Page author: David Giblin
Wolffia columbiana
Columbian watermeal

Distribution: Occurring chiefly west of the Cascades crest in Washington; Washington to California, east to Alberta, Idaho, Montana, and Colorado, and east from the Great Plains to the Atlantic Coast.

Habitat: Ponds and standing water at low elevations.

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Flies


[none provided]

Accepted Name:
Wolffia columbiana H. Karsten
Publication: Botanische Untersuchungen. [Landwirthschaftliche Lehranstalt. Physiologisches Laboratorium] Berlin. 1: 103, figs. 2g, 3g. 1865.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Wolffia columbiana in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Wolffia columbiana checklist entry

OregonFlora: Wolffia columbiana information

E-Flora BC: Wolffia columbiana atlas page

CalPhotos: Wolffia columbiana photos

1 photographs:
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