Page authors: Don Knoke, David Giblin
Eichhornia crassipes
water hyacinth

Distribution: Known from a few localities in southern Washington; California east along the southern part of the U.S. to Florida.

Habitat: Ponds, ditches, canals.

Flowers: April-September

Origin: Introduced from tropical America

Growth Duration: Perennial

Conservation Status: Not of concern


[none provided]

Accepted Name:
Eichhornia crassipes (Mart.) Solms
Publication: Monogr. Phan. 4: 527. 1883.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Eichhornia crassipes in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Eichhornia crassipes checklist entry.

E-Flora BC: Eichhornia crassipes atlas page.

CalPhotos: Eichhornia crassipes photos.

USDA Plants: Eichhornia crassipes information.

9 photographs:
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