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

Diphasiastrum alpinum (L.) Holub
alpine club-moss
Lycopodiaceae (Club-moss family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #25440)

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Distribution of Diphasiastrum alpinum
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Species Information

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General:
Evergreen perennial from horizontal stems about 3 mm wide, on the soil (or rock) surface, or shallowly buried; upright shoots branched, 5-15 cm tall, bluish-green, with flattened branches.
Leaves:
Leaves on the convex side of the branches and leaves on their edges unstalked, short, triangular, those on the concave sides trowel shaped, bent upright at right angles to their short stalks that are perpendicular to the branches, the leaves bent upright at right angles to the bases.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Open dry to mesic areas in heath and tundra communities in the subalpine and alpine zones; frequent throughout BC, except absent on the Queen Charlotte Islands; circumpolar, N to AK, YT, and NT, E to AB and S to MT, ID, and WA, disjunct to MI, PQ, NB, and NF; Eurasia.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Diphasiastrum alpinum

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

Minimum

Average

Maximum

Elevation (metres) 209 1753 3000
Slope Gradient (%) 0 23 115
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 186 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 3 7
Modal Nutrient Regime
Class
C
Number of field plots
 species was recorded in:
407
Modal BEC Zone Class
ESSF
All BEC Zones (# of stations/zone) species was recorded in: AT(10), BAFA(77), BWBS(1), CMA(23), ESSF(192), ICH(3), IDF(1), IMA(25), MH(23), MS(1), SBS(2), SWB(24)

Climate

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 alpine tundra & boreal.

Synonyms and Alternate Names

Lycopodium alpinum L.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References