Taxon  Report   4263 
Howellia aquatilis  Gray
Water howellia
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Howellia aquatilis, a dicot, is an annual herb (aquatic) that is native to California and is also found outside of California, but is confined to western North America.
CNPS Rare Plant Rank: 2B.2 (rare, threatened, or endangered in CA; common elsewhere).   8th Edition

It is listed by the Federal Government as Threatened .

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Plant Characteristics
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Bloom Period
Howellia aquatilis
© 2005 Dieter Wilken
Genus: Howellia
Freshwater Wetlands
Habitat: freshwater-marsh
Wetlands: Occurs in wetlands
Distribution by County 

Add an Observation of  Howellia aquatilis

Name Status:
Accepted by TJM2 + CNPS + PLANTS
More information about  Howellia aquatilis
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Mar 21, 2018).

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