Canadian Waterweed Elodea canadensis Michaux    Synonyms: Anacharist, Philotria canadensis.
Kingdom Plantae   >   Division Tracheophyta   >   Class Magnoliopsida   >   Order Hydrocharitales   >   Family Hydrocharitaceae   >   Genus Elodea   

Description:

This submerged aquatic plant has leaves in whorls of 3. Compare it to Hydrilla (which has leaves in whorls of 5) and Elodea nuttallii. Elodea canadensis has relatively stout leaves (averaging 2 mm wide and 2-5x longer than wide) compared to Elodea nuttallii (leaves averaging 1-1.5 mm wide and 5-10x longer than wide).

Where to find:

Canadian Waterweed is a submerged aquatic plant that can be found rooted or free-floating in slow-moving waters. It is common in freshwater rivers, creeks, lakes and reservoirs.

There are 23 records in the project database.

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Canadian Waterweed in Kent Co., Maryland (9/29/2019). Photo by Wayne Longbottom. (MBP list)

Canadian Waterweed in Garrett Co., Maryland (8/10/2015). Photo by Seth Metheny. (MBP list)

Canadian Waterweed in Somerset Co., Maryland (6/26/2014). Photo by Lance Biechele. (MBP list)

Canadian Waterweed in Somerset Co., Maryland (6/26/2014). Photo by Lance Biechele. (MBP list)

Canadian Waterweed in Harford Co., Maryland (7/11/2021). (c) trinectes, all rights reserved. Photo by Robert Aguilar, SERC. (MBP list)

Canadian Waterweed in Howard Co., Maryland (7/17/2021). (c) johnbotany, some rights reserved (CC BY-NC). Photo by John Hall. (MBP list)


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