Western Waterweed Elodea nuttallii (Planchon) St. John    
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 canadensis. 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).

There are 22 records in the project database.

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Western Waterweed in Anne Arundel Co., Maryland (7/6/2011). Photo by Bill Harms. (MBP list)

Western Waterweed in Anne Arundel Co., Maryland (7/6/2011). Photo by Bill Harms. (MBP list)

Western Waterweed in Garrett Co., Maryland (8/1/2019). (c) catchang, some rights reserved (CC BY-NC). Photo by catchang via iNaturalist. (MBP list)

Western Waterweed in Garrett Co., Maryland (8/1/2019). (c) catchang, some rights reserved (CC BY-NC). Photo by catchang via iNaturalist. (MBP list)


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