Page author: David Giblin
Triglochin palustris
marsh arrow-grass

Distribution: Occurring east of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, Great Plains, Great Lakes region, and northeastern North America; circumboreal and in South America.

Habitat: Coastal bogs to inland meadows, mudflats, and gravelly stream margins, often where brackish or alkaline.

Flowers: June-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Sensitive in Washington (WANHP)

Pollination: Wind


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Accepted Name:
Triglochin palustris L.
Publication: Sp. Pl. 1: 338. (as palustre). 1753.

Synonyms & Misapplications:
Triglochin palustre L. [HC]
Additional Resources:

PNW Herbaria: Specimen records of Triglochin palustris in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Triglochin palustris checklist entry

OregonFlora: Triglochin palustris information

E-Flora BC: Triglochin palustris atlas page

CalPhotos: Triglochin palustris photos

5 photographs:
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