Clustered Beaksedge
- Clustered Black Snakeroot; Clustered Sanicle
- Clustered Bushmint; Musky Mint
- Clustered Dock; Sharp Dock
- Clustered Fescue; Clustered Feather Grass
- Clustered Mille Graines; Clustered Bluet
- Clustered Mountain Mint; Short Tooth Mountain Mint; Bigleaf Mountain Mint
- Clustered Poppy Mallow; Sand Poppy Mallow
- Coarse Globe Beakrush; Cymose Beakrush; Kral's Beakrush
- Coast Cock's Spur Grass; Long Awn Cock's Spur Grass; Coastal Barnyard Grass
- Coastal Beakrush; Coastal Beaksedge
- Coastal Bedstraw
- Coastal Blackroot; Dense Spike Blackroot; Wingstem
- Coastal Bristlegrass; Coastal Foxtail
- Coastal Dog Fennel; Yankee Weed
- Coastal Doghobble
- Coastal False Asphodel
- Coastal Ground Cherry
- Coastal Indigo
- Coastal Lovegrass; Meadow Lovegrass
- Coastal Medick
- Coastal Pellitory; Clustered Pellitory
- Coastal Plain Beakrush; Coastal Bog Beaksedge
- Coastal Plain Bindweed
- Coastal Plain Black Eyed Susan
- Coastal Plain Blue Eyed Grass
- Coastal Plain Crownbeard
- Coastal Plain False Foxglove
- Coastal Plain Flatsedge
- Coastal Plain Gentian; Elliott's Gentian
- Coastal Plain Honeycomb Head
- Coastal Plain Mountain Mint; Smooth Mountain Mint
- Coastal Plain Nailwort; Michaux's Whitlow Wort
- Coastal Plain Rattlebox; Pursh's Rattlebox
- Coastal Plain Spikerush
- Coastal Plain Yellow Eyed Grass
- Coastal Plain Yellowtops
- Coastal Rose Gentian; Coastal Rose Pink
- Coastal Sand Frostweed; Gulf Rockrose
- Coastal Sandbur; Field Sandspur; Coastal Sandspur
- Coastal Sea Rocket
- Coastal Sedge
- Coastal Sweet Pepperbush; Coastal White Alder; Coastal Pepperbush
- Coastal Virgin's Bower; Satin Curls
- Coatbuttons
- Cock Spur Prickly Pear; Little Prickly Pear; Dune Prickly Pear
- Cockspur Hawthorn
- Coffeeweed; Sicklepod; Java Bean
- Cogon Grass; Cotton Grass; Satin tail
- Collins's Sedge
- Colocynth; Bitter Apple
- Colombian Waxweed
- Colonial Sedge; Fibrous Root Sedge
- Colored woodsorrel
- Columbian Watermeal
- Comb Leaf Mermaidweed; Feathery Mermaidweed
- Comb's Panic Grass
- Comb's Paspalum
- Common "Indicum" Azalea
- Common Barley
- Common Black Cohosh; Early Black Cohosh; Black Bugbane
- Common Black Eyed Susan; Weedy Black Eyed Susan
- Common Blue Violet; Hooded Blue Violet; Confederate Violet
- Common Bluet; Quaker Ladies; Innocence
- Common Boneset; Common Thoroughwort
- Common Bristly Locust; Mountain Rose
- Common Burdock; Lesser Burdock
- Common Bushy Bluestem; Bushy Beardgrass; Bushy Broom Grass
- Common Buttonbush; Honey Balls; Globe Flower
- Common Camphorweed
- Common Camphorweed; Plowman's Wort; Stinkweed
- Common Canary Grass; Birdseed Grass
- Common Cat Tail; Broadleaf Cat Tail
- Common Chickweed
- Common Clasping Aster; Late Purple Aster
- Common Cocklebur; Rough Cocklebur
- Common Comfrey
- Common Corncockle; Purple Cockle; Corn Campion
- Common Cup Plant; Indian Cup; Carpenter's Square
- Common Daffodil; Trumpet Narcissus
- Common Dandelion
- Common Dawnflower; Coastal Plain Dawnflower
- Common Deerberry; Squaw Huckleberry
- Common Dittany; Stone Mint; Wild Oregano
- Common Dodder; Scaldweed
- Common Dog Fennel
- Common Dog Mustard
- Common Duckmeat; Greater Duckweed
- Common Eastern Fleabane; Lesser Daisy Fleabane; Prairie Fleabane
- Common Elderberry; American Elderberry; Black Elderberry
- Common Evening Primrose; King's Cureall
- Common Fan-Flower
- Common Fig; Edible Fig; Garden Fig
- Common Fire Weed.
- Common Flax; Cultivated Flax; Linseed
- Common Flowering Quince
- Common Fox Sedge
- Common Globe Amaranth
- Common Golden Alexanders
- Common Golden Thistle
- Common Goldentop; Common Flat Top Goldenrod; Grassleaf Goldenrod
- Common Grass Pink; Tuberous Grass Pink; Rose Wings
- Common Greenbrier; Horsebrier; Devil's Hopvine
- Common Groundnut; American Groundnut
- Common Groundsel; Old Man in the Spring
- Common Hedge Mustard
- Common Hops
- Common Horseweed; Mare's Tail; Canadian Horseweed
- Common Jack in the Pulpit; Indian Turnip
- Common Lantana; Hedge Flower; Shrub Verbena
- Common Little Bluestem; Little False Bluestem
- Common Marigold; Aztec Marigold; African Marigold
- Common Marsh Mallow; Crimson Eye Rose Mallow; Mallow Rose
- Common Milkweed
- Common Morning Glory; Purple Morning Glory; Tall Morning Glory
- Common New Jersey Tea; Red Shank; Freckle Weed
- Common Oats
- Common Panic Grass; Oldfield Witch Grass; Old Witch Grass
- Common Partridge Pea; Sleeping Plant
- Common Pawpaw; Indian Banana
- Common Pear
- Common Persimmon; American Persimmon
- Common Peruvian Daisy; Shaggy Soldier; Devil's Delight
- Common Prickly Pear; Drooping Prickly Pear
- Common Purslane Speedwell; Neckweed
- Common Purslane; Garden Purslane; Little Hogweed
- Common Ragweed; Annual Ragweed
- Common Reed
- Common Reed; Western Reed
- Common Rockcap Fern; Rock Polypody; Common Polypody
- Common Roundleaf Thoroughwort
- Common Sainfoin
- Common Self Heal; Heal All; Eurasian Self Heal;
- Common Sensitive Plant; Wild Sensitive Plant
- Common Silver Hairgrass
- Common Silverbell; Opossum Wood; Four Wingd Silverbell
- Common Sneezeweed; Fall Sneezeweed; Yellow Sneezeweed
- Common Sow Thistle
- Common spider flower; pink queen
- Common Spreading Chervil
- Common Star Grass; Eastern Yellow Star Grass; Common Goldstar
- Common Sunflower
- Common Three Seed Mercury; Common Copperleaf; Rhombic Copperleaf
- Common Three Square; Chairmaker's Rush; Three Square Club Rush; Swordgrass
- Common Timothy Grass; Cat Tail Grass
- Common Water Hyacinth
- Common Water Primrose; Six Petal Primrose Willow; Uruguay Seedbox
- Common Wax Myrtle; Southern Bayberry; Candleberry
- Common White Snakeroot; Common Milk Poison
- Common Wild Quinine; American Feverfew
- Common Wild Yam
- Common Wingstem; Yellow Ironweed
- Common Winter Cress; Garden Yellow Rocket; Bitter Winter Cress
- Common Winterberry; Black Alder; Fever Bush
- Common Wormwood; Common Mugwort; Felon Herb
- Common Yarrow; Thousand Leaf; Milfoil
- Common Yellow Wood Sorrel; Upright Yellow Wood Sorrel
- Compact Dodder; Love Vine
- Compact Grape Hyacinth; Common Grape Hyacinth; Graveyard Hyacinth
- Compass Plant; Pilot Weed
- Composite Leaf Rosinweed
- Cone Cup Spikerush; Long Tubercle Spikerush
- Confederate Daisy
- Confederate Huckleberry; Dwarf Dangleberry; Small Dangleberry
- Confederate Jasmine
- Confederate Rose
- Coon's Tail; Common Hornwort
- Copeland's Clubmoss
- Copper Iris; Red Iris; Red Flag
- Coppery St. John's Wort
- Coral Bean; Cardinal Spear; Red Cardinal
- Coral Greenbrier; Red Bead Greenbrier; Walter's Greenbrier
- Coralberry; Indian Current
- Corkwood; Water Toothleaf
- Corn Buttercup; Corn Crowfoot; Hungerweed
- Corn Chamomile; Scentless Chamomile; Field Chamomile
- Corn Daisy; Corn Marigold; Corn Chrysanthemum
- Corn Gromwell; Field Gromwell
- Corn mustard
- Corn Poppy; Field Poppy; Red Poppy
- Corn Speedwell; Wall Speedwell
- Corn Spurry
- Corn; Maize
- Cornel Leaf Whitetop; Appalachian Flat Top Aster
- Coulter's Woolwort
- Cow Cockle; Cow Herb
- Cranefly Orchid; Crippled Cranefly
- Crape Myrtle
- Craven Oak
- Crawe's Sedge
- Crawford's Ragwort
- Cream Color Avens; Pale Avens; Cream Avens
- Cream Narcissus; Bunch Flower Daffodil
- Cream Tick Trefoil; White Tick Trefoil
- Creeping Bluet; Roundleaf Bluet; Fairy Footprints
- Creeping Burhead
- Creeping Bush Clover; Smooth Trailing Lespedeza
- Creeping Buttercup; Meg many Feet
- Creeping Cucumber; Melonette
- Creeping Dayflower; Spreading Dayflower
- Creeping Eryngo; Spreading Eryngo; Creeping Coyote Thistle
- Creeping Frogfruit; Turkey Tangle; Capeweed
- Creeping Jenny; Creeping Charlie; Moneywort
- Creeping Lady's Sorrel; Creeping Wood Sorrel; Creeping Yellow Wood Sorrel
- Creeping Lily Turf
- Creeping Little Bluestem
- Creeping Lovegrass
- Creeping Manna Grass
- Creeping Molasses Grass
- Creeping Rush
- Creeping Seedbox; Creeping Primrose Willow
- Creeping Spikerush
- Creeping Spotflower; Opposite Leaf Spotflower
- Creeping Spurge; Matted Sandmat; Matted Broomspurge
- Creeping Yellowcress
- Crested Anoda; Spurred Anoda; Violettas
- Crested Coral Root; Brunetta
- Crested Goosefoot; Crested Wormseed
- Crested Sedge
- Crested Yellow Orchid; Orange Crest Orchid; Crested Fringed Orchid
- Cretan Brake; Table Fern
- Crimson Clover
- Crooked Stem American Aster
- Croomia
- Crossed Leaf Heath
- Crossvine; Quartervine
- Crow Poison; Black Death Camas
- Crow Poison; Death Camas
- Crowfoot Grass; Egyptian Grass
- Crown Daisy; Garland Chrysanthemum
- Crowned Beggarticks; Northern Tickseed Sunflower
- Cruise's Goldenaster
- Cuban Bulrush
- Cuban Copperleaf
- Cuban Jute; Arrowleaf Sida
- Cucumber Leaf Sunflower
- Cucumber Magnolia; Cucumber Tree; Yellow Magnolia
- Cultivated Apple; Common Apple
- Cultivated Rye
- Culver's Root; Bowman's Root; Culver's Physic
- Cumberland Azalea; Baker's Flame Azalea
- Cumberland Rosinweed
- Cumberland Sand Reed; Cumberland Sandgrass
- Cumberland Sedge
- Cumberland Wood Mint; Smooth Wood Mint; Cumberland Pagoda Plant
- Cupseed; Lyonia Vine
- Curly Dock; Yellow Dock
- Curly Plumeless Thistle; Welted Thistle
- Curly Pondweed; Curly Muckweed; Curled Pondweed
- Cursed Buttercup; Cursed Crowfoot; Celery Leaf Buttercup
- Curtis' Goldenrod
- Curtis's Crowngrass
- Curtis's Spurge
- Curtiss' Beakrush; Curtiss' Beaksedge
- Curtiss' Evening Primrose
- Curtiss' Milkwort; Appalachian Milkwort
- Curtiss' Yellow Eyed Grass
- Curtiss's Dropseed; Pineland Dropseed
- Curtiss's Three Awn
- Curve Leaf Yucca; Soft Leaf Yucca
- Curved Sickle Grass; Hard Grass; Thin Tail
- Cut Leaf Spleenwort
- Cuthbert's Onion; Striped Onion
- Cutleaf Beautiful Hawthorn
- Cutleaf Coneflower; Green Head Coneflower; Golden Glow
- Cutleaf Evening Primrose
- Cutleaf Geranium; Cutleaf Crane's Bill
- Cutleaf Goosefoot; Scented Goosefoot
- Cutleaf Grape Fern; Dissected Grape Fern; Lace Frond Grape Fern
- Cutleaf Ground Cherry
- Cutleaf Toothwort; Three Leaf Toothwort
- Cutleaf Water Milfoil; Alternate Leaf Water Milfoil
- Cypress Knee Sedge; Epiphytic Sedge
- Cypress Spurge; Graveyard Spurge
- Cypress Swamp Sedge; Joor's Sedge; Hummock Sedge
- Cypress Vine; Star Glory; Hummingbird Vine
D
136 plants
- Dahlberg Daisy; Golden Fleece; Bristle Leaf Prickly Leaf
- Dahoon Holly; Cassena
- Dakota Vervain; Dakota Mock Vervain
- Dalen's Gladiolus
- Dallis Grass; Golden Crowngrass
- Damask Rose
- Dame's Rocket; Mother of the Evening
- Dark Green Bulrush; Dusky Bulrush; Black Bulrush
- Dark Green Sedge
- Darlington's Oak; Sand Laurel Oak
- Darnel Ryegrass; Darnel; Poison Darnel
- Darrow's Blueberry
- Deceiving Trillium; Deceptive Trillium; Chattahoochee River Wakerobin
- Deceptive Marbleseed; Alabama Marbleseed
- Deciduous Holly; Possum Haw
- Deep Root Ground Pine; Blue Ground Cedar; Deep Root Clubmoss
- Deepwoods Horsebalm; Stoneroot
- Deer tongue Witch Grass; Hispid Panic Grass; Deer Tongue Rosette Grass
- Dehiscent Witch Grass
- Delicate everlasting
- Delta Arrowhead; Delta Duck Potato
- Delta Bulrush; Delta Club Rush
- Dense Blazing Star; Dense Gayfeather; Florist's Gayfeather
- Dense Flower Smartweed; Smooth Knotweed
- Dense Panic Grass
- Dense Tuft Hairsedge; Common Hairsedge
- Deptford Pink
- Desert Horse Purslane
- Devil's Beggarticks; Devil's Pitchfork; Stick Tight
- Devil's Horsewhip
- Devil's Walkingstick; Hercules Club; Prickly Ash
- Diamond Bur Bark; Bur Bush; Chinese Bur
- Diamond Flowers; Prairie Bluet; Narrowleaf Bluet
- Diamond's Stonecrop
- Diffuse Branched Bluet; Slender Leaf Bluet
- Diffuse Flower Sedge; White Edge Sedge
- Dill; Dillweed
- Dillenius' Tick Trefoil
- Dimpled Trout Lily; Dimpled Fawn Lily
- Disk Water Hyssop; Midwestern Water Hyssop; Roundleaf Water Hyssop
- Dissected Henbit
- Dissected Toothwort; Finely Lobed Toothwort
- Ditch Fimbry
- Ditch Stonecrop
- Divine Nightshade
- Dixie Germander; Nash's Germander
- Dixie Goldenrod
- Dixie Iris
- Dixie Sandwort; Dixie Stitchwort
- Dixie Tick Trefoil
- Dixie Whitetop Aster; Twisted Whitetop Aster
- Dixie Wood Fern
- Dobbs' Lousewort
- Dog Rose
- Dogbane St. John's Wort
- Dollar Leaf; Dollar Weed; Dollar Leaf Snout Bean
- Dominican Signalgrass; Dominican Liverseed Grass
- Dotted Skullcap
- Dotted Smartweed
- Double Form Snout Bean
- Dove's Foot Geranium; Dove Foot Crane's Bill
- Downy Agrimony; Soft Agrimony; Soft Groovebur
- Downy Arrow Wood; Rafinesque's Viburnum
- Downy Carrionflower
- Downy Chess; Downy Brome; Downy Cheat
- Downy False Foxglove; Downy Oak Leach; Downy Yellow False Foxglove
- Downy Goldenrod
- Downy Green Sedge; Ribbed Sedge
- Downy Hawthorn
- Downy Lobelia
- Downy Maiden Fern; Downy Shield Fern
- Downy Milk Pea
- Downy Oatgrass; Silky Oatgrass
- Downy Phlox
- Downy Rattlesnake Plantain; Downy Rattlesnake Orchid
- Downy Serviceberry; Downy Juneberry
- Downy Sweet Pepperbush
- Downy Wild Rye; Hairy Wild Rye
- Downy Wood Mint; Downy Pagoda Plant; Ohio Horsemint
- Downy Yellow Violet; Hairy Yellow Forest Violet
- Drooping Bulrush; Lined Bulrush
- Drooping Forked Fern
- Drooping Gooseberry; Granite Gooseberry
- Drooping Sedge
- Drooping Star of Bethlehem
- Drug Fumitory, Earthsmoke
- Drumheads; Cross Leaf Milkwort; Purple Candyroot
- Drummond's Aster; Hairy Heartleaf Aster
- Drummond's False Pennyroyal
- Drummond's Maple; Swamp Red Maple
- Drummond's Sedge
- Drummond's skullcap
- Drummond's St. John's Wort; Nits and Lice
- Drummond's Yellow Eyed Grass
- Duck River Bladderpod
- Dudley's Rush
- Dune Camphorweed
- Dune Finger Grass; Pinewoods Finger Grass; Rock Finger Grass
- Dune Greenbrier; Ear Leaf Greenbrier; Sand Bamboo
- Dune Ground Cherry; Walter's Ground Cherry
- Dune Marsh Elder; Seacoast Marsh Elder
- Dune Nightshade; Glowing Nightshade
- Dune Wormseed
- Dusty Downy Goldenrod
- Dutchman's Breeches
- Dwarf Bayberry
- Dwarf Bristle Fern; Dwarf Filmy Fern; Peter's Bristle Fern
- Dwarf Bristly Locust; Elliott's Locust
- Dwarf Chinquapin Oak; Scrub Chestnut Oak
- Dwarf Cinquefoil; Running Five Fingers; Canadian Cinquefoil
- Dwarf Crabgrass
- Dwarf Crested Iris; Crested Dwarf Iris
- Dwarf Flowering Almond
- Dwarf Glasswort; Dwarf Saltwort
- Dwarf Greenbrier; Hairy Greenbrier; Sarsaparilla Vine
- Dwarf Hackberry; Georgia Hackberry
- Dwarf Hawthorn
- Dwarf Horse Nettle; Hairy Carolina Horse Nettle
- Dwarf Horseweed
- Dwarf Larkspur
- Dwarf Live Oak
- Dwarf Mallow; Dwarf Cheeseweed
- Dwarf Milkwort; Candyroot; Low Bachelor's Button
- Dwarf Palmetto; Swamp Palmetto; Bush Palmetto
- Dwarf Plantain
- Dwarf Rhododendron; Appalachian Rhododendron; Dotted Rhododendron
- Dwarf Serviceberry; Running Serviceberry; Running Juneberry
- Dwarf Skullcap; Small Skullcap
- Dwarf Snapdragon; Lesser Toadflax; Small Snapdragon
- Dwarf Spikerush; Colorado Spikerush
- Dwarf St. John's Wort; Slender St. John's Wort
- Dwarf Stinging Nettle; Heartleaf Nettle
- Dwarf Sundew
- Dwarf Umbrella Sedge
- Dwarf Water Clover; Small Water Clover; Small Clover Fern
- Dwarf Witch Grass
E
143 plants
- Ear Leaf False Foxglove; Eared False Foxglove
- Eared Coneflower; Alabama Coneflower; Swamp Black Eyed Susan
- Eared Goldenrod; Clasping Leaf Goldenrod
- Eared Tickseed; Running Tickseed; Lobed Tickseed
- Early Bluegrass; Toothed Bluegrass
- Early Crowngrass
- Early Goldenrod
- Early Lowbush Blueberry; Hillside Blueberry; Dryland Blueberry
- Early Meadow Rue
- Early Saxifrage
- Early St. John's Wort; Naked St. John's Wort; Streambank St. John's Wort
- Early Whitetop Fleabane
- Early Wild Rye
- Early Winter Cress; Early Yellow Rocket
- Earthsmoke; Few Flower Fumitory
- Eastern Bastard Toadflax
- Eastern Beebalm; Bradbury's Beebalm
- Eastern Bergamot
- Eastern Black Foot Quillwort
- Eastern Black Nightshade; West Indian Nightshade
- Eastern Blue Eyed Grass; Atlantic Blue Eyed Grass
- Eastern Blue Phlox; Wild Blue Phlox; Timber Phlox
- Eastern Bluestars; Wide Leaf Bluestars
- Eastern Bottlebrush Grass; Common Bottlebrush Grass
- Eastern Bracken Fern; Pasture Brake
- Eastern Coneflower; Brilliant Coneflower
- Eastern Cottonwood
- Eastern Daisy Fleabane; Annual Fleabane
- Eastern Doll's Daisy; White Doll's Daisy; False Aster
- Eastern False Aloe; Virginia Agave; Rattlesnake Master
- Eastern False Boneset
- Eastern False Rue Anemone
- Eastern Featherbells; Featherfleece
- Eastern Fox Sedge; Triangular Sedge
- Eastern Gamma Grass; Eastern Mock Grama
- Eastern Goat's Beard; Bride's Feathers
- Eastern Grasswort
- Eastern Gray Goldenrod; Oldfield Goldenrod
- Eastern Green Violet
- Eastern Greeneyes; Soft Greeneyes
- Eastern Gum Bully; Eastern Gum Bumelia; Woolly Buckthorn
- Eastern Hawthorn; Fanleaf Hawthorn
- Eastern Hemlock; Canadian Hemlock
- Eastern Hop Hornbeam; Ironwood
- Eastern Horsemint; Spotted Beebalm; Dotted Horsemint
- Eastern Indian Paintbrush; Scarlet Indian Paintbrush
- Eastern Leatherwood; Wicopee; Rope Bark
- Eastern Longleaf Bluet
- Eastern Marsh Fern
- Eastern Mayhaw; May Hawthorn
- Eastern Milk Pea
- Eastern Narrowleaf Sedge
- Eastern Needlegrass; Black Oatgrass; Black Seed Speargrass
- Eastern Oxeye; Eastern Sunflower Everlasting; False Sunflower
- Eastern Poison Ivy
- Eastern Prickly Gooseberry; Dogberry; Wild Gooseberry
- Eastern Prickly-Pear
- Eastern Purple Coneflower
- Eastern Rabbit Tobacco; Blunt Leaf Rabbit Tobacco; Sweet Everlasting
- Eastern Red Cedar
- Eastern Redbud; Judas Tree
- Eastern Roughleaf Dogwood; Tough Leaf Dogwood
- Eastern Saltmarsh Aster; Seaside Aster
- Eastern Sampson's Snakeroot
- Eastern Sensitive Brier; Little Leaf Mimosa
- Eastern Serviceberry; Canadian Serviceberry; Thicket Shadbush
