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

Puccinellia pumila (Vasey) Hitchc.
dwarf alkaligrass
Poaceae (Grass family)

Introduction to Vascular Plants

© Adolf Ceska  Email the photographer   (Photo ID #20747)

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Distribution of Puccinellia pumila
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Species Information

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Perennial, tufted grass from fibrous roots; stems 10-30 cm tall.
Sheaths open, smooth; blades flat to in-rolled, 1-2.5 mm wide; ligules rounded, usually sparsely short-hairy or rough externally, 0.8-2 mm long.
Inflorescence a narrow panicle, (3) 5-10 cm long, the branches few, smooth, nearly erect (rarely deflexed); spikelets 4 to 5- (6-) flowered; lower glumes about 1.5-2 mm long, the upper ones mostly 2.5 (3) mm long; rachilla joints about 1 mm long; lemmas sparsely hairy (with only a few short hairs) at the extreme base, abruptly narrowed above, about 3 (3.5) mm long; paleas nearly equal to the lemmas; lodicules barely 1 mm long; anthers (0.7) 1 (1.2) mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Coastal beaches and marshes in the lowland zone; frequent in coastal BC; N to AK and S to CA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Puccinellia pumila

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) 0 0 0
Slope Gradient (%) 0 1 5
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
54 102 220
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
5 6 8
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(9)


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

Puccinellia kurilensis auct. non (Takeda) Honda p.p.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References