Checklist » Haloragaceae » Myriophyllum heterophyllum
Last updated 1/28/2024 by David Giblin.
Myriophyllum heterophyllum Michx.[Draft FNA, HC2]
two-leaf milfoil, various-leaved water-milfoil

Publication: Fl. Bor.-Amer. 2: 191. 1803.

Origin: Introduced from central and eastern North America

selected vouchers: WTU

Notes: Washington populations believed to result from introductions from northeastern U.S. (Thum et al., 2011).

References:

» Thum, R. A., M. P. Zuellig, M. E. Moody, C. Vossbrinck, and R. L. Johnson. 2011. Molecular markers reconstruct the invasion history of variable leaf watermilfoil (Myriophyllum heterophyllum) and distinguish it from closely related species. Biol. Invasions 13: 1687–1709.
Synonyms & Misapplied Names:
(none)