- Eastern Shooting Star; Pride of Ohio
- Eastern Showy Aster; Purple Wood Aster
- Eastern Silvery Aster
- Eastern Smooth Beardtongue; Eastern Beardtongue
- Eastern Star Sedge
- Eastern Swamp Privet
- Eastern Sweetshrub; Hairy Sweetshrub; Carolina Allspice
- Eastern Teaberry; Wintergreen
- Eastern Turkeybeard; Bear Grass; Mountain Asphodel
- Eastern White Pine
- Eastern Whorled Milkweed
- Eastern Woodland Sedge; Common Wood Sedge
- Eastern Yampah
- Eaton's Ladies' Tresses
- Eaton's Witch Grass; Eaton's Rosette Grass
- Ebony Spleenwort; Brown Stem Spleenwort
- Egg Leaf Skullcap; Heartleaf Skullcap
- Eggert's Sunflower
- Elegant Blazing Star; Pink Scale Gayfeather
- Elegant Cudweed; Gray Everlasting
- Elegant Hairgrass; Annual Silver Hairgrass
- Elegant Zinnia; Garden Zinnia; Youth and Old Age
- Elephant Grass; Napier Grass
- Elf Orpine; Small's Stonecrop
- Elliott's Aster; Marsh Aster; Southern Swamp Aster
- Elliott's Beakrush; Elliott's Beaksedge
- Elliott's Bentgrass; Southern Bentgrass; Elliott's Bent
- Elliott's Blueberry; Mayberry
- Elliott's Bluestem; Elliott's Broom Sedge
- Elliott's Fanpetals; Coastal Plain Sida
- Elliott's Hairsedge; Fringed Hairsedge
- Elliott's Lovegrass
- Elliott's Rush; Bog Rush
- Elliott's Sedge
- Elliott's Yellow Eyed Grass
- Elm Leaf Goldenrod
- Engelmann's Arrowhead; Acid Water Arrowhead
- Engelmann's Quillwort
- Engelmann's Spikerush
- Engler's Bogbuttons
- English Bedstraw
- English Ivy; Common Ivy
- English Plantain; Rib Grass; Buckhorn Plantain
- English Ryegrass; Perennial Ryegrass
- Entire Leaf False Foxglove; Appalachian Oak Leach; Entire Leaf Yellow False Foxglove
- Entire Leaf Rosinweed
- Entire Leaf Western Daisy; Eastern Western Daisy
- Entire Leaved Sandhill Hawthorn
- Epiphytic Flatsedge
- Erect Goldenrod; Slender Goldenrod
- Erect Knotweed
- Erect Leaf Witch Grass; Erect Leaf Rosette Grass
- Erect Milk Pea
- Erect Prickly Pear
- Erect Snout Bean ; Twining Snout Bean
- Erect Spiderling; Erect Tar Vine
- Ernest's Spiderwort
- Ethiopian Rattlebox
- Eurasian Water Milfoil
- European Black Nightshade
- European Chickweed; European Mouse Ear Chickweed; Dwarf Mouse Ear Chickweed
- European Climbing Buckwheat; Corpse Black Bindweed; Corpse Bindweed
- European Cornsalad; Lamb's Lettuce
- European Field Pansy; Field Violet
- European Heliotrope
- European Lily of the Valley
- European Privet; Common Privet
- European Sea Rocket
- European St. John's Wort; Common St. John's Wort
- European Stinging Nettle; Great Nettle
- European Vervain; Juno's Tears; Herb of the Cross
- Evening Rain Lily; Brazos Rain Lily
- Evergreen Bayberry; Pocosin Bayberry
- Evergreen Quillwort; Wintergreen Quillwort
- Evergreen Wood Fern; Fancy Fern
- Everlasting Pea; Perennial Sweet Pea; Everlasting Peavine
- Eyebane; Nodding Spurge
F
185 plants
- Fairy's Wand; Devil's Bit
- Fall Panic Grass; Spreading Witch Grass
- False Apple Mint; Roundleaf Mint
- False Corn Flag; Byzantine Gladiolus
- False Fennel; Limesink Dog Fennel
- False Flowering Spurge; Southeastern Flowering Spurge
- False Hop Sedge
- False Loosestrife; Many Fruit Primrose Willow; Top Pod Water Primrose
- False Mallow
- False Moneywort; Alyce Clover
- False Nettle
- False Pennyroyal; Fluxweed; Glade Bluecurls
- False Rosemary; Gray Rosemary
- False Spotted St. John's Wort; Large Spotted St. John's Wort
- False Teeth Skullcap
- Fascicled Beakrush; Fascicled Beaksedge
- Feather Bristle Beakrush; Feather Bristle Beaksedge
- Feather Lovegrass
- Feather Stem Clubmoss; Creeping Clubmoss; Prostrate Bog Clubmoss
- Feather Windmill Grass; Feather Fingergrass
- Feathered Pink; Garden Pink
- Fern Flatsedge
- Fern Leaf Scorpion Weed; Fern Leaf Phacelia; Forest Phacelia
- Fern Pondweed
- Fernald's Beakrush; Fernald's Beaksedge
- Fernald's Tick Trefoil
- Ferngrass; Stiffgrass
- Ferriss' Scouring Rush
- Fescue Sedge
- Feverfew
- Few Flower Beakrush; Few Flower Beaksedge
- Few Flower Golden Aster; Coastal Plain Silkgrass
- Few Flower Nutrush; Papillose Nutrush
- Few Flower Tick Trefoil
- Few Flower Witch Grass
- Few Fruit Sedge; Richwoods Sedge
- Fiddle Dock
- Fiddle Leaf Tobacco
- Field Bindweed; Creeping Jenny
- Field Brome
- Field Copperleaf
- Field Crowngrass; Smooth Crowngrass
- Field Dodder; Prairie Dodder
- Field Eryngo
- Field Garlic; Crow Garlic
- Field Gladiolus
- Field Ground Cherry
- Field Hedge Parsley; Spreading Hedge Parsley; Spreading Bur Parsley
- Field Horsetail
- Field Madder
- Field Pansy
- Field Pennycress
- Field Pepperwort; Cow Cress; Field Peppergrass
- Field Snake Cotton; Florida Cottonseed; Common Cottonweed
- Field Thistle; Two Color Thistle
- Fig Buttercup
- Finger Dogshade
- Finger False Dragonhead; Finger Lion's Heart
- Finzel's Wild Ginger
- Fire on the Mountain; Summer Poinsettia; Painted Poinsettia
- Fire Pink
- Firespike
- Firetail
- Firewheel; Common Blanket Flower
- Five Angled Dodder; Bush Clover Dodder
- Five Lobe Cucumber; Five Lobe Melonleaf
- Five Spot
- Five Stamen Chickweed; Five Stamen Mouse Ear Chickweed; Little Mouse Ear Chickweed
- Fived-Leaved Jack-in-the-Pulpit
- Flaccid Nut Rush
- Flame Azalea
- Flame Flower; Hummingbird Flower
- Flat Fruit Beakrush; Flat Fruit Beaksedge
- Flat Spike Sedge; Single Plane Sedge
- Flat Stem Bluegrass; English Bluegrass
- Flat Stem Spikerush; Flattened Spikerush
- Flat Top Mille Graines
- Flatrock Onion; Little River Canyon Onion; Ownbey's Onion
- Flatrock Panic Grass; Swallen's Panic Grass
- Flatrock Sundrops
- Flattened Pipewort
- Flattened Sedge; Flat Fruit Sedge
- Flatwoods St. John's Wort
- Flaxleaf Aster; Stiff Leaf Aster; Bristle Leaf Aster
- Flaxleaf False Foxglove
- Flaxleaf Fanpetals
- Flaxleaf Seedbox; Southeastern Primrose Willow
- Fleshy Fruit Gladecress
- Floating Manna Grass; Eastern Manna Grass
- Floating Pennywort; Floating Water Pennywort; Swamp Water Pennywort
- Floating Primrose Willow; Creeping Water Primrose; Floating Seedbox
- Florida Anise Tree; Florida Star Anise; Anise Stinkbush
- Florida Azalea; Orange Azalea; Florida Flame Azalea
- Florida bellflower
- Florida Bellwort
- Florida Bladderwort
- Florida Bluehearts; Savannah Bluehearts
- Florida Bully; Smooth Bumelia
- Florida Crowngrass
- Florida Dock
- Florida Finger Grass; Two Spike Finger Grass
- Florida Grape
- Florida Hammock Sandmat
- Florida Hawthorn
- Florida Hedge Hyssop
- Florida Hedge Nettle; Florida Betony; Chinese Artichoke
- Florida Hoary Pea
- Florida Hobblebush; Carolina Doghobble; Pipe Plant
- Florida Horsebalm
- Florida Ladies Tresses
- Florida Lantana
- Florida Lobelia
- Florida Maple
- Florida Milk Pea
- Florida Milkvetch
- Florida Peanut Grass; Perennial Goober Grass; Blue Maiden Cane
- Florida Pellitory
- Florida Phlox
- Florida Pineland Spurge
- Florida Rosemary; Sandhill Rosemary; Sand Heath
- Florida Sedge
- Florida Soapberry
- Florida Sunflower
- Florida Tassel Flower
- Florida Thoroughwort; Anomalous Thoroughwort
- Florida Tick Trefoil
- Florida Water Nymph
- Florida Willow
- Florida Wood Fern; Southern Wood Fern; Louisiana Wood Fern
- Florida Woodland Sedge
- FLORIDA YAM
- Florida Yellow Eyed Grass
- Florida Yellow Flax
- Flower of an Hour; Venice Mallow
- Flowering Dogwood; Common Dogwood
- Flowering Spurge; Tramp's Spurge
- Fly Poison
- Flyr's False Boneset; Flyr's Nemesis; Flyr's Brickell Bush
- Fold Ear Lobelia
- Fool's Parsley
- Forest Bedstraw; Licorice Bedstraw; Woods Bedstraw
- Forest Sunflower; Thin Leaf Sunflower
- Forked Bluecurls; Common Bluecurls; Bastard Pennyroyal
- Forked Catchfly
- Forked Fimbry; Tall Fimbry
- Forked Rush
- Forked Witch Grass; Forked Panic Grass
- Formosan Firethorn
- Four Angle Rose Gentian
- Four Leaf Manyseed; Four Leaf Allseed
- Four Leaf Milkweed
- Four spike finger grass
- Four-petal St. Peter's-wort
- Fourleaf Vetch
- Fourspike Heliotrope
- Fowl Manna Grass; Nerved Manna Grass
- Fox Grape
- Foxglove Beardtongue; Tall White Beardtongue
- Foxtail Clubmoss; Foxtail Bog Clubmoss
- Foxtail Copperleaf
- Fragrant Beakrush; Fragrant Beaksedge
- Fragrant Bedstraw; Sweet Scented Bedstraw
- Fragrant False Garlic; Honeybells
- Fragrant Ladies' Tresses; Marsh Ladies' Tresses
- Fragrant Spikesedge; Whitehead Sedge
- Fragrant Sumac; Squawbush; Sweet Scented Sumac
- Frank's Sedge
- Fraser's Loosestrife; Fraser's Yellow Loosestrife
- Fraser's Magnolia; Mountain Magnolia; Ear Leaf Umbrella Tree
- Freeman's Blazing Star; Freeman's Gayfeather
- French Marigold
- French Oatgrass
- French's Shooting Star
- Fringed Beakrush; Fringed Beaksedge
- Fringed Loosestrife; Fringed Yellow Loosestrife
- Fringed Meadow Beauty; Ciliate Meadow Beauty; Short Stem Meadow Beauty
- Fringed Nutrush; Hairy Nutrush
- Fringed Sedge
- Fringed spider flower.
- Fringed Star Grass; Fringed Yellow Star Grass
- Fringed Yellow Eyed Grass; Giant Yellow Eyed Grass
- Frost Aster; White Oldfield Aster
- Frost Grape; Chicken Grape; Winter Grape
- Frosted Hawthorn; Frosty Fruit Haw
- Fruitful Allegheny Hawthorn
G
193 plants
- Gaping Panic Grass
- Garden Balsam
- Garden Bird's Foot Trefoil; Eggs and Bacon
- Garden Buckwheat
- Garden Canna
- Garden Chrysanthemum
- Garden Comfrey; Common Hound's Tongue; Gypsy Flower
- Garden Cornflower; Bachelor's Buttons
- Garden Cosmos; Common Cosmos; Mexican Aster
- Garden Cucumber
- Garden Four O'clock; Marvel of Peru; Beauty of the Night
- Garden Gladiolus
- Garden Impatiens; Busy Lizzy; Sultana
- Garden Iris; German Iris; Fleur de Lys
- Garden Pea; English Pea
- Garden Petunia
- Garden Radish
- Garden Snapdragon
- Garden Stonecrop; Garden Orpine; Live Forever
- Garden Tomato
- Garden Tulip
- Garden Vervain; Garden Verbena
- Garden Vetch
- Gardenia
- Garlic Mustard; Hedge Garlic; Poorman's Mustard
- Gattinger's Panic Grass
- Gattinger's Prairie Clover; Purple Tassels
- Gentian Pinkroot; Purple Flower Pinkroot
- Georgia Aster
- Georgia Bully; Thorne's Bumelia; Swamp Buckthorn
- Georgia Bulrush
- Georgia False Foxglove
- Georgia Frostweed; Georgia Sunrose
- Georgia Holly; Chapman's Holly; Long Stalk Holly
- Georgia Indian Plantain; Groove Stem Indian Plantain
- Georgia Lobelia
- Georgia Milkwort
- Georgia Oak; Stone Mountain Oak
- Georgia Rockcress
- Georgia Rush
- Georgia Scorpion Weed; Georgia Phacelia; Outcrop Phacelia
- Georgia Skullcap
- Georgia Tickseed; Pink Coreopsis; Swamp Coreopsis
- Georgia Wild Basil; Georgia Calamint; Georgia Basil
- German Chamomile; Wild Chamomile; Scented Mayweed
- Gholson's Sedge
- Giant Alumroot
- Giant Arrowhead; Aztec Arrowhead; Ruby Eye Arrowhead
- Giant Blue Iris
- Giant Bristlegrass; Saltmarsh Foxtail; Giant Foxtail
- Giant Bulrush; California Club Rush; Southern Bulrush
- Giant Cane; River Cane; Large Cane
- Giant Eelgrass; Large Eelgrass
- Giant Goldenrod
- Giant Green Foxtail
- Giant Ironweed; Queen of the Meadow
- Giant Orchid; Spiked Medusa; Crestless Plume Orchid
- Giant Parramatta Grass
- Giant Plume Grass; Sugarcane Plume Grass
- Giant Ragweed; Great Ragweed
- Giant Ratstail Grass
- Giant Reed
- Giant Sedge
- Giant Sunflower; Tall Sunflower
- Giant Timber Bamboo
- Gilpin's Hybrid Pitcher Plant
- Giradol
- Glade Beardtongue; Eastern White Flower Beardtongue
- Glade Fern; Narrow Leaved Spleenwort
- Glade Fimbry; Flatrock Fimbry
- Glade Larkspur
- Glade Lobelia
- Glade Orange Coneflower
- Glade Privet; Southern Privet; Upland Privet
- Glade St. John's Wort; Straggling St. John's Wort
- Glade Wild Indigo; Blue Wild Indigo; Blue False Indigo
- Glade Wild Quinine; Eared Feverfew
- Glades Spikerush; Cedar Glade Spikerush
- Glandular Dodder
- Glenwood Grass; Indian Cupscale
- Globe Beakrush
- Globe Flatsedge
- Globe Fruit Seedbox; Globe Fruit Primrose Willow
- Gloriosa Lily
- Glossy Abelia; Large Flower Abelia
- Glossy Privet; Waxy Privet; Broadleaf Privet
- Glossy Seed Star Grass; Glossy Seed Yellow Star Grass
- Godfrey's Golden Aster
- Godfrey's Sandwort; Godfrey's Stitchwort
- Godfrey's Sedge
- Golden Bamboo; Fishpole Bamboo
- Golden Carpet; Mossy Stonecrop; Wallpepper
- Golden Cat tail Sedge
- Golden Club; Bog Torch; Never Wet
- Golden Colic Root
- Golden Crownbeard; Skunk Daisy
- Golden Flame Honeysuckle
- Golden Hedge Hyssop; Yellow Hedge Hyssop; Golden Pert
- Golden Mane Tickseed; Texas Tickseed
- Golden Ragwort; Heartleaf Ragwort; Golden Groundsel
- Golden Rain Tree
- Golden St. John's Wort; Cedar Glade St. John's Wort
- Goldencrest
- Goldenseal
- Goldfoot Fern; Golden Polypody; Cabbage Palm Fern
- Gopher Apple; Ground Oak
- Gopher Tail Lovegrass
- Gorge Filmy Fern; Taylor's Filmy Fern
- Graceful Sedge
- Grainfield Spurge
- Granite Flatsedge
- Granite Loving Quillwort
- Granite Pool Sprite; Snorkelwort; Little Amphianthus
- Granite Stonecrop; Puck's Orpine
- Grape Ivy; Marine Ivy; Sorrel Vine
- Grass Fern
- Grass Like Fimbry; Globe Fimbry
- Grassleaf Arrowhead; Grassy Arrowhead; Lance Leaf Arrowhead
- Grassleaf Blazing Star; Grassleaf Gayfeather
- Grassleaf Ladies' Tresses; Green Vein Ladies' Tresses
- Grassleaf Lettuce; Coastal Plain Lettuce
- Grassleaf Loosestrife; Grassleaf Yellow Loosestrife
- Grassleaf Mud Plantain; Water Star Grass
- Grassleaf Rush
- Grassleaf Spurge
- Grave's Spleenwort
- Gray Chickweed; Gray Mouse Ear Chickweed
- Gray Field Speedwell; Dwarf Bird Eye Speedwell
- Gray Green Wood Sorrel; Dillen's Wood Sorrel; Sour Grass
- Gray SheOak; Suckering Australian Pine
- Gray Vervain
- Gray's Beakrush; Gray's Beaksedge
- Gray's Flatsedge
- Gray's Sedge
- Great Blue Lobelia
- Great Indian Plantain
- Great Plains Ladies' Tresses; Prairie Ladies' Tresses
- Great Plantain; Common Plantain; Whiteman's Foot
- Great Waterleaf; Appendage Waterleaf; Notch Bract Waterleaf
- Great Wood Sorrel; Great Yellow Wood Sorrel
- Greater Bladder Sedge
- Greater Bladderwort
- Greater Burdock
- Greater Florida Spurge
- Greater Marsh St. John's Wort; Walter's Marsh St. John's Wort
- Greater Periwinkle; Bigleaf Periwinkle
- Greater Poverty Rush
- Greater Straw Sedge
- Greater Swinecress
- Greater Tickseed; Woodland Tickseed
- Greater Water Starwort
- Green Adder's Mouth
- Green Arrow Arum; Tuckahoe
- Green Ash; Red Ash
- Green Bristlegrass; Green Foxtail
- Green Carpetweed; Indian Chickweed
- Green Dragon
- Green Field Speedwell
- Green Flatsedge
- Green Flower Milkweed; Green Comet Milkweed
- Green Fly Orchid
- Green Fringed Orchid; Ragged Orchid; Ragged Fringed Orchid
- Green Gerardia
- Green Hawthorn; Tree Haw
- Green Milkweed; Green Antelope Horn
- Green Pitcher Plant; Mountain Pitcher Plant
- Green Silkyscale
- Green Stem Forsythia; Golden Bells
- Green White Sedge
- Grooved Yellow Flax
- Ground Ivy; Gill over the Ground
- Ground Juniper; Mountain Juniper; Creeping Common Juniper
- Groundsel Tree; Consumption Weed; Sea Myrtle
- Guadalupe Water Nymph; Common Water Nymph; Southern Niad
- Guinea Grass; Guinea Liverseed Grass
- Guinea Millet; Deflexed Signalgrass
- Gulf Bluestem; Gulf False Bluestem
- Gulf Coast Lateral Bulrush
- Gulf Coast Noseburn; Small's Noseburn
- Gulf Coast Red Pitcher Plant
- Gulf Coast Sea Rocket
- Gulf Coast Smooth Aster
- Gulf Coast Spikerush
- Gulf Coast Swallow Wort
- Gulf cockspur
- Gulf Cordgrass
- Gulf Leaf Flower
- Gulf Phlox
- Gulf Sebastian Bush
- Gulf Spikemoss; Louisiana Spikemoss
- Gulf Swampweed
- Gulf Vervain
- Guyandotte Beauty; Wyandotte Beauty
H
160 plants
- Hackberry Leaf Goldenrod
- Hairless Witch Grass
- Hairy Alumroot; Rock Alumroot; Crag Jangle
- Hairy Angelica
- Hairy Bedstraw
- Hairy Bittercress; Common Bittercress
- Hairy Blazing Star; Hairy Gayfeather
- Hairy Bush Clover
- Hairy Buttercup; Sardinian Buttercup
- Hairy Cat's Ear; Spotted Cat's Ear
- Hairy Chaffhead
- Hairy Clustervine
- Hairy Crabweed; Mulberry Weed; Foolish Weed
- Hairy Crimson Bluestem
- Hairy Evening Primrose
- Hairy Fimbry
- Hairy Flower Spiderwort
- Hairy Forked Nailwort; Common Forked Whitlow Wort; Hairy Forked Chickweed
- Hairy Goldenrod
- Hairy Ground Cherry; Thickleaf Downy Ground Cherry; Husk Tomato
- Hairy Hawkweed; Beaked Hawkweed; Queen Devil
- Hairy Indigo
- Hairy Joint Meadow Parsnip
- Hairy Lettuce
- Hairy Lip Fern
- Hairy Meadow Beauty; Maid Marian
- Hairy Mock Orange; Cumberland Mock Orange; Streambank Mock Orange
- Hairy Mock-orange
- Hairy Mountain Mint
- Hairy Needle-leaved Witch Grass
- Hairy Phlox; Chalice Phlox
- Hairy Pinweed; Large Pinweed
- Hairy Puccoon; Coastal Plain Puccoon
- Hairy Seed Crowngrass
- Hairy Seedbox; Hairy Primrose Willow
- Hairy Seedbox; Rafinesque's Seedbox; Spindle Root
- Hairy Skullcap
- Hairy Smartweed
- Hairy Solomon's Seal
- Hairy Spurge; Pill Pod Sandmat
- Hairy St. John's Wort
- Hairy Stem Spiderwort
- Hairy Sweet Cicely; Bland Sweet Cicely
- Hairy Twig Huckleberry; Hairy Dangleberry; Woolly Dangleberry
- Hairy Umbrella Sedge
- Hairy Vetch; Fodder Vetch
- Hairy Wicky; Hairy Laurel; Sweet Wicky
- Hairy Wild Indigo
- Hairy Wood Mint; Hairy Pagoda Plant
- Hairy Wood Rush
- Hairy Woodland Brome; Wood Chess
- Halberd Leaf Violet; Spear Leaf Violet; Halberd Leaf Yellow Violet
- Hall's Bulrush
- Hammock Sedge
- Hammocksweet Azalea
- Hangchow Wood Fern
- Harbinger of Spring; Pepper and Salt
- Hard Stem Bulrush; Great Bulrush; Hard Stem Club Rush
- Hardhack; Steeplebush
- Hardy Begonia
- Hardy Orange; Trifoliate Orange
- Hardy Tapioca; Graham's Manihot; Graham's Cassava
- Hare Barley
- Hare's Ear Mustard
- Hare's Ear; Roundleaf Throughwax
- Harlequin Glory Bower
- Harper's Beakrush; Harper's Beaksedge
- Harper's Buttonweed
- Harper's Dodder
- Harper's Fimbry.
