E-Flora BC: Electronic Atlas of the Flora of British Columbia

Cassiope lycopodioides (Pall.) D. Don
club-moss mountain-heather (clubmoss mountain heather)
Ericaceae (Crowberry family)

Introduction to Vascular Plants

© Ryan Batten  Email the photographer   (Photo ID #53163)

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Distribution of Cassiope lycopodioides
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Species Information

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Dwarf shrub, mat-forming; stems prostrate or decumbent, 5-20 cm long, about 2 mm wide including appressed leaves.
Evergreen, opposite, 4-ranked but not in four distinct rows, appressed, egg- to lance-shaped, 1.5-3 mm long, thinly papery-margined, often fringed and long-hairy at tip, the concave upper surface often hairy, the convex lower surface not grooved; unstalked.
Solitary in leaf axils, nodding on glabrous stalks up to 10 mm long, longer than the subtending leaves; corollas cream to white, bell-shaped, the lobes shorter than the tube, 5-7 mm long; calyces 2-2.5 mm long, papery-margined.
Capsules, globe-shaped, about 3 mm wide.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry slopes, heath, and meadows in the subalpine and alpine zones; infrequent in NW BC, rare on NW Vancouver Island; amphiberingian, N to AK; NE Asia.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Cassiope lycopodioides

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres) 750 860 990
Slope Gradient (%) 20 55 88
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
20 171 240
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 3 4
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: AT(1), CMA(4), MH(2)


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Cassiope lycopodioides subsp. cristipilosa
Cassiope lycopodioides subsp. lycopodioides

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References