Elodea bifoliata    St. John

Two Leaf Waterweed 


MN Status:
endangered
Federal Status:
none
CITES:
none
USFS:
none

Group:
vascular plant
Class:
Monocotyledoneae
Order:
Hydrocharitales
Family:
Hydrocharitaceae
Life Form:
forb
Longevity:
perennial
Leaf Duration:
deciduous
Water Regime:
aquatic
Soils:
silt
Light:
full sun
Habitats:

(Mouse over a habitat for definition)


Best time to see:

 Foliage Flower Fruit 
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Map Interpretation

Map Interpretation

Please note that a complete species account is not yet available.

  Synonyms

  Best Time to Search

The species should be visible most of the summer, but positive identification will be aided by the presence of flowers, which would likely be present from late June through July.

  Authors/Revisions

Welby Smith, MN DNR, 2018

  References

Bowmer, K. H., S. W. L. Jacobs, and G. R. Sainty. 1995. Identification, biology and management of Elodea canadensis, Hydrocharitaceae. Journal of Aquatic Plant Management 33:13-19.

Catling, P. M., and W. Wojtas. 1986. The waterweeds (Elodea and Egeria, Hydrocharitaceae) in Canada. Canadian Journal of Botany 64(8):1525-1541.

Cook, C. D. K., and K. Urmi-Knig. 1985. A revision of the genus Elodea (Hydrocharitaceae). Aquatic Botany 21(2):111-156.

Haynes, R. R. 2000. Elodea. Pages 32-34 in Flora of North America Editorial Committee, editors. Flora of North America north of Mexico. Volume 22. Oxford University Press, New York, New York.

Minnesota Department of Natural Resources. 2003. Field guide to the native plant communities of Minnesota: the Laurentian mixed forest province. Ecological Land Classification Program, Minnesota County Biological Survey, and Natural Heritage and Nongame Research Program. Minnesota Department of Natural Resources, St. Paul, Minnesota. 352 pp.

Minnesota Department of Natural Resources. 2005. Field guide to the native plant communities of Minnesota: the prairie parkland and tallgrass aspen parklands provinces. Ecological Land Classification Program, Minnesota County Biological Survey, and Natural Heritage and Nongame Research Program. Minnesota Department of Natural Resources, St. Paul, Minnesota. 362 pp.

NatureServe. 2009. NatureServe Explorer: An online encyclopedia of life [web application]. Version 7.1. NatureServe, Arlington, Virginia.