- Harper's Grooved Flax
- Harper's St. John's Wort; Sharp Lobe St. John's Wort
- Harper's Trout Lily
- Harper's Wild Buckwheat; Harper's Umbrella Plant
- Harper's Wild Ginger; Callaway Ginger; Harper's Heartleaf
- Harper's Yellow Eyed Grass; Roughleaf Yellow Eyed Grass
- Harperella
- Harvey's Beakrush; Harvey's Beaksedge
- Harvey's Buttercup
- Harvey's Large-flowered Coreopsis
- Harvill's Quillwort
- Hay Scented Fern; Pasture Fern; Boulder Fern
- Hazel Dodder
- Heart Wing Sorrel; Heart Wing Dock; Wild Dock
- Heartleaf Aster; Blue Wood Aster
- Heartleaf Climbing Hempvine; Florida Keys Hempweed
- Heartleaf Four O'clock; Heartleaf Umbrella Wort; Wild Four O'clock
- Heartleaf Golden Alexanders; Heartleaf Alexanders
- Heartleaf Ground Cherry; Toothleaf Ground Cherry
- Heartleaf Hedge Nettle; Nuttall's Hedge Nettle
- Heartleaf Noseburn; Twining Noseburn
- Heartleaf Plantain; Kingroot
- Heavenly Bamboo; Sacred Bamboo
- Hedgehog Wood Rush
- Heller's Rabbit Tobacco; Heller's Everlasting
- Hemp leaf ragwort
- Hemp; Marijuana
- Hen's Eyes; Coral Ardisia; Coralberry
- Henbit; Giraffe Head; Henbit Dead Nettle
- Henry's Stone Oak
- Herb Robert
- Herb Sophia
- Herbertia
- Hidden Bittercress
- Hidden Dropseed; Rough Dropseed
- Hidden Flower Witch Grass
- High Mallow; French Hollyhock
- Highland Doghobble; Mountain Doghobble; Switch Ivy
- Hill Cane
- Hillside Hawthorn; Chapman's Hill Thorn
- Himalayan Berry
- Hirsute Sedge; Fuzzy Wuzzy Sedge
- Hispid False Mallow; Yellow False Mallow
- Hispid Marbleseed; Eastern Prairie Marbleseed
- Hispid Starbur; Bristly Starbur; Hispid Greenstripe
- Hitchcock's Sedge
- Hoary Bowlesia
- Hoary Puccoon; Indian Paint
- Hoary Tick Trefoil
- Hoary Vervain
- Hog Millet; Broomcorn Millet; Proso Millet
- Hog Plum; Black Sloe; Prairie Plum
- Hogwort; Woolly Croton
- Hollyhock
- Honey Locust; Sweet Locust
- Hooded Arrowhead
- Hooked Buttercup; Hooked Crowfoot; Blisterwort
- Hooker's Milkwort
- Hoop petticoat daffodil
- Hop Sedge
- Hoptree; Wafer Ash
- Horn Leaf Riverweed; Threadfoot
- Hornbeam Copperleaf; Rough Pod Copperleaf; Hornbeam Three Seed Mercury
- Horned Bladderwort
- Horned Pondweed; Common Poolmat
- Horrid Thistle; Yellow Thistle
- Horse Chestnut
- Horse Sugar; Sweet Leaf; Dye Bush
- Horsetail Spikerush
- Howe's Sedge, Prickly Bog Sedge
- Huger's Carrion Flower
- Humped Bladderwort; Cone Spur Bladderwort; Shortspur Creeping Bladderwort
- Hyacinthbean
- Hybrid Bluebells
- Hybrid Catail
- Hybrid Dog Fennel; Hybrid Boneset
- Hybrid Eelgrass
- Hybrid Hoary Pea
- Hybrid Lespedeza [capitata x hirta]
- Hybrid Lespedeza [hirta x violacea]
- Hybrid Lespedeza [stuevei x virginica]
- Hybrid Oak
- Hybrid Oak
- Hybrid Toad Rush
- Hybrid Water Lily
- Hybrid Wood Fern
- Hyssop Leaf Golden Aster
- Hyssop Leaf Thoroughwort
- Hyssop Skullcap; Helmet Flower; Helmet Skullcap
- Hyssop Spurge; Hyssop Leaf Sandmat; Hyssop Leaf Broomspurge
I
37 plants
- Illinois Pondweed; Shining Pondweed
- Impressed Nerve Sedge; Ravine Sedge
- Indian Apple; Moonflower; Devil's Trumpet
- Indian Cucumber Root
- Indian Dayflower; Carolina Dayflower
- Indian Goose Grass; Yard Grass
- Indian Hawthorn
- Indian Hemp; Hemp Dogbane
- Indian Joint Vetch; Southern Joint Vetch
- Indian Lovegrass
- Indian Pink; Woodland Pinkroot; Worm Grass
- Indian Sandbur
- Indian Shot
- Indian Strawberry; Mock Strawberry
- Indian Swampweed
- Indian Sweet Clover; Sour Clover; Small Melilot
- Indian Tobacco
- Indian Wild Rice; Southern Wild Rice
- Inflated Scale Flatsedge
- Inkberry; Little Gallberry
- Inland Roundleaf Thoroughwort; Hairy Boneset
- Inland Rush
- Interior Bushy St. John's Wort
- Intermediate Mermaidweed
- Intermediate Wild Rye
- Interrupted beardgrass
- Interrupted Fern
- Intricate Hawthorn
- Iris Leaf Yellow Eyed Grass
- Irish Potato; White Potato
- Italian Bristlegrass; Foxtail Millet; Italian Millet
- Italian Ryegrass; Annual Ryegrass
- Italian Thistle; Italian Plumeless Thistle
- Itch Grass
- Ivy Leaf Morning Glory
- Ivy Leaf Speedwell
- Ivy leaf Thoroughwort; Ivy Leaf False Thoroughwort
J
58 plants
- Jackson False Foxglove; Thin Stem False Foxglove
- Jacksonville Hawthorn
- Jagged Chickweed
- Jamaican Crabgrass
- Jamaican Weed
- James' Sedge
- Japanese Barberry
- Japanese Blue Oak
- Japanese Bristlegrass; Nodding Foxtail; Chinese Foxtail
- Japanese Brome; Japanese Chess
- Japanese Chaff Flower
- Japanese Cheesewood
- Japanese Cleyera; Sakaki
- Japanese Climbing Fern
- Japanese Clover
- Japanese Dodder
- Japanese False Spleenwort; Peterson's Spleenwort; Japanese Lady Fern
- Japanese Holly Fern; Japanese Net Vein Holly Fern
- Japanese Honeysuckle
- Japanese Hops
- Japanese Iris; Blood Iris
- Japanese Jasmine
- Japanese Knotweed; Japanese Bamboo; Japanese Buckwheat
- Japanese Laurel
- Japanese Mazus; Asian Mazus
- Japanese Millet
- Japanese Painted Fern
- Japanese Privet
- Japanese Rose
- Japanese Spindle Tree
- Japanese Spirea; Japanese Meadowsweet
- Japanese Stilt Grass; Nepal Grass; Nepalese Brown Top
- Japanese Tassel Fern
- Japanese Virgin's Bower; Sweet Autumn Clematis; Yam Leaf Clematis
- Japanese Water Iris
- Japanese Wisteria
- Jelly Palm
- Jersey Cudweed
- Jerusalem Artichoke
- Jerusalem Cherry
- Jerusalem Oak; Feather Geranium
- Jerusalem Thorn; Horse Bean; Mexican Palo Verde
- Jesuit's Bark; Maritime Marsh Elder
- Jetbead
- Jewels of Opar
- Jimsonweed; Thorn Apple; Devil's Apple
- John Charles Weed
- Johnny Jump Up; Hearts Ease; Wild Pansy
- Johnson Grass
- Jointed Crowngrass; Knotgrass
- Jointed Flatsedge
- Jointed Goatgrass; Bearded Goatgrass
- Jones's Aster; Almut's Wood Aster
- Jonquil; Apodanthus Daffodil
- Jumpseed
- Jungle Rice; Shama Millet; Awnless Barnyard Grass
- Juniper Leaf; Rustweed
- Jute; East Indian Mallow
K
31 plants
- Kariba Weed; Aquarium Water Moss; Giant Salvinia
- Kearney's Witch Alder
- Keeled Goosefoot; Keeled Wormseed
- Keeled Lateral Bulrush
- Kenilworth Ivy
- Kentucky Bluegrass; June Bluegrass; Speargrass
- Kentucky Coffee Tree; Coffee Bean; Luck Bean
- Kentucky Skullcap
- Kentucky Spleenwort
- Ketona Tickseed
- Ketona Yellow Eyed Grass
- Khakiweed
- Kidney Leaf Buttercup; Kidney Leaf Crowfoot
- Kidney Leaf Grass of Parnassus; Appalachian Grass of Parnassus; Brook Parnassia
- Kidney Leaf Mud Plantain
- Kidney Shape Sedge
- Kiss Me Over the Garden Gate; Prince's Feather; Prince's Plume
- Kiss Me Quick; Pink Purslane; Shaggy Portulaca
- Kitchen Sage; Garden Sage
- Knotroot Bristlegrass; Knotroot Foxtail; Perennial Foxtail Grass
- Knotted Hedge Parsley; Knotted Bur Parsley
- Knotted Spikerush
- Korean Clover
- Korean Mulberry
- Korean Temple Grass
- Kral's Aster
- Kral's Beardtongue
- Kral's Sedge
- Kral's Water Plantain; Little River Arrowhead; Little River Water Plantain
- Kral's Yellow Eyed Grass
- Kudzu
L
235 plants
- Lace Grass; Tiny Lovegrass
- Lace Lip Ladies' Tresses; Lace Lip Spiral Orchid
- Ladder Brake; Chinese Brake
- Lady Lupine; Pink Sandhill Lupine
- Lady's Thumb; Heart's Ease
- Lakebank Sedge
- Lakecress
- Lamarck's Bedstraw
- Lamb's Quarters; White Goosefoot; White Pigweed
- Lance Leaf Green Hawthorn
- Lance Leaf Greenbrier; Small's Greenbrier; Jackson Brier
- Lance Leaf Loosestrife; Lance Leaf Yellow Loosestrife
- Lance Leaf Ragweed
- Lance Leaf Rattlebox
- Lance Leaf Rose Gentian
- Lance Leaf Scurf Pea; French Grass
- Lance Leaf Tickseed; Long Stalk Tickseed
- Lance Leaf Trillium; Lance Leaf Wakerobin; Narrowleaf Trillium
- Lance Leaf Water Willow
- Lance Leaf Wild Licorice; Lance Leaf Bedstraw; Yellow Wild Licorice
- Lanceleaf Sage
- Lanceolate Milkweed; Few Flower Milkweed
- Lappa Clover; Burdock Clover
- Large Beakrush; Southern White Beaksedge
- Large Bract Plantain; Bracted Plantain
- Large Bract Tick Trefoil; Toothed Tick Trefoil
- Large Bullwort; Bishop's Weed
- Large Flower Bellwort; Merrybells
- Large flower clammyweed; sandy seed clammyweed; rough seed clammyweed
- Large Flower Evening Primrose
- Large Flower Heartleaf; Shuttleworth's Ginger
- Large Flower Hibiscus; Swamp Rose Mallow
- Large Flower Milkweed
- Large Flower Rose Gentian
- Large Flower Tickseed; Showy Tickseed
- Large Flower Trillium; Large Flower Wakerobin; Great White Trillium
- Large Flower Valerian; Pink Valerian; Long Tube Valerian
- Large flowered limestone woodsorrel
- Large Fruit Amaranth; Argentina Amaranth
- Large Fruit Black Snakeroot; Beaked Sanicle
- Large Grass-Leaved Rush
- Large Gray Willow
- Large Leaf Aster
- Large Leaf Grass of Parnassus; Lime Seep Parnassia; Undine
- Large Leaf Jointweed
- Large Leaf Phlox; Broadleaf Phlox
- Large Leaf Pondweed; Broadleaf Pondweed; Bigleaf Pondweed
- Large Leaf Rose Gentian
- Large Leaf Waterleaf; Hairy Waterleaf
- Large Leaf Wild Indigo; Plains Wild Indigo; Prairie False Indigo
- Large Leaved Dutchman's Pipe
- Large Root Morning Glory; Pink Moonvine
- Large Seed Dodder; Bigseed Alfalfa Dodder; Pretty Dodder
- Large Seed Forget Me Not; Big Seed Forget Me Not; Big Seed Scorpion Grass
- Large Solomon's Seal; King Solomon's Seal
- Large White Fringed Orchid; Southern White Fringed Orchid
- Large Whorled Pogonia; Five Leaf Orchid; Larger Five Leaves
- Large Yellow Vetch; Bigflower Vetch
- Largeleaf marshpennywort
- Late Flowering Beach Sunflower
- Late Flowering Thoroughwort
- Lattion Jointgrass; Lattice Joint Tail Grass; Pitted Jointgrass
- Laurel Leaf Greenbrier; Bamboo Vine; Blaspheme Vine
- Laurel Oak
- Lavender Bladderwort; Northeastern Bladderwort; Resupinate Bladderwort
- Lavender Oldfield Aster; Price's Aster
- Lawn Burweed; Field Burweed
- Lawn Pennywort; Lawn Water Pennywort; Lawn Marsh Pennywort
- Lax Flower Witch Grass; Open Flower Rosette Grass; Soft Tuft Panic Grass
- Lax Hornpod; Miterwort
- Lax Panic Grass
- Lazy Sedge
- Le Conte's Flatsedge
- Leafy Bladderwort; Flatstem Bladderwort
- Leafy Bulrush
- Leafy Pondweed
- Leafy Prairie Clover
- Least Duckweed
- Least Hop Clover; Suckling Clover
- Least Snout Bean
- Least Trillium
- Leather Leaf Mahonia; Leather Leaf Holly Grape; Beale's Oregon Grape
- Leathery Rush
- Leavenworth's Goldenrod
- Leavenworth's Sedge
- LEAVENWORTH'S TICKSEED
- Leech Brush; Conjurer's Nut; Indian Olive
- Leggett's Pinweed
- Lemon Balm; Common Balm; Garden Balm
- Lemon Beebalm; Lemon Bergamot; Lemon Mint
- Lentil Vetch; Slender Vetch; Four Seed Vetch
- Leonard's Witch Hazel
- Leopardsbane
- Lesser Blue-eyed Grass
- Lesser Calamint; Basil Thyme
- Lesser Canary Grass
- Lesser Chickweed
- Lesser Clearweed.
- Lesser Greater Duckweed; Dotted Duckweed; Dotted Duckmeat
- Lesser Ladies' Tresses; October Ladies' Tresses
- Lesser Marsh St. John's Wort
- Lesser Periwinkle; Common Periwinkle
- Lesser Peruvian Daisy; Gallant Soldier
- Lesser Quaking Grass; Little Quaking Grass
- Lesser Snakeroot; Small Leaf White Snakeroot; Wild Hoarhound
- Lesser Swinecress; Wartcress
- Lewis's Yellow Loosestrife
- Leyland Cypress
- Lilac Bell; Lavender Moonvine; Purple Moonflower
- Lilac Chaste Tree; Blue Vitex; Monk's Pepper Tree
- Lilac Tassel Flower
- Lilies of the Field.
