Characteristics
Angiosperms (Dicots)
Helianthus verticillatus Small
Whorled Sunflower
Herb
Perennial
Vascular
**
Listed as <a href="https://ecos.fws.gov/ecp0/profile/speciesProfile?spcode=Q3HO">Federally Threatened</a> as of 1 Aug 2014. </a>
Native
Endangered-US
S1 (State Rank)
G1 (Global Rank)
Matthews, J.F., J.R. Allison, R.T. Ware, Sr. and C. Nordman. 2002. Helianthus verticillatus Small (Asteraceae) Rediscovered and Redescribed. Castanea 67: 13-24.
Classification
Citation
<a href=https://www.biodiversitylibrary.org/page/10418426>Helianthus verticillatus Small, Bull. Torrey Bot. Club 25(9): 479. 1898.</a>
**
USA: TENNESSEE. Chester Co.: low field near Henderson, August 1892. L.M. Bain 288. (Lectotype: NY (Accession No. 73465); Isolectotype: NY, US).
Species Distribution Map
Specimens and Distribution
Click on an Accession Number to view additional details about the specimen.
Range of years during which specimens were collected: