Vascular Plants of the Gila Wilderness

Presented in Association with the
Western New Mexico University Department of Natural Sciences

Myriophyllum spicatum Linnaeus
(Water Milfoil, Eurasian Water Milfoil)


Family: Haloragaceae

Status: Exotic, Noxious Weed (Class A, with limited distribution within the state)

Synonyms:
None

Myriophyllum spicatum is found at middle elevations in standing water. It has linear highly dissected leaves that appear in a whorl around nodes. Myriophyllum spicatum is entirely submersed. Myriophyllum aquaticum is similar, but it rises above the water.
Please click on an image for a larger file.



Myriophyllum spicatum, photo Russ Kleinman & Richard Felger, Burro Mtns., Bill Evans Lake, Nov. 17, 2007



Myriophyllum spicatum, growth habit, photo Russ Kleinman, Burro Mtns., Bill Evans Lake, October 29, 2009



Myriophyllum spicatum, closeup of portion of branch, photo Russ Kleinman, Burro Mtns., Bill Evans Lake, October 29, 2009



Myriophyllum spicatum, field macro of leaves, photo Russ Kleinman, Burro Mtns., Bill Evans Lake, October 29, 2009



Back to the Index