- Lily Leaf Twayblade; Large Twayblade; Mauve Sleekwort
- Lily of the Valley Vine; Pampas Lily of the Valley
- Limber Honeysuckle
- Lime Barren Sandwort; Pitcher's Stitchwort
- Limerock Arrow Wood; Bracted Arrow Wood
- Limestone Adder's Tongue; Engelmann's Adder's Tongue
- Limestone Bittercress; Purple Cress; Pink Spring Cress
- Limestone Forest Sedge
- Limestone Goldenrod; False Goldenrod; Autumn Goldenrod
- Limestone Meadow Sedge
- Limestone Quillwort; Glade Quillwort; Butler's Quillwort
- Limestone Rock Pink
- Limestone Rush; Ring Seed Rush; Texas Plains Rush
- Limestone Wild Petunia
- Lindheimer's Beeblossom; White Gaura; Butterfly Gaura
- Lindheimer's Witch Grass
- Lindheimer's Wooly Croton
- Lindley's Butterfly Bush
- Linear Leaf Witch Grass; Slim Leaf Rosette Grass
- Lined Sedge; Michaux's Sedge
- Lion's Ears; Lightning Rod Plant; Christmas Candlestick
- Lion's Foot; Gall of the Earth; Cankerweed
- Lion's Tail
- Little Barley; Mouse Barley
- Little Beakrush; Fairy Beakrush; Dwarf Beaksedge
- Little Club Spur Orchid; Small Woodland Orchid; Small Green Wood Orchid
- Little Duckweed
- Little Floating Bladderwort; Small Swollen Bladderwort
- Little Floating Heart
- Little Head Nutrush
- Little Head Spikerush; Dwarf Spikerush; Small Spikerush
- Little Hip Hawthorn; Sugar Haw
- Little Ladies' Tresses; Little Pearl Twist
- Little Leaf Buckbrush; Sandflat Ceanothus; Little Leaf White Thorn
- Little Leaf Milk Pea
- Little Leaf Milkwort; Shortleaf Milkwort
- Little Lovegrass
- Little Mountain Meadow Rue
- Little People; Petite Plant
- Little Pod False Flax; Lesser Gold of Pleasure
- Little Silverbell; Small Flower Silverbell
- Little Sweet Betsy; Whippoor Will Flower; Large Toadshade
- Little Tooth Sedge
- Littlebells
- Live Oak
- Lizard's Tail; Water Dragon
- Lobed Barren Strawberry
- Lobed Fruit St. John's Wort
- Lobed Spleenwort
- Loblolly Bay
- Loblolly Pine; Oldfield Pine
- Locust Fork Goldenrod
- Lodon Rocket
- Loesel's Wide Lipped Orchid
- Log Fern
- Long Awn Muhly; Hair Awn Muhly; Long Awn Hairgrass
- Long Beak Baldrush; Long Beak Beaksedge
- Long Beard Bluestem
- Long Bract Wild Indigo; Cream Wild Indigo.
- Long Bristle Indian Grass; Slender Indian Grass
- Long Bristle Smartweed; Oriental Lady's Thumb; Asiatic Water Pepper
- Long Flower Alumroot
- Long Flower Beeblossom; Large Flower Gaura
- Long Flower Tobacco
- Long Hair Witch Grass; Villous Panic Grass; White Hair Rosette Grass
- Long Head Poppy; Blind Eyes
- Long Ligule Witch Grass; Coastal Plain Rosette Grass
- Long Lip Ladies' Tresses; Giant Spiral Orchid
- Long Lovegrass
- Long Sepal Beardtongue; Calico Beardtongue; Smooth Beardtongue
- Long Spike Fluffgrass
- Long Spine Sandbur; Northern Sandspur; Common Sandspur
- Long Spur Violet
- Long Stalk Sedge
- Long Stalk Woodland Sedge
- Long-tailed Wild Ginger
- Long's Rush
- Long's Sedge
- Longbeak Buttercup; White Water Buttercup; Longbeak Water Crowfoot
- Longleaf Milkweed; Savannah Milkweed
- Longleaf Panic Grass
- Longleaf Pine; Southern Pine
- Longleaf Pondweed; American Pondweed
- Longleaf Spikegrass; Longleaf Wood Oats
- Longleaf Sunflower
- Longleaf Three Awn
- Longleaf Wedgescale
- Lookout Mountain Tickseed; Sandstone Tickseed
- Loomis' Mountain Mint
- Loose Flower Water Willow; Coastal Plain Water Willow
- Loose Head Beakrush; Loose Head Beaksedge
- Loose Milkwort; Alternate Milkwort
- Loose Water Milfoil; Lax Water Milfoil
- Lopsided Indian Grass
- Lopsided Rush; Secund Rush
- Loquat
- Lords and Ladies; Italian Arum
- Louisiana Quillwort
- Louisiana Sedge
- Louisiana Vetch
- Louisiana Yellow Eyed Grass
- Lousiana Broomrape
- Low Agrimony; Small Fruit Groovebur; Small Fruit Agrimony
- Low Bulrush
- Low Hop Clover; Field Clover
- Low Nutrush; Whorled Nutrush; Savannah Nutrush
- Low Pinebarren Milkwort
- Low Rattlebox
- Low Rattlebox; Rabbitbells;
- Low Spearwort; Low Buttercup
- Low Spikesedge; Slender Leaf Spikesedge; Annual Greenhead Sedge
- Low St. Andrew's Cross; Creeping St. Andrew's Cross; Straggling St. Andrew's Cross
- Low Starbur; Roadside Greenstripe
- Low Wild Petunia; Fringe Leaf Wild Petunia; Hairy Wild Petunia
- Low Woodland Sedge; Creeping Woodland Sedge; Companion Sedge
- Lowland Beardtongue
- Lowland Hog Peanut
- Lowland Loosestrife; Lowland Yellow Loosestrife
- Lowland Toothcup
- Lupine Scurf Pea; Piedmont Leather Root
- Lynn Haven Golden Aster
- Lyre Leaf Bladderpod; Lyrate Bladderpod
- Lyre Leaf Sage
M
159 plants
- MacDaniel's Blazing Star; MacDaniel's Gayfeather
- Mad Dog Skullcap; Blue Skullcap; Hoodwort
- Madagascar Periwinkle; Rosy Periwinkle; Cayenne Jasmine
- Madam Gorgon
- Maiden Cane
- Maidenbush
- Maidenhair Spleenwort
- Malaysian False Pimpernel
- Maleberry; He Huckleberry
- Maltese Star Thistle
- Manatee-grass
- Mangrove Flatsedge
- Manila Temple Grass; Manila Grass; Zoysia
- Many Flower Beardtongue
- Many Flower Flatsedge
- Many Flower Grass Pink
- Many Flower Pennywort; Umbrella Water Pennywort; Many Flower Marsh Pennywort
- Many Flower Witch Grass
- Many Head Rush; Flat Leaf Rush
- Many Spike Flatsedge
- Maple Leaf Viburnum; Dockmackie; Maple Leaf Arrow Wood
- Marginal Shield Fern; Marginal Wood Fern; Leather Wood Fern
- Margined Buttercup
- Mariana Maiden Fern; False Maiden Fern
- Marietta Allegheny Hawthorn
- Maritime Pokeweed
- Marl Spleenwort
- Marlins’ Beaksedge
- Marsh Dewflower; Wart Removing Herb
- Marsh Fimbry
- Marsh Flatsedge
- Marsh Frogfruit; Northern Frogfruit; Lance Leaf Frogfruit
- Marsh Mermaidweed
- Marsh Parsley; Slim Lobe Celery
- Marsh Pea
- Marsh Pepper Smartweed; Water Pepper; Common Smartweed
- Marsh Rose Gentian
- Marsh Seedbox; Marsh Primrose Willow; Common Water Purslane
- Marsh Spikerush; Common Spikerush
- Maryland Black Snakeroot; Maryland Sanicle
- Maryland Figwort; Carpenter's Square; Eastern Figwort
- Maryland Golden Aster
- Maryland Hawkweed
- Maryland Meadow Beauty; Pale Meadow Beauty
- Maryland Milkwort
- Maryland Tick Trefoil; Smooth Small Leaf Tick Trefoil
- Maryland Wild Senna; Maryland Wild Sensitive Plant
- Mascarene Island Leaf Flower; Long Stalk Leaf Flower
- Mat Amaranth; Matweed Amaranth
- Matted Crowngrass
- Matted Water Starwort
- Matting Witch Grass; Hairy Panicled Panic Grass; Matting Rosette Grass
- Maximilian's Sunflower; Michaelmas Daisy
- May Apple; American Mandrake
- Mead's Sedge
- Meadow Brome; Hairy Chess
- Meadow Dropseed
- Meadow Evening Primrose; Midwestern Evening Primrose
- Meadow Fescue
- Meadow Phlox; Wild Sweet William
- Meadow Spikemoss
- Mealy Fumewort
- Mellichamp's Oak
- Mellichamp's Skullcap
- Memorial Rose; Dorothy Perkins Rose
- Mendez's Sandmat
- Menges' Rock Pink
- Mercury Spurge; Cumberland Spurge; Dog's Mercury Spurge
- Mexican Fireplant; Painted Leaf; Wild Poinsettia
- Mexican Hemlock; Southern Water Hemlock
- Mexican Marigold; Muster John Henry; Stinking Roger
- Mexican Plum; Bigtree Plum
- Mexican Prickly Poppy; Yellow Prickly Poppy; Mexican Poppy
- Mexican Primrose Willow
- Mexican Sprangletop
- Mexican Tarragon
- Mexican Tea; American Wormseed
- Meyer's Bamboo
- Miami Mist
- Michaux's Gladecress
- Michaux's Milkweed
- Michaux's Orchid; Long Horn False Rein Orchid
- Michaux's Rock Sandwort
- Michigan Lily
- Midland Sedge
- Midwestern Annual Aster; Lawn Aster; Slim Aster
- Midwestern Bold Goldenrod; Stiff Leaf Goldenrod; Hard Leaf Flat Top Goldenrod
- Midwestern Roughleaf Dogwood
- Midwestern Summer Bluet; Calycose Bluet
- Mile-a-minute vine
- Milk and Wine Lily; Orange River Lily
- Milk Purslane; Spotted Spurge; Spotted Sandmat
- Miller's Witch Alder
- Millet Beakrush; Millet Beaksedge
- Miner's Pepperwort; Prairie Pepperweed; Green Flower Peppergrass
- Mingled Beakrush; Mingled Beaksedge
- Miniature Beefsteak Plant
- Mississippi Buttercup; Coastal Plain Spearwort
- Mississippi Hawthorn
- Mississippi Valley Goldentop; Bushy Goldentop; Mississippi Valley Flat Top Goldenrod
- Missouri Alumroot
- Missouri Ironweed
- Missouri Mud Plantain
- Missouri Violet
- Missouri Willow; Diamond Willow; Heartleaf Willow
- Mitchell's Hybrid Pitcher Plant
- Mitchell's Sedge
- Mobile Onion; Pink Wild Onion
- Mockernut Hickory; White Hickory
- Mohr's Barbara's Buttons; Coosa Barbara's Buttons
- Mohr's Bluestem; Tawny Bluestem; Bog Bluestem
- Mohr's Hawthorn
- Mohr's Rosinweed; Shaggy Rosinweed
- Mohr's Thoroughwort
- Mohr's Three Awn
- Mondo Grass
- Montgomery Hawthorn
- Moore's Hybrid Pitcher Plant
- Morefield's Leather Flower; Huntsville Vasevine
- Moroccan Toadflax
- Morrow's Honeysuckle
- Mosquito Beakrush; Bearded Beaksedge; Mosquito Beaksedge
- Moss Phlox
- Moss Verbena
- Moss Vervain; South American Vervain; South American Mock Vervain
- Mother of Thousands
- Motherwort; Lion's Tail
- Mountain Basswood; White Basswood; Linden Tree
- Mountain Bush Honeysuckle; Riverbank Bush Honeysuckle
- Mountain Camellia; Wild Camellia
- Mountain Fetterbush; Red Twig Doghobble
- Mountain Golden Alexanders; Meadow Alexanders
- Mountain Goldenrod; Appalachian Goldenrod
- Mountain Highbush Blueberry
- Mountain Indigo Bush; Appalachian Indigo Bush; Mountain Indigo
- Mountain Laurel; Calico Bush; Spoonwood
- Mountain Oat-grass
- Mountain Phlox; Appalachian Phlox
- Mountain Spikerush
- Mountain Spleenwort
- Mountain Sweet Pepperbush; Mountain White Alder; Mountain Pepperbush
- Mountain Witch Alder; Large Witch Alder
- Mourning Lovegrass
- Mouse Ear Cress; Thalecress
- Mouse's Ear; Shade Betony
- Muck Sunflower
- Mud Babies; Dwarf Burhead
- Mudbank Crowngrass
- Muehlenberg's Nutrush; Pitted Nutrush
- Muhlenberg's Sedge
- Mullein Foxglove
- Multi Bloom Hoary Pea
- Multiflora Rose; Rambler Rose; Japanese Rose
- Munson Grape; Bullace Grape
- Muscadine; Scuppernong
- Mustang Grape
- Myrtle Leaf Holly; Myrtle Dahoon
- Myrtle Leaf St. John's Wort; Pale St. John's Wort
- Myrtle Oak; Myrtle Leaf Scrub Oak
N
119 plants
- Naked Flower Tick Trefoil
- Naked Ladies
- Naked Stem Dewflower; Dove Weed
- Naked Stem Witch Grass
- Narrow Fruit Beakrush; Narrow Fruit Horned Beaksedge
- Narrow Fruit Watercress; One Row Yellowcress
- Narrow Pipewort
- Narrow Plume Grass
- Narrow Sword Fern; Tuber Sword Fern; Wild Boston Fern
- Narrowleaf Barbara's Buttons; Slim Leaf Barbara's Buttons
- Narrowleaf Blue Eyed Grass; Stout Blue Eyed Grass
- Narrowleaf Bluecurls
- Narrowleaf Bluestem
- Narrowleaf Bugleweed; Southern Bog Water Horehound
- Narrowleaf Bush Clover; Narrowleaf Lespedeza
- Narrowleaf Bushy Thoroughwort, Waxy Thoroughwort
- Narrowleaf Carpet Grass; Southern Carpet Grass; Common Carpet Grass
- Narrowleaf Cat Tail
- Narrowleaf Clover; Narrowleaf Crimson Clover
- Narrowleaf Cockspur Hawthorn
- Narrowleaf Goosefoot; Desert Goosefoot
- Narrowleaf Gumweed; Spiny Tooth Gumweed
- Narrowleaf Hornpod
- Narrowleaf Ironweed; Tall Ironweed
- Narrowleaf Knotweed; Needle Leaf Knotweed
- Narrowleaf Miner's Lettuce
- Narrowleaf Mountain Mint; Slender Mountain Mint
- Narrowleaf Naiad
- Narrowleaf Obedient Plant; Narrowleaf False Dragonhead; Triangle Lion's Heart
- Narrowleaf Paleseed
- Narrowleaf Pinweed
- Narrowleaf Purple Everlasting
- Narrowleaf Ramps; White Ramps
- Narrowleaf Rose Gentian; Narrowleaf Rose Pink
- Narrowleaf Rushfoil; Sand Rushfoil; Michaux's Croton
- Narrowleaf Seedbox; Narrowleaf Primrose Willow
- Narrowleaf Silkgrass; Grassleaf Golden Aster
- Narrowleaf Smooth Aster
- Narrowleaf Sundrops; Common Sundrops; Narrowleaf Evening Primrose
- Narrowleaf Sunflower; Swamp Sunflower
- Narrowleaf Vervain
- Narrowleaf Vetch; Common Vetch
- Narrowleaf Whitetop Aster
- Narrowleaf Whitetop Sedge; Star Rush
- Narrowleaf Witch Grass
- Nash's Blue Eyed Grass
- Nash's Witch Grass
- Nashville Breadroot; White Rim Indian Breadroot
- Nashville Camphorweed; Prairie Golden Aster; Lemon Yellow Golden Aster
- Navel Cornsalad; Northern Cornsalad
- Necklace Gladecress
- Needle Beakrush; Needle Beaksedge; Wiry Beaksedge
- Needle Leaf Witch Grass; Needle Leaf Rosette Grass
- Needle Palm
- Needle Pod Rush; Sedge Rush
- Needle Spikerush; Least Spikerush
- Needle Tip Blue Eyed Grass; Michaux's Blue Eyed Grass
- Needlebush; Cheesetree
- Negundo Chastetree
- Nelson's Hedge-nettle
- Nerved Witch Grass
- Nerveless Woodland Sedge
- Netleaf Leather Flower
- Netted Chain Fern; Netleaf Chain Fern; Netvein Chain Fern
- Netted Nutrush
- Nettle Leaf Goosefoot; Sowbane
- Nettle Leaf Noseburn
- Nettle Leaf Sage
- Nevius' Stonecrop
- New England Aster
- New England Bulrush; New England Club Rush
- New York Fern
- New York Ironweed
- Night Flowering Catchfly; Sticky Cockle; Sticky Campion
- Night Flowering Wild Petunia; Night Blooming Wild Petunia
- Nimblewill; Schreber's Muhly
- Nipplewort
- Nodding Beakrush; Nodding Beaksedge
- Nodding Beardtongue; Piney Woods Beardtongue
- Nodding Beggarticks; Nodding Bur Marigold
- Nodding Chickweed; Nodding Mouse Ear Chickweed
- Nodding Evening Primrose
- Nodding Fescue
- Nodding Ladies' Tresses
- Nodding Mandarin; Spotted Mandarin
- Nodding Nixie
- Nodding Onion
- Nodding Thistle; Musk Thistle
- Nodding Wild Rye; Canadian Wild Rye; Great Plains Wild Rye
- None-So-Pretty; Sweet William Catchfly
- Nonesuch Daffodil; Peerless Daffodil
- Northern Blazing Star
- Northern Bluethreads; Two Flower Burmannia; Violet Burmannia
- Northern Bog Goldenrod
- Northern Catalpa; Catawba Tree; Indian Cigar Tree
- Northern Crabgrass; Hairy Crabgrass
- Northern Hackberry; Common Hackberry
- Northern Horsebalm; Richweed; Canadian Horsebalm
- Northern Maidenhair Fern Common Maidenhair Fern; American Maidenhair
- Northern Obedient Plant; False Dragon's Head; Lion's Heart
- Northern Prickly Ash; Toothache Tree; American Prickly Ash
- Northern Rattlesnake Master; Button Eryngo; Corn Snakeroot
- Northern Red Oak
- Northern Roughleaf Goldenrod; Swamp Goldenrod
- Northern White Oak
- Northern Wild Raisin; Withe Rod; Shonny Haw
- Northern Wild Senna; American Wild Sensitive Plant
- Northern Winged Loosestrife
- Nottoway Valley Brome; Satin Brome; Virginia Brome
- Nutmeg Hickory
- Nuttall's Hedge-Nettle
- Nuttall's Lobelia
- Nuttall's Milkwort
- Nuttall's Mock Bishopweed; Midwestern Bishopweed; Lace Flower
- Nuttall's Rayless Goldenrod
- Nuttall's Reed Grass; Small Reed Grass
- Nuttall's Thistle; Coastal Tall Thistle
- Nuttall's Tick Trefoil
- Nuttall's Water Starwort
O
67 plants
- Oak Leaf Goosefoot
- Oak Leaf Hydrangea; Seven Bark Hydrangea
- Oak Leaf Thorn Apple; Chinese Thorn Apple
- Oak Ridge Lupine; Blue Sandhill Lupine
- Oblique Milkvine
- Oblong Fruit Pinweed; Racemose Pinweed
- Oblong Leaf Snake Herb; Blue Twinflower
- Ocean Blue Morning Glory; Blue Dawnflower
- Ocean Blue Scorpion Weed; Western Buttercup Phacelia
- Odorless Bayberry; Odorless Wax Myrtle
- Ogeechee Tupelo; Ogeechee Lime; Ogeechee Plum
- Oglethorpe Oak
- Ohio Buckeye; Fetid Buckeye
- Ohio Spiderwort; Blue Jacket; Smooth Spiderwort
- Oklahoma Grass Pink
- Oklahoma Sedge
- Okra
- Old Cahaba Rosinweed
- Old Field Milkvine
- Old World Climbing Fern; Small Leaf Climbing Fern
- Old World Hairsedge; Water Grass
- Oldfield Cinquefoil; Oldfield Five Fingers; Common Cinquefoil
- Oldfield Toadflax; Common Toadflax
- Oldham's Baby's Breath
- Oleander
- One Flower Bedstraw; Black Fruit Bedstraw
- One Flower Cancer Root; One Flower Broom Rape; Naked Broom Rape
- One Flower False Fiddleleaf
- One Flower Hawthorn; Single Flower Hawthorn; Dwarf Thorn
- One Flower Honeycomb Head; Savannah Honeycomb Head
- One Flower Indian Pipe; Corpse Plant; Ghost Plant
- One Seed Bur Cucumber; Star Cucumber
- Ontario Aster; Bottomland Aster
- Opium Poppy
- Opposite Leaf Dwarf Dandelion; Common Dwarf Dandelion
- Orange Coneflower
- Orange Day Lily; Tawny Day Lily
- Orange eye butterfly bush
- Orange Grass; Pineweed
- Orange Jewelweed; Orange Touch Me Not; Spotted Touch Me Not
- Orange Milkwort; Candyweed; Bog Bachelor's Button
- Orchard Grass; Cock's Foot
- Oregano
- Oriental Arborvitae; Tree of Life
- Oriental Evening Primrose
- Orinoco Jute; Hairy Jute
- Osage Orange; Bow wood; Hedge Apple
- Outcrop Rushfoil; Egg Leaf Rushfoil; Willdenow's Croton
- Oval Flower Witch Grass; Egg Leaf Rosette Grass
- Oval Head Sedge
- Oval Ladies'-tresses
- Oval Leaf Ironweed
- Oval Leaf Knotweed; Devil's Shoestrings; Equal Leaf Knot Grass
- Ovate False Fiddleleaf
- Ovate Leaf Flatsedge
- Ovate Leaf Rosinweed
- Ovate Leaf Violet
- Ovate Maiden Fern
- Overcup Oak
- Ox Eye Daisy; White Daisy; Common Daisy
- Ozark Chinquapin
- Ozark Dropseed
- Ozark Grass
- Ozark Meadow Beauty; Showy Meadow Beauty
- Ozark Phlox
- Ozark Tassel Rue
- Ozark Wild Basil; Ozark Calamint; Glade Savory
P
261 plants
- Painted Buckeye
- Painted Sedge; Boott's Sedge
- Pale Beardtongue; White Beardtongue
- Pale Blue Eyed Grass; Roadside Blue Eyed Grass
- Pale Dock; Tall Dock; Peach Leaf Dock
- Pale Duckweed
- Pale Grass Pink
- Pale Indian Plantain
- Pale Leather Flower
- Pale Lobelia
- Pale Madwort; Yellow Alyssum
- Pale Pitcher Plant; Pale Trumpets; Winged Pitcher Plant
