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

Poa bulbosa subsp. vivipara (Koel.) Arcang.
bulbous bluegrass
Poaceae (Grass family)

Introduction to Vascular Plants

© Reg Newman  Email the photographer   (Photo ID #43782)

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Distribution of Poa bulbosa subsp. vivipara
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Species Information

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Perennial grass from fibrous roots; stems erect or spreading, 15-60 cm tall.
Sheath margins open about 3/4 their length; sterile shoots bulbous at the base, emerging inside sheaths with distinct two-keeled buds protecting the scales; basal bladeless leaves absent; blades 1-2.5 mm wide, flat, lax, thin; ligules 1-3 mm long, the tips rounded to sharp-pointed, the backs smooth or rough.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry to mesic grassy meadows and waste areas in the lowland, steppe and montane zones; frequent in SW and SC BC; introduced from Eurasia.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Poa bulbosa ssp. vivipara

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) 1677 1677 1677
Slope Gradient (%) 0 0 0
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 1 1
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: CMA(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.

Taxonomic and Nomenclatural Links

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General References