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

Huperzia occidentalis (Clute) Kartesz & Gandhi
western fir clubmoss (western clubmoss; western fir-moss)
Lycopodiaceae (Club-moss family)

Introduction to Vascular Plants

© Curtis Bjork  Email the photographer   (Photo ID #22654)

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Distribution of Huperzia occidentalis
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Species Information

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Evergreen perennial plant from a short rhizome; stems yellow-green or dark-green, single or in clusters of 2 to 7, 10-30 cm tall, with distinct annual constrictions.
Lanceolate, about 2 mm wide, broadest in upper 1/3, with pointed tips, bent back or spreading.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to moist open coniferous forests, rocky places, bogs from the lowland to subalpine zones; infre quent in BC south of 56degreeN; N to AK, E to W AB and S to ID and OR.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Huperzia occidentalis

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) 605 1170 1900
Slope Gradient (%) 0 39 100
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 340 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 4 7
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: CWH(3), ESSF(9), ICH(2), IDF(1), MH(4), MS(3)


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

Lycopodium lucidulum var. occidentale (Clute) L.R. Wilson

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References