Western waterweed, Nuttall's waterweed
Elodea nuttallii is a freshwater aquatic plant that forms dense mats, often submerged.
It is easy to confuse it with Elodea canadensis, which has leaves that are shorter with a length to width ratio of 3:1 and apex ovate, while Elodea nuttallii of 6:1 and more acute apex.
Elodea nuttallii is native to North America, it grows in running waters, irrigation canals, ponds, lake bottoms, and lowland rivers with calm, warm and shallow deep, nutrient-rich, from sea level to about 600m.
Native to: Alabama, Arkansas, British Columbia, California, Colorado, Connecticut, Delaware, Florida, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Maine, Manitoba, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Nova Scotia, Ohio, Ontario, Oregon, Pennsylvania, Québec, Rhode I., Saskatchewan, South Dakota, Tennessee, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming.
Introduced into: Austria, Baltic States, Belarus, Belgium, Bulgaria, Buryatiya, Canary Is., Central European Rus, Cuba, Czechoslovakia, Denmark, East European Russia, Egypt, Finland, France, Germany, Great Britain, Greece, Hungary, Ireland, Irkutsk, Italy, Jamaica, Krasnoyarsk, Krym, Morocco, Netherlands, New South Wales, New Zealand North, New Zealand South, North European Russi, Northern Territory, Northwest European R, Norway, Palestine, Poland, Portugal, Puerto Rico, Queensland, Romania, South Australia, South European Russia, Spain, Sweden, Switzerland, Tasmania, Transcaucasus, Turkey, Turkey-in-Europe, Ukraine, Victoria, West Siberia, Western Australia, Yugoslavia.
- GPS
- 45.1261292, 9.3747349
- Geographical region
- Southern Europe
- Drainage Basin
- Adriatic
- River catchment
- Po River
- Water body type
- River
- Water body name
- Olona
- Water body part
- Meander
- Water body course
- Middle course
- Water body: tributary of
- River
- Tributary name
- Lambro
- Type locality
- Unknown type material.
- Conservation status/IUCN Red List
- Least Concern (LC)
- Listed in CITES
- No