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waterweeds
Elodea
Elodea is a genus of eight species of aquatic plants often called the waterweeds described as a genus in 1803. Classified in the frog's-bit family (Hydrocharitaceae), Elodea is native to the Americas and is also widely used as aquarium vegetation and laboratory demonstrations of cellular activities. It lives in fresh water. An older name for this genus is Anacharis, which serves as a common name in North America.
The introduction of some species of Elodea into waterways in parts of Europe, Australia, Africa, Asia, and New Zealand has created a significant problem and it is now considered a noxious weed in these areas.
8 branches of this genus, most-observed first
Canadian Waterweed
speciesElodea canadensis
Brazilian elodea
speciesElodea densa
Nuttall's Waterweed
speciesElodea nuttallii
Narrow-Leaved Waterweed
speciesElodea najas
Elodea granatensis
speciesElodea granatensis
Elodea potamogeton
speciesElodea potamogeton
South American Waterweed
speciesElodea callitrichoides
two-leaf waterweed
speciesElodea bifoliata
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Elodea in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 57624.