Hydrilla

Hydrilla verticillata

Submerged aquatic highly branched perennial with toothed leave in whorls of five.

Life Forms	Aquatic
Habitats	Aquatic Lakes Ponds Rivers Submerged
ODA Listing	A
Soil and Moisture Conditions	Aquatic
Suggested Actions	Report to Oregon Invasives Hotline
Mature Height	20'
Distribution	Not known to occur in Oregon
Control	Contact Oregon Invasives Hotline if you find this plant.
Reproduction and Spread	Grows from tubers in the sediment.
Introduced	Introduced from southern India in 1950s.
Look Alikes	American and Nuttall's Waterweed (Elodea spp.) and Brazilian Waterweed (Egeria densa)
Impact	Crowds out native species, impedes irrigation and boating.
More Info	https://www.invasivespeciesinfo.gov/Aquatic/plants/hydrilla