Cynosurus echinatus L.
hedgehog dogtail (bristly dogstail grass)
Poaceae (Grass family)

Introduction to Vascular Plants


© Jamie Fenneman     (Photo ID #4124)


E-Flora BC Static Map

Distribution of Cynosurus echinatus
Click here to view the full interactive map and legend

Species Information

Annual grass from fibrous roots; stems hollow, erect, (10) 20-50 cm tall.
Sheaths open, inflated; blades 1.5-2.5 mm wide, flat, more or less rough, the margins freed from the sheaths at different levels; ligules 2-7 (11) mm long, prominent, membranous, blunt, the margins coarsely jagged to toothed.
Inflorescence a dense, erect, bristly, egg-shaped, panicle 1-4 cm long; spikelets borne mostly in pairs on very short branches, the pairs each with 1 spikelet fertile, 2-flowered, the upper flowers sometimes reduced to tiny rudiments, unstalked, the other sterile, 4-5 mm long, short-stalked, much flattened and fanlike, consisting of glumes and several sterile (empty) lemmas, the lemmas similar to the glumes; glumes of the fertile spikelets 5-6 mm long, nearly equal, strongly keeled, flattened, awned, the awns 1-2.5 mm long, the glumes of the sterile spikelets keeled, fringed with short hairs, long-pointed; fertile lemmas about 5 mm long, rounded on the back, awned, the awns 3-10 mm long; lodicules about 0.2 mm long; anthers about 2 mm long.

SourceThe Illustrated Flora of British Columbia


If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.


Ecological Framework for Cynosurus echinatus

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)
153 27 280
Slope Gradient (%)
42 0 210

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

213 38 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 0 3
Modal Nutrient Regime
# of field plots
 species was recorded in:
Modal BEC Zone Class

All BEC Zones (# of stations/zone) species was recorded in


Habitat and Range

Mesic sandy shores, Garry oak woodlands, grassy rock outcrops and disturbed sites in the lowland, steppe and montane zones; infrequent in SW BC, rare in SE BC; introduced from Europe.

SourceThe Illustrated Flora of British Columbia