Vallisneria × pseudorosulata S. Fujii & M. Maki

Hybrid Eelgrass

Herb

Perennial

Vascular

**

<p>This taxon is a hybrid of two old world (<em><strong>Vallisneria denseserrulata</strong></em> (Makino) Makino and <em><strong>V. spiralis</strong></em> L.&nbsp; The hybrid has been part of the aquatic plant trade but now has naturalized in various parts of the world including the Tennessee River drainage in Alabama.&nbsp; The primary means of spreading appears to be vegetatively.</p>

Not Native

<p><strong>Wasekura, H., S. Horie, S. Fujii, and M. Maki</strong>. 2016. Molecular identification of alien species of <em>Vallisneria</em> (Hydrocharitaceae) species in Japan with a special emphasis on the commercially traded accessions and the discovery of hybrid between nonindigenous <em>V. spiralis</em> and native <em>V. denseserrulata</em>. <strong>Aquatic Botany 128: 1-6</strong>.</p>