Page author: David Giblin
Acorus americanus
American sweetflag, several-vein sweetflag

Distribution: Very limited distribution in Washington along eastern border with Idaho; widely distributed throughout northern half of North America from Alaska to Newfoundland.

Habitat: Wetlands, lake margins, and riparian zones.

Flowers: May-July

Origin: Native

Conservation Status: Not of concern


[none provided]

Accepted Name:
Acorus americanus (Raf.) Raf.
Publication: New Flora and Botany of North America. 1: 57. 1836. 1836.

Synonyms & Misapplications:
Acorus calamus L. var. americanus Raf.
Acorus calamus L. var. americanus H. Wulff
Additional Resources:

PNW Herbaria: Specimen records of Acorus americanus in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Acorus americanus checklist entry.

E-Flora BC: Acorus americanus atlas page.

CalPhotos: Acorus americanus photos.

USDA Plants: Acorus americanus information.

1 photographs:
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