- Pale Poppy Mallow; Pink Poppy Mallow; Light Poppy Mallow
- Pale Purple Coneflower
- Pale Smartweed; Dock Leaf Smartweed; Willow Weed
- Pale Spike Lobelia
- Palmate Leaf Violet; Wood Violet; Early Blue Violet
- Palmer's Amaranth; Careless Weed; Palmer's Pigweed
- Pampas Grass
- Pan-American Balsamscale
- Panhandle Lily
- Panhandle Meadow Beauty
- Panhandle Pipewort
- Panicled Tick Trefoil
- Pantropical Fanpetals
- Paper Mulberry
- Paper White Narcissus
- Para Grass; Para Liverseed Grass
- Paraguay Bushmint
- Paraguayan Dock
- Paraguayan Purslane; Broadleaf Pink Purslane
- Paraguayan Windmill-grass
- Parasol Sedge
- Parasol Whitetop; Parasol Flat Top Aster
- Parrot Lily; Peruvian Lily
- Parrot Pitcher Plant; Parrot Beaks
- Parrot's Feather
- Parsley Hawthorn; Parsley Leaf Haw
- Partridge Berry; Squawberry; Checker Berry
- Passion Flower
- Pasture Gladecress
- Pasture Heliotrope; Delicate Heliotrope; Slender Heliotrope
- Pasture Spikesedge
- Path Rush; Yard Rush; Poverty Rush
- Peach
- Peanut; Goobers
- Pear Hawthorn
- Pearl Millet
- Pearlbush
- Pecan
- Peel Bark St. John's Wort; Narrowleaf St. John's Wort; Sand Weed
- Pellitory of the Wall
- Pennsylvania Bittercress; Quaker Bittercress
- Pennsylvania Everlasting
- Pennsylvania Pellitory; Rock Pellitory
- Pennsylvania Sedge
- Pennsylvania Smartweed; Pinkweed
- Peppermint
- Peppervine
- Perennial Beardgrass
- Perennial Peanut; Grassnut
- Perennial Ragweed
- Perennial Saltmarsh Aster
- Perennial Wallrocket; Flixweed; Sand Mustard
- Perfoliate Alexanders
- Perfoliate Bellwort; Mealy Bellwort
- Perfoliate Horse Gentian; Feverwort; Tinker's Weed
- Perplexed Tick Trefoil
- Peruvian Primrose Willow
- Peruvian Zinnia
- Petty Spurge
- Philadelphia Fleabane; Philadelphia Daisy
- Philadelphia Panic Grass; Woodland Panic Grass; Woods Witch Grass
- Philippine Island Lily
- Pickerel Weed; Wampee
- Pickering's Dawnflower; Pickering's Morning Glory
- Picotee Morning Glory
- Pie Plate; Yerba De Tajo
- Piedmont Azalea; Mountain Azalea; Honeysuckle Azalea
- Piedmont Barbara's Buttons; Spoon Shape Barbara's Buttons
- Piedmont Bedstraw; Piedmont Crosswort
- Piedmont Black Senna; Comb Black Senna
- Piedmont Bladderwort; Dwarf Bladderwort; Minute Bladderwort
- Piedmont False Pimpernel; Flatrock Pimpernel; Riverbank Pimpernel
- Piedmont Hybrid Pawpaw
- Piedmont Pale Goldenrod
- Piedmont Quillwort; Black Based Quillwort
- Piedmont Roseling; Common Roseling
- Pigeon Grape; Downy Grape
- Pignut Hickory
- Pilewort; Fireweed; American Burnweed
- Pimpernel
- Pin Oak
- Pine Lily; Southern Red Lily; Catesby's Lily
- Pinebarren Flatsedge; Cylindric Flatsedge
- Pinebarren Fluffgrass; Flatwoods Fluffgrass
- Pinebarren Frostweed; Pinebarren Sunrose
- Pinebarren Goldenrod; Hairy Pineywoods Goldenrod
- Pinebarren Sedge
- Pinebarren Tick Trefoil; Pineland Tick Trefoil
- Pinebarren Whitetop; Pinebarren Aster
- Pinehill Little Bluestem
- Pineland Agrimony; Incised Agrimony; Incised Groovebur
- Pineland Beakrush; Pineland Beaksedge
- Pineland Bogbuttons; Tiny Bogbuttons
- Pineland False Foxglove
- Pineland False Sunflower
- Pineland Hoary Pea; Dwarf Goat's Rue
- Pineland Milkweed
- Pineland Nailwort
- Pineland Pinweed
- Pineland Rayless Goldenrod
- Pineland St. John's Wort
- Pineland Yellow Eyed Grass
- Pinesap; False Beechdrops; Many Flower Indian Pipe
- Pinewoods Bluestem
- Pinewoods Milkweed; Fleshy Milkweed
- Pinewoods Rose Gentian
- Pink Bogbutton
- Pink Fuzzy Bean; Pink Wild Bean; Perennial Sand Bean
- Pink Ladies; Showy Evening Primrose; Pink Sundrops
- Pink Lady's Slipper; Pink Moccasin Flower
- Pink Milkwort; Procession Flower
- Pink Redstem
- Pink Smartweed
- Pink Sundew
- Pink Thoroughwort; Pink Slender Thoroughwort
- Pink Turtlehead; Appalachian Turtlehead
- Pink Wood Sorrel; South American Wood Sorrel; Large Flower Pink Sorrel
- Pinkhead Smartweed
- Pinnate Leaf Coneflower; Pinnate Lobe Coneflower
- Pinnate Prairie Coneflower; Globular Prairie Coneflower; Gray Head Mexican Hat
- Pinxter Bloom Azalea; Pink Azalea; Pinxter Flower
- Pit Scale Grass
- Pit Seed Goosefoot; Bosc's Goosefoot
- Pitchfork Crowngrass
- Pitted Beard Grass
- Pitted Stripeseed
- Plains Lovegrass
- Plains Tickseed; Golden Tickseed; Calliopsis
- Planer Tree; Water Elm
- Plantain Leaf Pussytoes; Woman's Tobacco
- Plantain Leaf Sedge
- Plantain Signalgrass; Plantain Liverseed Grass
- Pleat Leaf Knotweed; Glade Knotweed; Slender Knotweed
- Plukenet's Flatsedge
- Plum Leaf Azalea; Red Azalea
- Plumed Beakrush; Plumed Beaksedge
- Poet’s Narcissus, Pheasant’s-eye Daffodil
- Pointed Leaf Tick Trefoil; Heartleaf Tick Trefoil; Clusterleaf Tick Trefoil
- Poiret's Copperleaf
- Poison Bean; Rattle Bush; Rattle Bean
- Poison Hemlock
- Poison Oak
- Poison Sumac; Thunderwood; Swamp Sumac
- Poke Milkweed; Tall Milkweed
- Pomegranate
- Pond Cypress
- Pond Flatsedge
- Pond Lovegrass
- Pond Pine; Pocosin Pine; Marsh Pine
- Pond Primrose Willow; Piedmont Primrose Willow; Pond Seedbox
- Pond Water Starwort
- Pondshore Croton; Elliott's Croton
- Poor Joe; Rough Buttonweed
- Poorland Flatsedge
- Poorman's Pepperwort; Virginia Pepperweed; Virginia Peppergrass
- Porcelain Berry; Amur Peppervine
- Porter's Goldenrod
- Possum Grape; Bailey's Grape
- Possum Haw Viburnum; Southern Wild Raisin
- Post Oak
- Potato Dwarf Dandelion; Colonial Dwarf Dandelion
- Pouzolz's Bush
- Poverty Brome; Barren Brome
- Poverty Dropseed; Poverty Grass; Sheathed Rush Grass
- Poverty Oatgrass
- Powder Puff Mimosa
- Powdery Alligator Flag; Powdery Thalia
- Powell's Amaranth; Powell's Green Amaranth; Powell's Pigweed
- Prairie Aster; Barrens Silky Aster
- Prairie Bishop
- Prairie Broomweed; Broom Snakeroot
- Prairie Bundle Flower; Prairie Mimosa
- Prairie Buttercup
- Prairie Celestial; Prairie Pleat Leaf; Celestial Lily
- Prairie Cupgrass
- Prairie Dock; Prairie Rosinweed
- Prairie False Foxglove
- Prairie False Oats
- Prairie Indian Plantain; Tuberous Indian Plantain; Prairie Plantain
- Prairie Milkweed; Barrens Milkweed
- Prairie Parsley; Texas Parsley
- Prairie Purple Coneflower; Wavy Leaf Purple Coneflower
- Prairie Ragwort; Prairie Groundsel
- Prairie Rose
- Prairie Tea; One Seed Croton
- Prairie Three Awn; Oldfield Three Awn
- Prairie Trillium; Prairie Wakerobin; Bloody Butcher
- Prairie Wedgescale; Prairie Wedgegrass
- Prairie Willow; Dwarf Willow; Scrub Willow
- Pregnant Sedge
- Price's Potato Bean; Kentucky Groundnut; Traveler's Delight
- Prickly Bog Sedge
- Prickly Clover
- Prickly Fanpetals; Prickly Mallow; Prickly Sida
- Prickly Lettuce
- Prickly Pear
- Prickly spider flower
- Prickly-Pear
- Primrose Leaf Violet
- Primrose Peerless; Twin Sisters; Two Flower Narcissus
- Princess Pine; Tree Clubmoss; Common Ground Pine
- Princess Tree; Empress Tree
- Prism Bouchea
- Proliferous Water Pennywort; Canby's Marsh Pennywort
- Prostrate Globe Amaranth; Arrasa Con Todo
- Prostrate Sandmat; Prostrate Spurge
- Prostrate Tick Trefoil; Roundleaf Tick Trefoil; Dollar Leaf
- Prune Fruit Sedge; Wrinkle Fruit Sedge
- Puerto Rican Witch Grass
- Pumpkin Ash
- Puncture Vine; Devil's Thorn; Puncture Weed
- Purple Amaranth; Livid Amaranth
- Purple Aster; Creeping Aster; Michaux's Wood Aster
- Purple Bedstraw; Wide Leaf Bedstraw; Purple Bedstraw
- Purple Bladderwort
- Purple Bluestem; Coastal Bluestem
- Purple Chokeberry
- Purple Cliffbrake; Purple Stem Cliffbrake; Hairy Cliffbrake
- Purple Crown Vetch
- Purple Dead Nettle; Red Henbit
- Purple Disk Sunflower; Appalachian Sunflower; Dark Eye Sunflower
- Purple False Foxglove; Large Purple Gerardia
- Purple Fringeless Orchid; Pride of the Peak; Purple Spire Orchid
- Purple Head Sneezeweed
- Purple Leaf Willow Herb; Bronze Willow Herb; Eastern Willow Herb
- Purple Loosestrife; Spiked Loosestrife
- Purple Lovegrass; Petticoat Climber; Tumblegrass
- Purple Meadow Parsnip
- Purple Meadow Rue
- Purple Milkweed
- Purple Nutsedge; Cocograss; Nutgrass
- Purple Passion Flower; Maypops
- Purple Pitcher Plant; Side Saddle Pitcher Plant; Devil's Boot
- Purple Prairie Clover; Violet Prairie Clover
- Purple Queen; Purple Heart
- Purple Rocket
- Purple Sandgrass
- Purple Sedge
- Purple Shamrock; Love Plant
- Purple Silkyscale
- Purple Spikerush
- Purple Stem Aster; Swamp Aster
- Purple Top Vervain; South American Vervain
- Purple Top; Tall Redtop; Grease Grass
- Pursh's Wild Petunia
- Pygmy Flower Vetch; Small Flower Vetch
- Pygmy Pipes; Sweet Pinesap
- Pygmy Starwort
- Pyramid Magnolia; Bartram's Magnolia
Q
7 plants
R
177 plants
- Rabbit Eye Blueberry; Small Flower Blueberry; Southern Highbush Blueberry
- Rabbit Foot Clover
- Raccoon Grape; False Grape; Heartleaf Peppervine
- Racemed Milkwort; Southern Bitter Milkwort
- Ragged Goldenrod
- Ramtilla
- Rat Tail Fescue, Annual Fescue
- Rattan Vine; Alabama Supplejack; American Rattan
- Rattlesnake Fern; Virginia Grape Fern
- Rattlesnake Weed; Veiny Hawkweed
- Raven Foot Sedge; Crow Foot Sedge
- Ravenel's Hawthorn
- Ravenel's Witch Grass; Ravenel's Rosette Grass
- Rayless Mock Goldenrod
- Rayless Sunflower; Pineland Sunflower; Roundleaf Sunflower
- Reade's Hybrid Pitcher Plant
- Reclined Meadow Rue; Small Leaf Meadow Rue; Piedmont Meadow Rue
- Red Based Blue Eyed Grass
- Red Bay
- Red Buckeye
- Red Chokeberry
- Red Clover
- Red Columbine; Canadian Columbine; Eastern Columbine
- Red Fescue
- Red Hawthorn; Stolon Bearing Hawthorn
- Red Hickory; Small Pignut Hickory
- Red Hills Azalea; Colman's Azalea
- Red Lovegrass
- Red Maple
- Red Margin Zephyr Lily
- Red Milkweed
- Red Morning Glory; Redstar; Mexican Morning Glory
- Red Mountain Hawthorn
- Red Mulberry
- Red Pepper; Chile Pepper
- Red Pod Rush
- Red Purple Beebalm; Russell's Beebalm; Red Spotted Horsemint
- Red Root Amaranth; Red Root Pigweed; Rough Pigweed
- Red Root Flatsedge
- Red Seed Dandelion
- Red Seed Plantain
- Red Spider Lily
- Red Spiderling; Spreading Hogweed
- Red spike Mexican hat.
- Red Sprangletop
- Red Star Thistle; Purple Star Thistle; Caltrops
- Red Stem Stork's Bill; Heron's Bill; Red Stem Filaree
- Red Threeawn
- Red Top; Spreading Bent; Creeping Bentgrass
- Red Turtlehead; Purple Turtlehead
- Red Vein Dock; Bloody Dock; Bloody Sorrel
- Red-flowered Prickly Pear
- Redtop Panic Grass; Bent Panic Grass
- Reeves' Spirea; Double Bridal Wreath; Reeves' Meadowsweet
- Reflexed Flatsedge
- Reflexed Fruit Sedge
- Reflexed Wild Ginger
- Reimar Grass
- Related violet, Sand violet
- Relict Trillium; Confederate Wakerobin
- Rescue Grass
- Resin Dot Sunflower; Resinous Sunflower
- Resurrection Fern; Gray Polypody; Scaly Polypody
- Reversed Clover; Persian Clover
- Reznicek's Sedge
- Rhinehart’s Hybrid Rein-Orchid
- Rhodesgrass
- Ribbed Mock Bishopweed; Big Bishopweed; Eastern Mock Bishopweed
- Ribbon Leaf Pondweed
- Rice Cutgrass
- Rice Flatsedge; Rice Field Flatsedge
- Ricepaper Plant
- Richard's Yellow Eyed Grass
- Riddell's Spikemoss
- Ridge Stem False Foxglove
- Ridged Yellow Flax
- Ringed Witch Grass
- Rio Grande Copper Lily
- River Birch; Red Birch
- River Bulrush; River Club Rush
- River Oats; Indian Wood Oats; Fish on a Pole
- River Seedbox; Angle Stem Primrose Willow
- River Swamp Nutrush
- Riverbank Grape; River Grape
- Riverflat Hawthorn; Western Mayhaw
- Roadside Bittercress
- Roadside Pepperwort; Narrowleaf Pepperwort; Stinking Pepperweed
- Roanoke Witch Grass
- Robbins' Prairie Scorpion Weed
- Robbins' Spikerush
- Robin's Plantain
- Rock Buttercup
- Rock Chestnut Oak; Tanbark Oak
- Rock Clubmoss; Rock Firmoss
- Rock Muhly; Branched Muhly
- Rock Spikemoss; Ledge Spikemoss; Dwarf Spikemoss
- Rocket Larkspur; Doubtful Knight's Spur
- Rocktwist
- Rockweed; Artillery Weed
- Roger's Lobelia
- Rollins’ Wild Ginger
- Rome Hawthorn
- Rose Bluet; Pygmy Bluet
- Rose Campion; Mullein Pink
- Rose Glory Bower; Cashmere Bouquet; Mexicali Rose
- Rose Moss
- Rose of Plymouth; Annual Sea Pink
- Rose of Sharon; Althaea
- Rose Pink Zephyr Lily; Pink Rain Lily
- Rose Pogonia; Snake Mouth Orchid; Rose Crested Orchid
- Rose Rush
- Rose Shell Azalea; Early Azalea
- Rose Vervain; Rose Verbena; Rose Mock Vervain
- Rosemary Frostweed; Rosemary Sunrose
- Rosinweed Sunflower
- Rosy Camphorweed; Marsh Fleabane
- Rosy Sedge; Stellate Sedge
- Rough Barnyard Grass
- Rough Bent; Rough Bentgrass; Fly Away Grass
- Rough Blazing Star; Tall Gayfeather
- Rough Bluegrass
- Rough Boneset; Ragged Thoroughwort; Hairy Thoroughwort
- Rough Cinquefoil; Strawberry Weed
- Rough False Pennyroyal
- Rough Flatsedge; Teasel Flatsedge
- Rough Fruit Scale Seed; Forked Scale Seed
- Rough Goldenrod
- Rough Goldentop
- Rough Hair Witch Grass; Cushion Tufted Panic Grass; Rough Hair Rosette Grass
- Rough Hawthorn
- Rough Hedge Hyssop
- Rough Maidenhair Fern; Rosy Maidenhair Fern; Garden Maidenhair
- Rough Mexican Clover; Florida Pusley
- Rough Poppy; Round Prickly Head Poppy
- Rough Rattlesnake Rook
- Rough Sprangletop
- Rough Stem Aster
- Rough Stem Goldenrod; Rough Wrinkled Goldenrod
- Rough Sunflower; Roughleaf Sunflower; Pale Leaf Sunflower
- Rough Vervain; Harsh Vervain; Sandpaper Vervain
- Roughish Witch Grass; Rough Rosette Grass
- Roughleaf Thoroughwort
- Round Fruit Hedge Hyssop; Virginia Hedge Hyssop
- Round Fruit Witch Grass; Round Seed Rosette Grass
- Round Head Bush Clover; Dusty Bush Clover
- Round Head Rush; Vigorous Rush
- Round Lobed Liverleaf; Round Lobed Hepatica
- Round Pod St. John's Wort
- Round Seed St. John's Wort; Spherical Fruit St. John's Wort
- Round Stem False Foxglove; Gattinger's False Foxglove
- Roundleaf Cancerwort; Roundleaf Fluellen; Female Fluellen
- Roundleaf Catchfly; Roundleaf Fire Pink; Sandstone Fire Pink
- Roundleaf Chaste Tree; Beach Vitex
- Roundleaf Pondlily
- Roundleaf Ragwort; Running Ragwort; Roundleaf Groundsel; Squaw Weed
- Roundleaf Spurge; Heartleaf Sandmat; Heartleaf Broomspurge
- Roundleaf Sundew
- Roundleaf Toothcup
- Royal Catchfly
- Royal Fern
- Royal Flatsedge
- Royal Larkspur
- Royal Snout Bean
- Rue Anemone; Windflower
- Rue Leaf Saxifrage
- Rufous Bulrush; Red Bulrush; Nodding Bulrush
- Rufous Mayhaw
- Rugel's Nailwort
- Running Ground Pine; Running Cedar; Fan Ground Pine
- Running Oak
- Running Partridge Pea; Perennial Partridge Pea
- Rush Featherling
- Russian Olive; Oleaster
- Russian Thistle; Southern Saltwort; Tumbleweed
- Rusty Blackhaw; Southern Blackhaw; Blue Haw
- Rusty Flatsedge; Fragrant Flatsedge
- Rutabaga; Canola; Rape
S
751 plants
- Sacred Lotus; Pink Lotus; Oriental Lotus Lily
- Sacred Thorn Apple; California Jimsonweed
- Safflower
- Sage Willow; Dwarf Upland Willow; Dwarf Pussy Willow
- Sago False Pondweed; Fennel Leaf Pondweed; Sago Pondweed
- Sago Palm
- Salad Burnet; Garden Burnet; Fodder Burnet
- Salad Violet
- Sallow Sedge
- Salt Meadow Cordgrass; Saltmarsh Hay; Marsh Hay Cordgrass
- Saltgrass; Coastal Saltgrass
- Saltmarsh Bulrush; Seaside Club Rush; Sturdy Bulrush
- Saltmarsh Bushy Bluestem
- Saltmarsh Cordgrass; Smooth Cordgrass; Saltwater Cordgrass
- Saltmarsh False Foxglove
- Saltmarsh Finger Grass
- Saltmarsh Loosestrife; Narrowleaf Loosestrife
- Saltmarsh Morning Glory; Arrowleaf Morning Glory
- Saltmarsh Sand Spurry
- Saltwater False Willow
- Saltwort; Beachwort; Turtleweed
- Salzmann's Mille Graines
- Sand Bittercress; Small Flower Bittercress
- Sand Blackberry
- Sand Dune Sandbur; Dune Sandspur
- Sand dune Spurge; Southern Seaside Spurge; Dixie Sandmat
- Sand Hickory; Pale Hickory
- Sand Live Oak; Scrub Live Oak
- Sand Pine
- Sand Post Oak; Margaretta's Oak; Sandhill Post Oak
- Sand Spikemoss
- Sand Spikerush
- Sand Tick Trefoil; Matted Tick Trefoil
- Sandbar Lovegrass; Frank's Lovegrass
- Sandbar Willow
- Sandbog Death Camas; Atlantic Death Camas; Large Death Camas
- Sandhill Bean
- Sandhill Blanket Flower; Lance Leaf Blanket Flower
- Sandhill Blazing Star
- Sandhill Dropseed; Pineywoods Dropseed
- Sandhill Golden Aster; Pine Leaf Golden Aster; Taylor County Silkgrass
- Sandhill Goldenrod
- Sandhill Ground Cherry; Cypress Head Ground Cherry
- Sandhill Hawthorn
- Sandhill Jointweed
- Sandhill Pinweed
- Sandhill Spiderwort; Longleaf Spiderwort
- Sandhill St. John's Wort; Lloyd's St. John's Wort
- Sandhill St. John's-wort
- Sandhill Wild Buckwheat; Southern Wild Buckwheat; Dog's Tongue
- Sandhill Wild Petunia
- Sandvine; Bluevine; Honey Vine
- Sandy Field Beakrush; Sandhill Beaksedge
- Sandy Field Hairsedge
- Sandy woods witchgrass
- Sangamon Sedge; Festival Sedge
- Santa Maria; Feverfew
- Sargent's Hawthorn
- Sarvis Holly
- Sassafras
- Saucer Magnolia; Tulip Magnolia
- Savannah Aster; Chapman's Aster
- Savannah Beakrush; Savannah Beaksedge
- Savannah Bushy Bluestem
- Savannah Hairsedge; Capillary Hairsedge
- Savannah Hibiscus; Comfort Root; Pineland Hibiscus
- Savannah Iris
- Savannah Meadow Beauty; Smooth Meadow Beauty; Rose Meadow Beauty
- Savannah Panic Grass; Swamp Panic Grass
- Savannah Seedbox; Savannah Primrose Willow
