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

Selaginella densa Rydb.
compact selaginella (lesser spikemoss)
Selaginellaceae (Spike-moss family)

Introduction to Vascular Plants

© Bryan Kelly-McArthur  Email the photographer   (Photo ID #83966)

E-Flora BC Static Map
Distribution of Selaginella densa
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Species Information

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Evergreen perennial forming dense flat circular mats 5-20 cm across, 1-3 cm tall.
Lanceolate, 1.5-2 mm long, 0.4-0.7 mm wide, margins fringed with long hairs and with white, 0.5-1.5 mm long, short-hairy, bristle tips.
Unstalked, tetragonal, 5-20 mm long, 1-2 mm wide; sporophylls egg-shaped to lanceolate with fringed margins and long-bristled tips.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry soil and rocks in the steppe and montane zones; frequent in SC BC; E to SE ON and S to OK, NM and AZ.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Selaginella densa

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) 184 1404 3000
Slope Gradient (%) 0 33 160
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 184 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 1 6
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(126), BAFA(37), BG(174), BWBS(2), CMA(2), CWH(2), ESSF(337), ICH(65), IDF(254), IMA(59), MH(1), MS(88), PP(148), SBPS(4), SBS(11), SWB(1)


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

Selaginella densa var. densa Rydb.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References