Brazilian Elodea
Egeria densa
Plant Description
Long-stemmed submerged perennial with non-toothed leaves (to the naked eye) in whorls of 4-6 and small, white, 3-petalled emergent flowers. Can top out and form mats on the surface. Blooms in summer. Found in slow moving water up to 30 feet deep.
Plant Details
| Life Forms | |
|---|---|
| Habitats | |
| ODA Listing | |
| Soil and Moisture Conditions | |
| Suggested Actions | |
| Mature Height | 9-15' |
| Distribution | Found in side channels and on the banks of the Willamette River. |
| Control | Clean fragments from boats, motors, and trailers to prevent spread. Small areas can be cleared by hand-pulling. |
| Disposal Methods | Remove all plant fragments from the water. |
| Reproduction and Spread | Spreads rapidly by fragmentation. |
| Introduced | Native to South America, introduced to US in 1893. |
| Look Alikes | Elodea canadensis, Elodea nuttallii, Hydrilla |
| Impact | Clogs Waterways, impedes recreation, outcompetes native species, reduces fish habitat and alters water quality. |
| More Info |
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