- Savannah Sneezeweed; Spring Sneezeweed
- Savannah Star Grass; Stiff Star Grass; Chapman's Yellow Star Grass
- Savannah Sunflower; Variable Leaf Sunflower
- Savannah Thoroughwort; White Bract Thoroughwort; Justice Weed
- Savannah Tickseed, Texas Tickseed
- Savannah Yellow Eyed Grass
- Saw Greenbrier; Fringed Greenbrier; Bullbrier
- Saw Palmetto
- Saw Tooth Oak
- Saw Tooth Sunflower
- Scale Leaf Aster
- Scale Leaf False Foxglove; Leafless False Foxglove
- Scalloped Milkwort; Crenate Milkwort
- Scaly Blazing Star; Scaly Gayfeather; Loose Scale Gayfeather
- Scapose Barbara's Buttons
- Scarlet Creeper; Scarlet Morning Glory
- Scarlet Firethorn
- Scarlet Flax; Flowering Flax
- Scarlet Hibiscus; Scarlet Rose Mallow
- Scarlet Milkweed
- Scarlet Oak
- Scarlet Runner Bean
- Scarlet Spiderling; Wine Flower
- Scarlet Wild Basil; Scarlet Calamint; Red Mint Shrub
- Scarlet Wisteria Tree; Purple Sesban; Purple River Hemp
- Scentless Mayweed; False Mayweed; False Chamomile
- Scentless Mock Orange; Appalachian Mock Orange; Common Mock Orange
- Schwerin's false indigo
- Scotch Broom
- Scotch Thistle; Cotton Thistle
- Scott's Spleenwort
- Scribner's Grass
- Scribner's Witch Grass
- Scurf Hoary Pea
- Sea Lettuce Pondlily
- Sea Oats
- Seashore Crowngrass; Sand Knotgrass
- Seashore Dropseed; Coastal Dropseed
- Seashore Orach; Crested Saltbush
- Seaside Evening Primrose; Seabeach Evening Primrose; Spreading Evening Primrose
- Seaside Heliotrope
- Seaside Knotweed; Seabeach Knotweed
- Seaside Little Bluestem; Dune False Bluestem
- Seaside Oxeye; Bushy Seaside Tansy
- Seaside Pennywort; Coastal Pennywort; Dune Water Pennywort
- Seaside Petunia; Wild Petunia
- Seaside Primrose Willow; Harper's Seedbox
- Seaside Three Awn; Seabeach Needlegrass
- Seep Rush; Pennsylvania Rush; Naked Fruit Rush
- Seepage starwort
- Seminole False Foxglove
- Sensitive Fern; Bead Fern
- September Elm; Southern Red Elm
- Septicweed; Coffee Senna; Arsenic Bean
- Sesame; Beniseed
- Sessile Joyweed
- Sessile Leaf Bellwort; Small Bellwort
- Sessile Leaf Bugleweed; Clasping Water Horehound
- Sessile Leaf Pineland Cress; Sessile Leaf Warea
- Sessile Leaf Tick Trefoil
- Sessile Trillium; Toad Trillium; Sessile Toadshade
- Shade Mudflower
- Shadow Witch
- Shagbark Hickory
- Shaggy Crabgrass
- Shaggy Hedge Hyssop; Hairy Hedge Hyssop
- Shale Barren Skullcap; Glade Skullcap; Leonard's Skullcap
- Sharp Fruit Rush; Knot Leaf Rush
- Sharp Lobed Liverleaf; Sharp Lobed Hepatica
- Sharp Scale Club Rush
- Sharp Scale Flatsedge
- Sharp Scale Sedge
- Sharp's Sundrops
- Sharpleaf Cancerwort; Sharpleaf Fluellen
- Sharpleaf Goldenrod; Sharp Tooth Goldenrod
- Sharpleaf Ground Cherry
- Sharpleaf St. John's Wort
- Shasta Daisy
- Shatter Cane; Sudan Grass; Chicken Corn
- Sheathed Flatsedge
- Sheep Bur; Paraguayan Starbur; Guay Greenstripe
- Sheep Sorrel; Red Dock; Red Sorrel
- Shepherd's Needle; Venus' Comb; Crow's Needles
- Shepherd's Purse
- Shingle Oak
- Shining Clubmoss; Shining Firmoss
- Shining Fetterbush; Hurrah Bush; Horse Wicky
- Shining Flatsedge
- Shining Indigo Bush; Dark Indigo Bush; Shining False Indigo
- Shining Ladies' Tresses; Wide Leaf Ladies' Tresses
- Shining Nutrush
- Shining Witch Grass
- Shiny Blueberry; Southern Evergreen Blueberry
- Shiny Coneflower.
- Shiny Spanglegrass; Shiny Wood Oats
- Shiny Wedgescale
- Shoal Weed; Shoal Grass; Sea Grass
- Shoestring Fern
- Shore Juniper
- Shoreline Sea Purslane; Large Sea Purslane
- Shoreline Sedge
- Short Beak Arrowhead; Midwestern Arrowhead
- Short Beak Baldrush; Short Beak Beaksedge
- Short Beak Sedge
- Short Beard Plume Grass
- Short Bristle Beakrush; Horned Beakrush; Short Bristle Horned Beaksedge
- Short bristle beaksedge, Gale's Beaksedge
- Short Bristle Umbrella Sedge; Saltmarsh Umbrella Sedge
- Short Fruit Rush; White Root Rush
- Short Pod Whitlow Grass
- Short Seed Waterwort
- Short Spike Bluestem
- Short Stalk Chickweed; Short Stalk Mouse Ear Chickweed
- Short Stem Iris; Zigzag Iris; Lamance Iris
- Short Whorled Milkwort
- Short's Aster; Midwestern Heartleaf Aster
- Short's Chervil
- Short's Clubmoss
- Short's Hedge Hyssop
- Shortleaf Blazing Star; Shortleaf Gayfeather
- Shortleaf Lobelia
- Shortleaf Manna Grass; Slim Skeleton Grass; Slim Manna Grass
- Shortleaf Pine; Rosemary Pine; Yellow Pine
- Shortleaf Rose Gentian
- Shortleaf Sneezeweed; Bog Sneezeweed; Little Leaf Sneezeweed
- Shortleaf Spikesedge; Perennial Greenhead Sedge
- Shortleaf St. John's Wort; Coastal Plain St. John's Wort
- Shortleaf Witch Grass
- Shortleaf Yellow Eyed Grass
- Showy Baby's Breath; Annual Baby's Breath
- Showy Goldenrod
- Showy Jointweed; Common October Flower
- Showy Milkwort
- Showy Orchis; Purple Hooded Orchis
- Showy Rattlebox
- Showy Sunflower
- Showy Water Primrose; Large Flower Primrose Willow
- Shrubby False Buttonweed
- Shrubby Seedbox; Shrubby Primrose Willow
- Shrubby St. John's Wort
- Shumard's Oak; Swamp Red Oak
- Siberian Iris
- Sicklepod; Canadian Rockcress
- Side Beak Pencil Flower
- Side Oats Grama
- Silktree; Mimosa
- Silky Camellia
- Silky Dogwood; Silky Cornel; Knob Style Dogwood
- Silky Morning Glory; Silver Dwarf Morning Glory; Creeping Morning Glory
- Silky Willow
- Silver Beardgrass; Sliver Bluestem
- Silver Cock's Comb
- Silver Croton; Healing Croton
- Silver Lace Vine; China Fleece Vine; Bukhara Fleece Flower
- Silver Maple
- Silver Plume Grass
- Silverleaf Grape
- Silverleaf Nightshade; White Horse Nettle
- Silverling; Groundsel Bush; Salt Myrtle
- Silvery Cudweed
- Silvery Glade Fern; Silvery Spleenwort
- Silvery Nailwort
- Simmonds’s Aster
- Simple Stem Cudweed
- Simpler Holly Fern
- Simpson's Rosinweed
- Single Flower Sandwort; Piedmont Sandwort; One Flower Stitchwort
- Single Head Pussy Toes; Solitary Pussytoes
- Single Sorus Spleenwort
- Single Stem Leather Root
- Singletary Pea; Singletary Vetchling; Caley Pea
- Sister Hawthorn
- Six Weeks Fescue
- Skunkvine
- Sky Blue Aster; Azure Aster
- Slash Pine
- Sleepy Catchfly; Garter Pink
- Sleepy Morning; Monkey Bush; Basora Prieta
- Slender Adder's Tongue; Least Adder's Tongue
- Slender Amaranth; Tropical Green Amaranth
- Slender Beakrush; Slender Beaksedge
- Slender Blazing Star; Slender Gayfeather
- Slender Blue Iris; Slender Blue Flag
- Slender Bluestem; Slender False Bluestem
- Slender Bunchflower
- Slender Bush Clover; Virginia Lespedeza
- Slender centaury
- Slender Crabgrass
- Slender Crowngrass; Thin Crowngrass
- Slender Dayflower; White Mouth Dayflower; Erect Dayflower
- Slender dwarf morning glory
- Slender False Buttonweed
- Slender False Foxglove
- Slender False Pimpernel; Long Stalk False Pimpernel; Clasping False Pimpernel
- Slender Fimbry
- Slender Fruit Beakrush; Slender Fruit Beaksedge
- Slender Fruit Nutrush; Georgia Nutrush
- Slender Goldentop; Coastal Plain Goldentop
- Slender leaf clammyweed; pineland catchfly
- Slender Leaf False Foxglove
- Slender Leaf Fleabane
- Slender Leaf Rattlebox
- Slender Meadow Foxtail; Mouse Foxtail; Slender Foxtail Grass
- Slender Muhly; Dune Hairgrass; Sweet Grass
- Slender Parsley Piert
- Slender Plantain; Many Seed Plantain
- Slender Pondweed
- Slender Pride of Rochester
- Slender Rose Gentian; Bog Marsh Pink; Slender Marsh Pink
- Slender Rosinweed
- Slender Sandbur
- Slender Scratch Daisy; Slender Spring Gold
- Slender Sea Purslane; Small Sea Purslane
- Slender Sedge
- Slender Showy Goldenrod
- Slender Snake Cotton; Slender Cottonweed
- Slender Sow Thistle
- Slender Spikegrass; Slender Wood Oats
- Slender Stalk Beeblossom; Threadstalk Gaura; Slender Gaura
- Slender Stem Witch Grass
- Slender Three Seed Mercury; Short Stalk Copperleaf
- Slender Toothwort
- Slender Water Nymph; Thread Like Niad; Slender Naiad
- Slender Wedgescale; Slender Wedgegrass
- Slender Wild Basil; Slender Calamint
- Slender Wood Sorrel; Tufted Wood Sorrel
- Slender Woodland Sedge
- Slick Seed Fuzzy Bean; Smooth Seed Wild Bean; Small Flower Sand Bean
- Slim Flower Muhly; Slender Muhly
- Slim Leaf Pawpaw; Dog Apples
- Slim Leaf Tick Trefoil
- Slim Pod Rush; Diffuse Rush
- Slim Spike Three Awn; Slender Three Awn
- Slim Spikerush
- Slippery Bur; Widdy Widdy Bush; Broomweed
- Slippery Elm; Red Elm
- Small Beaked Panic Grass
- Small Black Blueberry; Southern Blueberry; Small Cluster Blueberry
- Small Butterwort
- Small Carp Grass; Joint Head
- Small Coastal Germander
- Small Flower Baby Blue Eyes; Eastern Baby Blue Eyes
- Small Flower Buckthorn; Shell Mound Buckthorn; Climbing Buckthorn
- Small Flower Buttercup; Stickseed Crowfoot; Small Flower Crowfoot
- Small Flower Catchfly; Windmill Pink
- Small Flower False Hellebore; Appalachian Bunchflower; Mountain Bunchflower
- Small Flower Ground Cherry
- Small Flower Halfchaff Sedge
- Small Flower Hawk's Beard
- Small Flower Lupine
- Small Flower Ox Tongue
- Small Flower Rock Pink
- Small Flower Scorpion Weed; Appalachian Scorpion Weed; Small Flower Phacelia
- Small Flower Seedbox; Cylindric Fruit Primrose Willow
- Small Flower Thoroughwort
- Small flowered milk vetch
- Small Fruit Beggarticks; Coastal Plain Tickseed Sunflower; Florida Marigold
- Small Fruit Pawpaw; Small Flower Pawpaw
- Small Fruit Seedbox; Small Fruit Primrose Willow
- Small Fruit Spikerush
- Small Fruit Witch Grass; Cypress Witch Grass
- Small Head Beakrush; Capitate Beakrush; Small Head Beaksedge
- Small Head Blazing Star; Small Head Gayfeather
- Small Head Marsh Elder
- Small Head Rush
- Small Head Silkgrass
- Small Head Sunflower; Small Woodland Sunflower
- Small Jack-in-the-Pulpit
- Small Leaf Arrow Wood; Walter's Viburnum
- Small Leaf Axil Flower
- Small Leaf Wandering Jew; Wandering Willy
- Small Leaf Witch Grass; Sword Leaf Panic Grass
- Small Pondweed
- Small Spike Barnyard Grass
- Small Spikerush
- Small Spreading Pogonia; Small Rosebud Orchid
- Small Thyme-Leaved Sandwort
- Small Venus' Looking Glass
- Small White Clover; Ball Clover
- Small White Morning Glory; White Star; Pitted Morning Glory
- Small-flowered Crane's-bill
- Small's Beakrush
- Small's Beardtongue; Blue Ridge Beardtongue
- Small's Black Snakeroot
- Small's Bogbuttons; Brown Bogbuttons
- Small's White Ash
- Small's Yellow Eyed Grass
- SMALLFLOWERED PONYSFOOT
- Smith's Sunflower
- SMOKY BALM
- Smooth Aster; Smooth Blue Aster
- Smooth Azalea; Sweet Azalea
- Smooth Beggarticks; Showy Bur Marigold
- Smooth Blackhaw; Plumleaf Viburnum
- Smooth Brome
- Smooth Brome; Hungarian Brome
- Smooth Bur Clover; Toothed Medick
- Smooth Carrion Flower; Common Carrion Flower
- Smooth Cat's Ear
- Smooth Cliff-brake
- Smooth Crabgrass
- Smooth Elephant's Foot
- Smooth Elmleaf Goldenrod
- Smooth False Buttonweed
- Smooth Forked Nailwort; Canadian Whitlow Wort; Smooth Forked Chickweed
- Smooth Fruit Chervil
- Smooth Green Amaranth; Slim Amaranth; Smooth Pigweed
- Smooth Ground Cherry, Longleaf Groundcherry
- Smooth Hedge Nettle
- Smooth Highbush Blueberry
- Smooth Jointgrass; Florida Joint Tail Grass
- Smooth Joyweed
- Smooth Loosestrife; Four Flower Loosestrife; Prairie Loosestrife
- Smooth Northern Spicebush; Benjamin Bush
- Smooth Nutrush
- Smooth Oxeye; Smaller Oxeye; Coastal Plain Sunflower Everlasting
- Smooth Peach
- Smooth Phlox
- Smooth Rattlebox
- Smooth Rockcress
- Smooth Rose Mallow; Halberd Leaf Rose Mallow; Showy Hibiscus
- Smooth Sheath Sedge
- Smooth Solomon's Seal; Small Solomon's Seal
- Smooth Sumac; Scarlet Sumac
- Smooth Tick Trefoil
- Smooth Vetch; Winter Vetch
- Smooth Water Hyssop; Herb of Grace; Monnier's Water Hyssop
- SMOOTH WHITE OLDFIELD
- Smooth Yellow Foxglove; Eastern Smooth Oak Leach; Smooth Yellow False Foxglove
- Smooth Yellow Violet; Smooth Yellow Forest Violet
- Smut Grass; Black Seed; West Indian Dropseed
- Snow Camellia
- Snow on the Mountain; Ghost Weed; Summer Icicle
- Snow Squarestem
- Snowdrop
- Snowy Orchid; White Rein Orchid; White Frog Arrow
- Soapwort Gentian; Harvest Bells; Bottle Gentian
- Soda Apple; Cockroach Berry
- Soft Bradburia Bush
- Soft Brome; Soft Chess; Lop Grass
- Soft Fox Sedge
- Soft Hair Coneflower; Woolly Coneflower
- Soft Hair Marbleseed; Soft False Gromwell
- Soft Leaf Witch Grass; Soft Leaf Rosette Grass
- Soft Milk Pea
- Soft Rush; Lamp Rush
- Soft Stem Bulrush; Soft Stem Club Rush
- Softhair Marbleseed
- Soldier Orchid; Lawn Orchid
- Solomon's Plume; False Solomon's Seal; False Spikenard
- Sour Crowngrass
- Sour Grass
- Sourwood; Sorrel Tree
- South American Horseweed; Asthma Weed
- South American Mexican Clover; Ground Pusley
- South American Skullcap
- Southeastern Annual Saltmarsh Aster
- Southeastern Bold Goldenrod
- Southeastern Coneflower; Coastal Plain Cutleaf Coneflower
- Southeastern Panic Grass
- Southeastern Sneezeweed
- Southeastern Tansy Mustard
- Southeastern Wild Rye
- Southern Adder's Tongue; Common Adder's Tongue
- Southern Appalachian Beebalm
- Southern Arrow Feather; Hillsboro Three Awn
- Southern Arrow Wood
- Southern Arrowhead; Long Beak Arrowhead
- Southern Bald Cypress
- Southern Barren Strawberry
- Southern Basswood; Carolina Basswood
- Southern Beakrush; Southern Beaksedge
- Southern Beardtongue; Sandhill Beardtongue; Eustis Lake Beardtongue
- Southern Beeblossom; Southeastern Gaura
- Southern Blackberry; Saw Tooth Blackberry; Highbush Blackberry
- Southern Bladderwort
- Southern Blue Monkshood; Eastern Blue Monkshood; Appalachian Blue Monkshood
- Southern Blue Ridge Sedge
- Southern Bluet; Small Flower Bluet
- Southern Bluethreads; Cap Burmannia; White Burmannia
- Southern Bog Goldenrod; Graceful Goldenrod; Virginia Goldenrod
- Southern Bush Honeysuckle; Sessile Leaf Bush Honeysuckle
- Southern Butterwort; Clearwater Butterwort
- Southern Cat Tail
- Southern Catalpa; Cigar Tree; Caterpillar Tree
- Southern Coastal Violet
- Southern Crabapple
- Southern Crabgrass
- Southern Crownbeard; Yellow Crownbeard
- Southern Cutgrass; Club Head Cutgrass
- Southern Dawnflower; Trailing Morning Glory
- Southern Dewberry; Coastal Plain Dewberry
- Southern Doll's Daisy; Small Head Doll's Daisy
- Southern Dwarf Huckleberry; Gopher Berry
- Southern Elephant's Foot; Tall Elephant's Foot
- Southern Fimbry
- Southern Flatsedge
- Southern Foamflower
- Southern Fumewort; Southern Corydalis
- Southern Goldenrod
- Southern Grape Fern; Sparse Lobe Grape Fern
- Southern Green and Gold; Gulf Coast Green and Gold
- Southern Harebell; Appalachian Bellflower; Southern Bellflower
- Southern Hoary Mountain Mint
- Southern Hoary Skullcap; Downy Skullcap
- Southern Horsebalm; Anise Horsebalm; Blue Ridge Horsebalm
- Southern Horseweed
- Southern Jointweed
- Southern Lady Fern; Lowland Lady Fern
- Southern Lady's Slipper; Kentucky Yellow Lady's Slipper
- Southern Lobelia
- Southern Long Sedge; Spear Fruit Sedge
- Southern Loosestrife; Appalachian Loosestrife; Southern Yellow Loosestrife
- Southern Magnolia; Bull Bay; Flowering Magnolia
- Southern Maidenhair Fern; Venus' Hair Fern
- Southern Marsh Yellowcress
- Southern Meadow Rue; Trailing Meadow Rue
- Southern Milkweed
- Southern Mountain Mint
- Southern New Jersey Tea; Red Root
- Southern Nodding Trillium; Ill Scented Wakerobin
- Southern Obedient Plant
- Southern Prairie Aster; Prairie Wood Aster; Southern Aster
- Southern Prickly Ash; Hercules' Club; Pepper Bark
- Southern Quillwort; Florida Quillwort
- Southern Rattlesnake Master
- Southern Red Cedar; Coastal Red Cedar
- Southern Red Oak; Spanish Oak
- Southern Red Trillium; Barksdale's Trillium; Furrowed Wakerobin
- Southern Rein Orchid; Pale Green Orchid; Southern Gypsy Spike
- Southern Rockbell; Tufty Bells
- Southern Rosinweed
- Southern Roughleaf Goldenrod
- Southern Sandbur; Hedgehog Grass; Bristly Sandspur
- Southern Sandgrass; Perennial Sandgrass
- Southern Sea Blite; Annual Seepweed
- Southern Seabeach Grass
- Southern Seashore Mallow; Virginia Fen Rose; Virginia Saltmarsh Mallow
- Southern Seaside Goldenrod
- Southern sedge
- Southern Sedge
- Southern Shagbark Hickory; Carolina Shagbark Hickory; Carolina Hickory
- Southern Shield Fern; Kunth's Maiden Fern; Widespread Maiden Fern
- Southern Sister Hawthorn
- Southern Skullcap
- Southern Slender Ladies' Tresses
- Southern Spicebush; Pondberry; Hairy Spicebush; Jove's Fruit
- Southern Sundial Lupine
- Southern Sundrops
- Southern Three Awn; Chapman's Three Awn
- Southern Toothed Viburnum
- Southern Twayblade; Long Lip Twayblade
- Southern Umbrella Sedge
- Southern Water Hemp; Southern Amaranth
- Southern Water Purslane; Spoon Primrose Willow; Spathulate Seedbox
- Southern Watergrass; Silverleaf Grass
- Southern Waxy Sedge; Pale Sedge; Clustered Sedge
- Southern Wedge-Leaf Violet
- Southern Whitetop; Pocosin Flat Top Aster
- Southern Winged Loosestrife
- Southern Wiregrass
- Southern Woodland Violet
- Southern Woolly Violet; Carolina Violet; Downy Violet
- Southwestern Annual Saltmarsh Aster
- Southwestern Bedstraw; Ozark Bedstraw
- Southwestern Cloak Fern; Hybrid Cloak Fern; Star Scale Cloak Fern
- Soybean
- Spach's evening primrose.
