Cassiope mertensiana subsp. ciliolata
Smithsonian Misc. Collect. 50: 196. 1907,.
Treatment appears in FNA Volume 8. Treatment on page 448.
Stems glabrous when young. Leaf blade margins eglandular-hairy, especially on young leaves, hairs scattered, branched.
Phenology: Flowering Jul–Aug.
Habitat: Alpine fellfields, subalpine forests, sometimes red fir forests
Elevation: 1500-2600 m
Subspecies ciliolata is endemic to the mountain ranges of northwestern California.
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