|
Scientific Name |
Myriophyllum spicatum L. |
|
Common Name |
Eurasian watermilfoil |
|
Family |
Haloragaceae (Watermilfoil) |
|
Class |
Dicot |
|
Description |
Mostly evergreen perennial; overwinters by root crown, aerial wind
-pollinated flowers, spread by runners and autofragments |
|
US Distribution |
Essentially all lower 48 states, except southern Florida |
|
Worldwide Distribution |
Temperate portion of northern hemisphere, nuisance predominantly in
North America (US and southern Canada); native to Armenia |
|
Ecology |
Rooted submersed in 1 to 15 ft. depth |
|
Economic Importance |
Major nuisance aquatic plant in US, southern Canada ($5M/yr in central
New York) |
|
Ecological Importance |
Major impact on US aquatic systems |
|
Notes |
Tolerates moderate salinity, grows in lower estuary areas |