- Spanish Bayonet; Spanish Dagger; Aloe Yucca
- Spanish Clover; Creeping Beggar Ticks; Zarzabacoa Comun
- Spanish Iris
- Spanish Moss; Old Man's Beard
- Spanish needles
- Spanish Needles
- Spanish-gold; Wax Goldenweed
- Sparkleberry; Farkleberry; Tree Huckleberry
- Spear Bract Blue Eyed Grass
- Spearleaf Swamp Mallow
- Spearmint
- Spider Brake; Wall Brake; Huguenot Fern
- Spider Plant
- Spiderwisp; African spider flower
- Spiked Hoary Pea; Loose Flower Goat's Rue
- Spiked Wild Indigo; Narrow Pod White Wild Indigo
- Spindle Fruit Witch Grass
- Spineless Bramble Fern; Soft Ground Fern
- Spineless Hornwort
- Spiny Amaranth; Thorny Amaranth
- Spiny Cocklebur; Thorny Clotbur
- Spiny Fruit Buttercup; Rough Fruit Buttercup; Prickly Fruit Buttercup
- Spiny Leaf Sow Thistle; Prickly Sow Thistle
- Spiny Sandy Spurrey
- Spiny Spider flower
- Split Beard Bluestem
- Spoon Leaf Cudweed; Purple Everlasting; Purple Cudweed
- Spoon Leaf Sundew; Water Sundew
- Spotted Knapweed; Bushy Knapweed
- Spotted Medick; Spotted Bur Clover
- Spotted Pondweed; Heartleaf Pondweed
- Spotted Scorpion Weed; Flatrock Phacelia; Spotted Phacelia
- Spotted Sheath Witch Grass; Yadkin Panic Grass
- Spotted St. John's Wort
- Spotted Trillium; Spotted Wakerobin; Mottled Trillium
- Spotted Water Hemlock; Spotted Cowbane
- Spotted Wintergreen; Striped Prince's Pine; Pipsissewa
- Sprawling Hoary Pea; Rusty Hoary Pea
- Sprawling Signalgrass; Sprawling Liverseed Grass
- Sprawling White Tassels
- Spreading Amaranth; Club Foot Amaranth
- Spreading Beakrush; White Seed Beaksedge; Spreading Beaksedge
- Spreading Bladder Fern; Lowland Bladder Fern
- Spreading Bulrush
- Spreading Cinchweed
- Spreading Dogbane
- Spreading False Foxglove; Cumberland Oak Leach; Spreading Yellow False Foxglove
- Spreading Jacob's Ladder; Greek Valerian
- Spreading Muhly; Savannah Hairgrass
- Spreading Rockcress
- Spreading Sandwort
- Spreading Scale Seed; Red River Scale Seed
- Spreading Sedge
- Spreading spider flower
- Spreading Spurge; Spreading Sandmat
- Spreading Wallflower; Bushy Wallflower; Treacle Mustard
- Sprenger's Asparagus-Fern
- Spring Avens
- Spring Blossom
- Spring Blue Eyed Mary; Eastern Blue Eyed Mary
- Spring Coral Root; Wister's Coral Root
- Spring Forget Me Not; Early Forget Me Not
- Spring Hill Flax
- Spring Ladies' Tresses
- Spring Spider Lily
- Spring Vetch
- Spring Whitlow Grass
- Springstar
- Spruce Pine; Walter's Pine
- Spurge Flax; Mezereon
- Spurge Nettle; Tread Softly; Finger Rot
- Spurred Butterfly Pea
- Square Stem Rose Gentian; Common Rose Pink; Bitter Bloom
- Square Stem Spikerush
- Squareflower; Beach Sand Squares
- Squarehead; Pineland Ginseng; Pineland Nerve Ray
- Squarrose Sedge
- Squash; Gourd; Field Pumpkin
- Squirrel Tail Fescue
- Squirting Cucumber
- St. Andrew's Cross
- St. Augustine Grass
- St. Bernard Oak
- St. John's Wort-leaved Spurge
- St. Joseph's Lily; Hardy Amaryllis
- St. Mark's False Foxglove
- St. Peter's Wort
- Stag's Horn Clubmoss
- Staghorn Clubmoss; Nodding Clubmoss
- Staghorn Sumac; Hairy Sumac
- Stalk Grain Sedge
- Stalked Adder's Tongue; Long Stem Adder's Tongue
- Stalked Bugleweed; Taper Leaf Water Horehound; Taper Leaf Bugleweed
- Stalked wild petunia
- Stalkless Marshcress; Stalkless Yellowcress
- Standing Cypress; Scarlet Gilia
- Standish's Honeysuckle
- Star Chickweed; Giant Chickweed; Great Chickweed
- Star of Bethlehem; Snowflake; Nap at Noon
- Star Tickseed
- Starch Grape Hyacinth
- Starry Campion; Widow's Frill
- Starry Rosinweed; Common Rosinweed
- Starved Witch Grass; Starved Panic Grass; Starved Rosette Grass
- Stemless Evening Primrose
- Sticky Chickweed; Sticky Mouse Ear Chickweed
- Sticky False Foxglove; Southern Oak Leach; Comb Leaf Yellow False Foxglove
- Sticky Hedge Hyssop
- Sticky Joint Vetch; Northern Joint Vetch; Sensitive Joint vetch
- Sticky Nightshade; Fire and Ice
- Sticky Rosinweed
- Stiff Bluestars; Pond Bluestars
- Stiff Cowbane; Common Water Dropwort; Pig Potato
- Stiff Greenthread
- Stiff Hair Sunflower; Hairy Sunflower; Whiskered Sunflower
- Stiff Leaf Witch Grass; Rigid Witch Grass; Low Stiff Witch Grass
- Stiff Marsh Bedstraw; Three Lobed Bedstraw; Clayton's Bedstraw
- Stiff Spadeleaf; Coinleaf; Erect Spadeleaf
- Stiff Tick Trefoil
- Stiff Verbena; Tuberous Vervain; Rigid Verbena
- Stiletto Beaksedge
- Stink Grass
- Stinking Camphorweed; Stinking Fleabane; Marsh Fleabane
- Stinking Chamomile; Stinking Mayweed; Dog Fennel
- Stinking Goosefoot
- Stokes' Aster
- Stone Mountain Beakrush
- Stout Rush; Jointed Rush
- Straggler Daisy; Lawn Flower
- Strap Leaved Violet
- Straw Color Flatsedge; False Nutsedge; Galingale
- Strawberry Tomato; Gray Ground Cherry; Dwarf Cape Gooseberry
- Strawstem Beggarticks
- Stream Bog Moss
- Streambank Spider Lily
- Stringy Stonecrop; Graveyard Moss; Gold Moss
- Striped Bladderwort; Fibrous Bladderwort
- Striped Cream Violet; Cream White Violet; Creamy Violet
- Striped Gentian; Pale Gentian
- Sugar Maple
- Sugarberry; Southern Hackberry; Mississippi Hackberry
- Sulphur Bamboo
- Sulphur Cinquefoil; Sulphur Five Fingers; Rough Fruit Cinquefoil
- Sulphur Cosmos; Orange Cosmos
- Summer Bluet; Venus' Pride; Purple Bluet
- Summer Grape
- Summer Phlox; Fall Phlox; Garden Phlox
- Summer Snowflake; Giant Snowflake
- Summer Spurge
- Sun Facing Coneflower; Pineywoods Coneflower; Little River Black Eyed Susan
- Sun Spurge; Wartweed; Mad Woman's Milk
- Sunflower Crownbeard; Ozark Crownbeard; Gravelweed
- Sunn Hemp
- Sunny Hawthorn
- Supine Vervain
- Swamp Agrimony; Small Flower Agrimony; Harvestlice
- Swamp Allegheny Hawthorn
- Swamp Azalea; Clammy Azalea
- Swamp Bay
- Swamp Beggarticks; Small Beggarticks; Few Bract Beggarticks
- Swamp Bulrush; Canby's Club Rush; Canby's Bulrush
- Swamp Chestnut Oak; Cow Oak
- Swamp Cottonwood; Swamp Poplar
- Swamp Dock; Whorled Water Dock
- Swamp Doghobble; Sweetbells; Coastal Fetterbush
- Swamp Dogwood; Stiff Dogwood; Stiff Cornel
- Swamp Fern; Toothed Midsorus Fern
- Swamp Flatsedge
- Swamp Forest Beakrush; Swamp Forest Beaksedge
- Swamp Forest Milkweed; Shore Milkweed; Aquatic Milkweed
- Swamp Hornpod; Small Leaf Miterwort
- Swamp Jessamine; Rankin's Trumpet Flower
- Swamp Leather Flower; Southern Leather Flower; Curly Leather Flower
- Swamp Loosestrife; Water Oleander; Willow Herb
- Swamp Milkwort
- Swamp Oats; Swamp False Oats; Marsh False Oats
- Swamp Rose
- Swamp Rush
- Swamp Sawgrass; Jamaica Swamp Sawgrass
- Swamp Smartweed; Mild Water Pepper
- Swamp Stargrass; Curtiss' Star Grass; Swamp Yellow Star Grass
- Swamp Thistle
- Swamp Tickseed; Coastal Plain Tickseed
- Swamp Titi; Southern Leatherwood
- Swamp Tupelo; Water Gum; Swamp Black Gum
- Swamp White Oak
- Swan's Sedge
- Swaying Club Rush
- Sweet Acacia; Mealy Wattle; Needle Bush
- Sweet Alyssum; Sweet Alison
- Sweet Bay Magnolia
- Sweet Birch; Cherry Birch
- Sweet Broom; Licorice Weed; Goatweed
- Sweet Crabapple; Wild Crabapple
- Sweet Gallberry; Tall Inkberry; Large Gallberry
- Sweet Goldenrod; Anise Scented Goldenrod; Licorice Goldenrod
- Sweet Gum; Red Gum
- Sweet Mock Orange
- Sweet Pea
- Sweet Potato
- Sweet Scent; Southern Saltmarsh Fleabane
- Sweet Scented Joe Pye Weed; Purple Node Joe Pye Weed
- Sweet Tanglehead
- Sweet Vernal Grass
- Sweet White Violet
- Sweet William
- Sweet Wood Reed; Common Wood Reed; Stout Wood Reed
- Sweetbriar Rose
- Sweetflag; Calamus
- Switch Cane; Small Cane
- Switchgrass; Wand Panic Grass
- Swollen Bladderwort; Inflated Bladderwort; Floating Bladderwort
- Sword Bogmat, Florida Mudmidget
T
205 plants
- Tabaquillo
- Tag Alder; Hazel Alder; Brookside Alder
- Tahitian Bridalveil
- Tailed Bracken Fern; Southern Brake
- Taiwan Cherry
- Taiwanese Redtip
- Tall Amaranth; Rough Fruit Water Hemp; Inland Water Hemp
- Tall Beakrush; Tall Horned Beaksedge
- Tall Beggarticks
- Tall Bush Clover; Stueve's Bush Clover; Velvety Lespedeza
- Tall Buttercup; Bitter Buttercup
- Tall Dropseed; Composite Dropseed
- Tall Fescue; Alta Fescue
- Tall Flat Panic Grass
- Tall Flatsedge
- Tall Goldenrod; Common Goldenrod
- Tall Hairy Agrimony; Common Agrimony; Tall Hairy Groovebur
- Tall Indigo Bush; Bastard Indigo; False Indigo
- Tall Jointweed; Wireweed
- Tall Knotweed; Yellow Flower Knotweed
- Tall Lettuce; Wild Lettuce
- Tall Meadow Rue; Late Meadow Rue; King of the Meadow
- Tall Oatgrass
- Tall Pinebarren Milkwort
- Tall Rattlesnake Root
- Tall Scouring Rush; Common Scouring Rush
- Tall Swamp Witch Grass
- Tall Thimbleweed; Tall Anemone
- Tall Thistle; Roadside Thistle
- Tall Thoroughwort
- Tall Tickseed
- Tall Yellow Eyed Grass
- Talladega Wild Basil
- Tallapoosa Cane, Alabama Cane, Brittle Cane
- Tallow Weed; Hooker's Plantain; California Plantain
- Tansy Dogshade; Arkansas Dogshade
- Tansy Rosinweed
- Taper Leaf Flatsedge
- Taper Tip Cupgrass
- Tarheel Sedge; South Carolina Sedge
- Tassel Grape Hyacinth
- Teal Lovegrass
- Ten Angle Pipewort; Hatpins; Hard Heads
- Ten Lobe False Foxglove
- Ten Petal Thimbleweed; Eastern Prairie Anemone; Glade Windflower
- Tennessee Bladder Fern
- Tennessee Chickweed; Tennessee Starwort
- Tennessee Leafcup
- Tennessee Milk Vetch
- Tennessee Mountain Mint; Stone Mountain Mint
- Tennessee Yellow Eyed Grass
- Terrestrial Water Starwort
- Texas Bindweed
- Texas Bluegrass
- Texas Chervil
- Texas Croton
- Texas False Dandelion; Small Flower Desert Chicory
- Texas Geranium
- Texas Ironweed
- Texas Millet; Texas Signalgrass; Texas Liverseed Grass
- Texas Paintbrush; Entire Leaf Indian Paintbrush
- Texas Pipewort; Texas Hatpins
- Texas Prickly Pear
- Texas Red Oak; Nuttall's Oak
- Texas Sedge
- Texas Star
- Texas Sunnybells; Wright's Sunnybells
- Texas Toadflax
- Texas Vervain
- Texas Weed; Sacatrapo
- Texas Woodsorrel
- Texas Yellow Flax
- Thalia Lovegrass
- Thart's Stonecrop
- Thick Root Buttercup; Early Buttercup
- Thicket Bean; Wild Bean; Wild Kidney Bean
- Thicket Sedge; Hidden Fruit Sedge
- Thin Dropseed
- Thin Fruit Sedge; Flaccid Fruit Sedge
- Thin Leaf Mountain Mint; Appalachian Mountain Mint
- Thinleaf Downy Ground Cherry
- Thistle Leaf Aster; Prickly Grassleaf Aster
- Thorne's Beakrush; Thorne's Beaksedge
- Thorne's Sedge
- Thorny Olive; Thorny Silver Berry; Silverthorn
- Threadleaf Arrowhead; Awl Leaf Arrowhead; Narrowleaf Arrowhead
- Threadleaf Beakrush; Threadleaf Beaksedge
- Threadleaf False Foxglove
- Threadleaf Mock Bishopweed; Atlantic Bishopweed; Herb William
- Threadleaf Sandhill Bluestars
- Threadleaf Sundrops; Flaxleaf Sundrops; Threadleaf Evening Primrose
- Three Angle Spikerush
- Three Birds Orchid; Nodding Pogonia; Nodding Ettercap
- Three Flower Hawthorn
- Three Flower Melic Grass
- Three flowered beggar's lice
- Three Lobe Buttercup
- Three Lobe Coneflower; Brown Eyed Susan; Thin Leaf Coneflower
- Three Lobe False Mallow
- Three Nerve Duckweed; Lesser Duckweed
- Three Part Violet; Three Part Leaf Violet
- Three Rib Arrowgrass; Southern Arrowgrass
- Three Spike Goose Grass
- Three Way Sedge; Pond Sedge
- Thunberg's Bush Clover
- Thyme Leaf Loosestrife
- Thyme Leaf Pinweed
- Thyme Leaf Sandwort
- Thyme Leaf Speedwell
- Ticklegrass; Small Bentgrass; Winter Bent
- Tidal Marsh Obedient Plant; Swamp Obedient Plant; Slender Leaf False Dragonhead
- Tie Vine; Pink Morning Glory; Coastal Morning Glory
- Tiger Lily
- Tight Leaf Clubmoss; Southern Clubmoss; Appressed Bog Clubmoss
- Timid Sedge
- Timothy Canary Grass
- Tinted Woodland Spurge; Wood Spurge
- Tiny Bluet; Small Bluet; Star Violet
- Tiny Mousetail
- Tiny Vetch; Hairy Tare; Sparrow Vetch
- Tiny Vetchling; Tiny Pea; Low Peavine
- Toad Rush
- Tomentose Gopherweed
- Toothache Grass; Orange Grass
- Toothed Corn Salad
- Toothed Flatsedge
- Toothed Rosinweed
- Toothed Spurge; Toothleaf Poinsettia
- Topal Holly
- Torpedo Grass
- Torrey's Beakrush; Torrey's Beaksedge
- Torrey's Rush
- Torrey's Thoroughwort
- Tracy's Beakrush; Tracy's Beaksedge
- Tracy's Bluestem
- Tracy's Sundew; Giant Threadleaf Sundew
- Trailing Arbutus; Ground Laurel; Mayflower
- Trailing Bush Clover; Downy Trailing Lespedeza
- Trailing Fuzzy Bean; Trailing Wild Bean; Annual Sand Bean
- Trailing Indigo
- Trailing Loosestrife
- Trailing Pearlwort; Eastern Pearlwort
- TRAILING PHLOX
- Trailing Shrub Verbena; Polecat Geranium
- Trailing Trillium; Decumbent Trillium; Trailing Wakerobin
- Tree of Heaven; Copal Tree; Stink Tree
- Tree Tobacco
- Triangle Water Fern
- Trifoliate Summer Farewell; Tansy Prairie Clover
- Tropic Croton; Sand Croton; Vente Conmigo
- Tropical Bushmint
- Tropical Fanpetals
- Tropical Flatsedge
- Tropical Girdlepod
- Tropical Mexican Clover; Brazilian Pusley
- Tropical Puff; Tropical Neptunia
- Tropical Signal Grass
- Tropical Soda Apple
- Tropical Water Hyssop
- Tropical Whiteweed; Ageratum; Billygoat Weed
- Troublesome Sedge
- Trudell's Spleenwort
- True Indigo; African Indigo
- Trumpet Creeper; Cow Itch Vine
- Trumpet Honeysuckle; Coral Honeysuckle
- Trumpet Lily; Easter Lily
- Trumpet Weed; Hollow Stem Joe Pye Weed
- Tuber Oatgrass; Onion Couch
- Tuberous Gromwell; Southern Stoneseed
- Tufted Meadow Foxtail; Carolina Foxtail Grass; Tufted Foxtail
- Tulip Poplar; Tulip Tree; Yellow Poplar
- Tumble Mustard; Jim Hill Mustard; Tall Hedge Mustard
- Tumble Windmill Grass; Windmill Fingergrass
- Tumbleweed Amaranth; Prostrate Pigweed; Tumble Pigweed
- Tumbling Orach; Tumbling Saltweed
- Tung Oil Tree; China Wood Oil Tree; Kalo Nut Tree
- Turk's Cap Lily; Lily Royal
- Turk's Cap Mallow; Wax Mallow
- Turk's Turbin; Tube Flower
- Turkestan Beardgrass; King Ranch Bluestem
- Turkey Berry; Devil's Fig; Prickly Nightshade
- Turkey Oak
- Turnip; Field Mustard; Bird's Rape
- Turnsole; Indian Heliotrope
- Turtle Grass
- Tussock Sedge; Upright Sedge
- Tutwiler's Spleenwort
- Twig Rush; Smooth Sawgrass; Fen Sedge
- Twin-Flowered Bindweed
- Twining Screwstem; Screw Stem Bartonia
- Twinleaf; Rheumatism Root
- Twist Leaf Goldenrod; Leafy Pineywoods Goldenrod
- Twisted Sedge; Streambed Sedge
- Twisted Spikerush
