Page author: David Giblin
Arnica lanceolata ssp. prima
clasping arnica, streambank arnica, streambank leopardbane

Distribution: Occurring on both sides of the Cascades crest in Washington, including the Olympic Mountains and the northeastern region; Alaska to California, east to the Rocky Mountains, also in northeastern North America.

Habitat: Streambanks, moist woods and meadows from middle elevations to the subalpine.

Flowers: June-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


[none provided]

Accepted Name:
Arnica lanceolata Nutt. ssp. prima (Maguire) Strother & S.J. Wolf
Publication: Fl. N. Amer. (1993+). 21: 373. 2006.

Synonyms & Misapplications:
Arnica amplexicaulis Nutt. [HC]
Arnica amplexicaulis Nutt. ssp. amplexicaulis
Arnica amplexicaulis Nutt. var. amplexicaulis [HC]
Arnica amplexicaulis Nutt. var. piperi H. St. John & F.A. Warren [HC]
Arnica amplexifolia Rydb. ssp. prima Maguire
Additional Resources:

PNW Herbaria: Specimen records of Arnica lanceolata ssp. prima in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Arnica lanceolata ssp. prima checklist entry.

E-Flora BC: Arnica lanceolata ssp. prima atlas page.

CalPhotos: Arnica lanceolata ssp. prima photos.

USDA Plants: Arnica lanceolata ssp. prima information.

41 photographs:
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