Cassiope lycopodioides
clubmoss mountain-heather

Distribution: Occurring west of the Cascades crest in Washington; Alaska to Washington.

Habitat: Alpine rocky slopes and rock crevices.

Flowers: June-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Threatened in Washington (WANHP)

Pollination: Bumblebees, bees


Perennial, deciduous or evergreen, usually autotrophic, sometimes mycotrophic; ascendant to mat-forming shrubs, stems hirsute, length varying.


Opposite, sessile, edges opposite (somewhat imbricate), appressed to stems; blade linear to lanceolate, without abaxial groove, 2-3 mm long x 0.5-1.2 mm wide, curled hairs present at leaf apex, abaxial base and adaxial surface hairy, margins scarious.


Sepals distinct, 1.5-2 mm long, margins slightly hyaline to opaque; petals 6-8 mm long, connate, apex curved, corolla white, bell-shaped to distinctly campanulate; stamens up to 3 mm long.


Capsules, 3 mm. diameter, borne on erect pedicels, subglobose to ovoid.

Accepted Name:
Cassiope lycopodioides (Pall.) D. Don
Publication: Edinburgh New Philos. J. 17: 158. 1834.

Synonyms & Misapplications:
Andromeda lycopodioides Pall.
Additional Resources:

PNW Herbaria: Specimen records of Cassiope lycopodioides in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Cassiope lycopodioides checklist entry.

OregonFlora: Cassiope lycopodioides information.

E-Flora BC: Cassiope lycopodioides atlas page.

CalPhotos: Cassiope lycopodioides photos.

USDA Plants: Cassiope lycopodioides information.

16 photographs:
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