- Twisted Trillium; Blue Ridge Wakerobin
- Twisted Yellow Eyed Grass; Slender Yellow Eyed Grass; Mountain Yellow Eyed Grass
- Two Color Bush Clover; Shrub Lespedeza; Shrub Bush Clover
- Two Flower Bladderwort; Longspur Creeping Bladderwort
- Two Flower Dwarf Dandelion; Orange Dwarf Dandelion
- Two Flower Melic Grass
- Two Leaf Miterwort; Two Leaf Bishop's Cap
- Two Leaf Toothwort; Crinkleroot
- Two Leaf Water Milfoil; Southern Water Milfoil
- Two Winged Silverbell; Snowdrop Tree
- Two-colored Spikerush
U
13 plants
- Umbrella Flatsedge
- Umbrella Magnolia; Umbrella Tree
- Umbrella Plant
- Underwood's Trillium; Long Bract Wakerobin
- Unicorn Plant; Devil's Claw; Ram's Horn
- Unknown Sedge
- Unknown Sumac
- Upland Boneset; Bastard Boneset; Sessile Leaf Thoroughwort
- Upland Cotton
- Upland Dwarf Iris
- Upright Brome; Short Branched Brome
- Uruguayan Tussock Grass
- Uruguayan Vervain
V
64 plants
- Vahl's Fimbry
- Valley Head Allegheny Hawthorn
- Valley Head Hawthorn
- Valley Redstem; Scarlet Loosestrife
- Vanilla Leaf; Deer's Tongue
- Variable Flatsedge; Small Flower Flatsedge
- Variable Leaf Heartleaf; Ashe's Ginger
- Variable Leaf Indian Plantain
- Variable Maiden Fern; Rough Hairy Maiden Fern; St. John's Shield Fern
- Variable Witch Grass; Variable Panic Grass; Variable Rosette Grass
- Variable-Leaf Yellowcress
- Vasey's Grass
- Vasey's Trillium; Sweet Beth; Sweet Wakerobin
- Veined Skullcap; Bottomland Skullcap; Veiny Skullcap
- Veinless Muhlenberg's Sedge
- Veiny pepperweed
- Veiny Vetchling; Veiny Peavine; Forest Pea
- Velvet Grass; Salem Grass; Yorkshire Fog
- Velvet Leaf Tick Trefoil
- Velvet Leaf; Indian Mallow; Butter Print
- Velvet Sedge
- Velvet Sedge; Sandy Woods Sedge
- Velvet weed
- Velvet Witch Grass; Broom Panic Grass
- Venus' Flytrap
- Verbena Sage
- Verrucose Spikerush
- Violet Bush Clover; Wand Lespedeza
- Violet Crabgrass
- Violet Petunia
- Violet Wild Petunia
- Violet Wood Sorrel; Violet Sour Grass
- Viper's Bugloss
- Viperina
- Virginia Bluebells; Virginia Cowslip
- Virginia Bugleweed; Virginia Water Horehound
- Virginia Bunchflower; Bog Bunchflower; Bunch Lily
- Virginia Buttonweed
- Virginia Chain Fern; Southern Chain Fern; Giant Chain Fern
- Virginia Creeper; Woodbine
- Virginia Dayflower
- Virginia Dwarf Dandelion
- Virginia Goat's Rue; Rabbit's Pea
- Virginia Ground Cherry
- Virginia Marbleseed; Wild Job's Tears; Virginia False Gromwell
- Virginia Marsh St. John's Wort
- Virginia Meadow Beauty; Handsome Harry; Wing Stem Meadow Beauty
- Virginia Mountain Mint
- Virginia Pennywort
- Virginia Pine; Scrub Pine; Jersey Pine
- Virginia Plantain; Southern Plantain; Pale Seed Plantain
- Virginia Rockcress; Southern Sandcress; Virginia Winged Rockcress
- Virginia Snakeroot; Turpentine Root; Virginia Dutchman's Pipe
- Virginia Spiderwort
- Virginia Spiraea
- Virginia Spring Beauty; Eastern Spring Beauty
- Virginia Stickseed; Beggar's Lice
- Virginia Strawberry; Wild Strawberry
- Virginia Sweetspire; Virginia Willow; Tassel White
- Virginia Three Seed Mercury; Virginia Copperleaf
- Virginia Virgin's Bower; Devil's Darning Needles
- Virginia Wild Rye; Eastern Wild Rye; Terrell Grass
- Virginia Yellow Flax; Woodland Flax
- Viviparous Spikerush; Sprouting Spikerush
W
254 plants
- Walking Fern
- Wall Bedstraw
- Walter's Hybrid Oak
- Walter's Sedge; Pocosin Sedge
- Walter's Violet; Prostrate Blue Violet
- Walter's Wingstem; Carolina Crownbeard
- Wand Blackroot
- Wand Goldenrod
- Wand Like Three Awn
- Wand Mullein; Twiggy Mullein
- Wand River Hemp
- Wandering Jew; Inch Plant
- Ware's Hairsedge
- Warty Panic Grass
- Warty Sedge
- Warty Spurge; Prairie Spurge
- Washer Woman; Mat Chaff Flower
- Washington Hawthorn; Washington Thorn
- Water Bent Grass
- Water Cowbane; Leafless Cowbane; Water Dropwort
- Water Crowngrass; Horse Tail Crowngrass
- Water Dawnflower; Water Southern Morning Glory
- Water Hickory; Bitter Pecan
- Water Lettuce; Water Bonnet
- Water Locust
- Water Millet; Marsh Millet; Giant Cutgrass
- Water Oak; Paddle Oak
- Water Parsnip
- Water Pimpernel; Brookweed
- Water Pod
- Water Purslane
- Water Pygmyweed
- Water Scorpion Grass
- Water Shield; Purple Wen Dock
- Water Smartweed
- Water Spangles; Floating Fern; Common Salvinia
- Water Spider Orchid; Water Spider False Rein Orchid; Floating Orchid
- Water Thread Pondweed; Common Snailseed Pondweed
- Water Thyme; Hydrilla
- Water Tupelo; Tupelo Gum; Cotton Gum
- Watercress
- Watermelon
- Watersprite
- Wattle Signalgrass; Wattle Liverseed Grass
- Wavy Hairgrass; Crinkled Hairgrass
- Wavy Leaf Aster
- Wavy Leaf Beeblossom; Texas Gaura
- Wavy Leaf Noseburn; Southeastern Noseburn
- Wavy leaved Woods Grass
- Wavy-leaved Violet
- Wax Gourd
- Waxy Blue Eyed Grass
- Waxy Leaf Meadow Rue; Skunk Meadow Rue
- Waxy leaf privet
- Waxy Thoroughwort; Wedge Leaf Thoroughwort
- Weak Leaf Yucca; Flaccid Leaf Yucca
- Weak Rush
- Weak Stellate Sedge
- Weak Stemed Leather Flower; Vase Vine
- Weakley's Goldentop
- Wedge Leaf Dock
- Wedge Leaf Whitlow Grass
- Weedy Dog Fennel; Garden Chamomile
- Weeping Finger Grass
- Weeping Hawthorn; Pensacola Hawthorn
- Weeping Lovegrass
- Weeping Willow
- Weft Fern; Grotto Felt
- West Indian Beakrush; West Indian Beaksedge
- West Indian Beaksedge
- West Indian Bristlegrass
- West Indian Chickweed; White Snow
- West Indian Gherkin; Jamaican Cucumber
- West Indian Lantana; West Indian Shrub Verbena
- West Indian Meadow Beauty
- West Indian Sage
- West Indian Striped Brake
- West Indian Wood Nettle
- Western Bitterweed; Poison Rubberweed; Bitter Rubberweed
- Western Horse Nettle; Robust Horse Nettle; Torrey's Nightshade
- Western Lance Leaf Buckthorn
- Western Marbleseed; Western False Gromwell
- Western Purslane Speedwell
- Western Sampson's Snakeroot
- Western Sunflower; Few Leaf Sunflower; Naked Stem Sunflower
- Western Swamp Milkweed
- Wetland White Bluestem
- Wherry's Catchfly; Pink Catchfly; Wild Pink
- Wherry's Foamflower
- Wherry's Pitcher Plant
- Whip Nutrush; Tall Nutrush
- Whiplash Dewberry; Northern Dewberry
- Whisk Fern
- White Arrow Arum; Spoon Flower; White Arum
- White Ash; American Ash
- White Avens
- White Baneberry; Dolls' Eyes; White Cohosh
- White Beakrush; Northern White Beaksedge
- White Bear Sedge
- White Blue Eyed Grass
- White Bluestem; Chalky Bluestem
- White Bushy Aster; Rice Button Aster; Long Stalk Aster
- White Buttons; Seven Angle Pipewort
- White Campion; White Cockle; Evening Lychnis
- White Cloaked Cudweed
- White Clover; Dutch White Clover; Ladino Clover
- White Colic Root; White Star Grass; Mealy Colic Root
- White Crownbeard; Frostweed
- White Cutgrass; White Grass; Virginia Cutgrass
- White Edge Flat Sedge
- White Edge Witch Grass; Slender Panic Grass
- White Flower Leafcup; Small Flower Leafcup
- White Flowered Cat's Ear
- White Four O'clock; Pale Umbrella Wort
- White Fringeless Orchid; Monkey Face Orchid
- White Fringetree; Old Man's Beard; Grancy Gray Beard
- White Garlic; Naples Garlic; Daffodil Garlic
- White Ginger Lily
- White Head Bogbuttons; Hairy Pipewort; Common Bogbuttons
- White Heath Aster; Squarrose White Aster
- White Horehound; Common Horehound
- White Lady's Slipper
- White Leadtree
- White Leaf Catbrier; White Leaf Greenbrier; Saw Brier
- White Leaf Leather Flower
- White Leaf Mountain Mint
- White Lined Cretan Brake
- White Meadow Beauty
- White Meadow Beauty
- White Milkweed; Red Ring Milkweed
- White Moneywort; Alyce Clover
- White Moth Mullein
- White Mulberry; Silkworm Mulberry; Russian Mulberry
- White mustard
- White Nymph
- White Panicled Aster
- White Petunia
- White Poplar; Silver Poplar
- White Prairie Clover
- White Prairie Goldenrod; Upland White Aster; Prairie Flat Top Goldenrod
- White Prickly Poppy; Carolina Poppy; Blue Stem Prickly Poppy
- White Ramping Fumitory; Climbing Fumitory
- White sagebush
- White Screwstem; Spring Bartonia; White Bartonia
- White Spikerush
- White Sweet Clover; White Melilot
- White Tassels
- White Thoroughwort
- White Tinge Sedge; Covered Sedge
- White Trout Lily; White Fawn Lily; Blonde Lilian
- White Turtlehead; Snakehead
- White Vervain; Nettle Leaf Vervain
- White Water Lily; Fragrant Water Lily
- White Wild Indigo; White False Indigo
- White Willow
- White Wood Aster
- Whitestar Morning-glory
- Whitetop Pitcher Plant; Crimson Pitcher Plant; Fiddler's Trumpet
- Whitewoolly twintip
- Whorled Horsebalm
- Whorled Loosestrife; Whorled Yellow Loosestrife
- Whorled Milkwort
- Whorled Pennywort; Whorled Water Pennywort; Whorled Marsh Pennywort
- Whorled Rosinweed
- Whorled Sunflower
- Widow's Cross; Pink Stonecrop; Lime Stonecrop
- Wild Asparagus; Garden Asparagus
- Wild Bush Bean
- Wild Comfrey; Blue Hound's Tongue
- Wild Cow Pea
- Wild Geranium; Spotted Crane's Bill
- Wild Goose Plum; Munson Plum
- Wild Hyacinth; Atlantic Camas; Eastern Camas Lily
- Wild Hydrangea; Smooth Hydrangea; Nine Bark Hydrangea
- Wild Leek; Wild Elephant Garlic
- Wild Oats
- Wild Olive; Devilwood
- Wild Onion; Meadow Garlic; Canadian Garlic
- Wild Potato Vine; Man of the Earth; Man Root
- Wild Radish; Jointed Charlock; White Charlock
- Wild Taro; Coco Yam; Elephant's Ear
- Wild Teasel; Common Teasel
- Willdenow's Sedge
- Willow Leaf Aster
- Willow Leaf Lettuce
- Willow Oak
- Windowbox Wood Sorrel; Red Oxalis
- Wine Raspberry; Wineberry
- Wing Pod Purslane; Flatrock Portulaca
- Wing Stem Camphorweed
- Winged Elm
- Winged Monkey Flower; Sharp Wing Monkey Flower
- Winged Pigweed;Tumbling Ringwing
- Winged Seedbox; Winged Primrose Willow
- Winged Spikerush
- Winged Sumac; Shining Sumac
- Winged Yam; Water Yam
- Wingstem Water Primrose; Wing Leaf Primrose Willow
- Winter Creeper
- Winter Grape Fern; Prostrate Grape Fern
- Winter Jasmine
- Wintergreen Barberry; Evergreen Barberry
- Wire Leaf Dropseed
- Wire Plant; Pineland Scaly Pink
- Wire Sedge; Hold Fast Sedge
- Wirestem Muhly
- WIRY FLATSEDGE
- Wiry Panic Grass; Wiry Witch Grass
- Wisconsin weeping willow
- Witch's Moneybags; Orpine; Livelong
- Wolf's Spikerush
- Wood Anemone; Nightcaps
- Wood's False Hellebore; Ozark Bunchflower; Wood's Bunchflower
- Woodland Agrimony; Beaked Agrimony; Beaked Groovebur
- Woodland Black Eyed Susan
- Woodland Bluegrass
- Woodland Bluegrass; Woods Speargrass; Forest Bluegrass
- Woodland Bulrush
- Woodland False Buttonweed
- Woodland Forget Me Not
- Woodland Goosefoot; Standley's Goosefoot
- Woodland Ironweed; Tennessee Ironweed
- Woodland Lettuce; Blue Lettuce
- Woodland Muhly; Forest Muhly
- Woodland Poppy Mallow; Woods Poppy Mallow
- Woodland Spider Lily; Northern Spider Lily; Swamp Spider Lily
- Woodland Stonecrop; Mountain Stonecrop; Wild Stonecrop
- Woodland Sunflower; Spreading Sunflower
- Woodrush Flatsedge
- Woods Grass; Basket Grass
- Woody Glasswort; Perennial Glasswort
- Woody Goldenrod
- Wool Grass; Marsh Bulrush
- Woolly Dutchman's Pipe; Pipevine; Hairy Dutchman's Pipe
- Woolly Elephant's Foot; Devil's Grandmother
- Woolly Fimbry
- Woolly Huckleberry; Mosier's Huckleberry
- Woolly Lip Fern
- Woolly Mullein; Common Mullein; Flannel Plant
- Woolly Ragwort; Woolly Groundsel
- Woolly Rose Mallow; Hairy Fruit Rose Mallow
- Woolly Sheath Three Awn
- Woolly Sunbonnets; Pineland Daisy; Night Nodding Bog Dandelion
- Woolly Witch Grass; Woolly Panic Grass; Tapered Rosette Grass
- Wormseed Wallflower; Wormseed Mustard
- Woundwort
- Wreath Goldenrod; Bluestem Goldenrod; Axillary Goldenrod
- Wright's Beakrush; Wright's Beaksedge
- Wright's Morning Glory; Palm Leaf Morning Glory
- Wright's Plantain
- Wright's Witch Grass; Wright's Rosette Grass
- Wrigley's Hybrid Pitcher Plant
- Wrinkle Leaf Goldenrod
- Wrinkled Jointgrass; Wrinkled Joint Tail Grass
X
No plants found starting with X
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62 plants
- Yard Knotweed; Prostrate Knotweed; Common Knotweed
- Yaupon Black Senna
- Yaupon Holly
- Yellow and Blue Forget Me Not; Changing Forget Me Not; Yellow and Blue Scorpion Grass
- Yellow Archangel
- Yellow Bractspike
- Yellow Bristlegrass
- Yellow Buckeye; Large Buckeye; Sweet Buckeye
- Yellow Butterwort
- Yellow Colic Root
- Yellow Daylily; Lemon Daylily
- Yellow False Garlic, Crowpoison
- Yellow Flag Iris; Water Flag; Yellow Flag
- Yellow Flatsedge
- Yellow Floating Heart
- Yellow Fox Sedge; Yellow Fruit Sedge
- Yellow Fringed Orchid; Orange Fringed Orchid; Orange Plume
- Yellow Fringeless Orchid; Southern Yellow Orchid; Golden Fringeless Orchid
- Yellow Fruit Horse Gentian; Yellow Horse Gentian
- Yellow Fruit Yellow Flax
- Yellow Fumewort; Short Spur Corydalis; Yellow Corydalis
- Yellow Giant Hyssop
- Yellow Glandweed; Yellow Bartsia
- Yellow Groove
- Yellow Hatpins; Bantam Buttons
- Yellow Hawthorn
- Yellow Honeysuckle
- Yellow Indian Grass; Indian Reed
- Yellow Jessamine; Carolina Jessamine; Poor Man's Rope
- Yellow Jewelweed; Yellow Touch Me Not; Pale Touch Me Not
- Yellow Lady's Slipper
- Yellow Lady's Slipper
- Yellow Lance Leaf Blanket Flower
- Yellow Mandarin; Yellow Fairybells
- Yellow Meadow Beauty; Golden Meadow Beauty
- Yellow Meadow Parsnip
- Yellow Milkvine; Yellow Spinypod
- Yellow Nailwort; Virginia Whitlow Wort; Virginia Nailwort
- Yellow Nutsedge; Yellow Nutgrass
- Yellow Passion Flower
- Yellow Pimpernel
- Yellow Pitcher Plant; Yellow Trumpets
- Yellow Pondlily; Broadleaf Pondlily; Spatterdock
- Yellow Puff; Yellow Neptunia
- Yellow Salsify; Yellow Goat's Beard
- Yellow Sargent's Hawthorn
- Yellow Screwstem; Yellow Bartonia
- Yellow Seed False Pimpernel; Moistbank False Pimpernel
- Yellow Spikerush; Pale Spikerush
- Yellow Sunnybells; Swamp Candle
- Yellow Sweet Clover; Yellow Melilot; Ribbed Melilot
- Yellow Trillium; Yellow Wakerobin; Lemon Scented Trillium
- Yellow Upright Mignonette; Wild Mignonette
- Yellow Vetchling; Yellow Pea; Yellow Peavine
- Yellow Water Buttercup; Aquatic Buttercup; Yellow Water Crowfoot
- Yellow Wood; Kentucky Yellow Wood
- Yellowroot; Brook Feather
- Yew Plum Pine
- Yoshino Cherry
- Youngia
- Yucatan Camphorweed
- Yucatan Petunia