Taxon  Report   2893 
Egeria densa  Planchon
Brazilian water weed,  Brazilian waterweed
Egeria densa
© 2009 Barry Rice
Click on a photo to see it bigger.
Egeria densa
© 2001 CDFA
Egeria densa
© 1995 Saint Mary's College of California
Egeria densa, a monocot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.
It is an invasive plant. The California Invasive Plant Council classifies its potential impact on native ecosystems as high (plant profile / CalWeedMapper).

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Egeria densa
© 2001 CDFA
Genus: Egeria
Wetlands:Occurs almost always under natural conditions in wetlands [U.S. Fish & Wildlife Service.]
Name Status:
Accepted by TJM2 + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Anacharis densa
PLANTS: Elodea densa
PLANTS: Philotria densa
More information about  Egeria densa
Photos on CalPhotos / Google Images
Photos and ID tips from

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (Flora of North America)

website references from Google

Suggested Citation
Calflora: Information on California plants for education, research and conservation,
with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria.
[web application]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Oct 27, 2016).

The information on this page comes from diverse sources. None of the links are sponsored.