Perennial, tufted grass from fibrous roots; stems 30-80 cm tall.
Sheaths open, the lower ones smooth to somewhat long-hairy or soft-hairy; blades soft-hairy on the upper surfaces, flat, 2-5 (10) mm wide; ear-shaped lobes at the leaf-bases slender, about 1 mm long; ligules jagged and more or less fringed with fine hairs, scarcely 1 mm long.
Inflorescence a dense, more or less cylindrical spike, 6-10 cm long, the rachis smooth or hairy, spikelets closely graduated but greater than 1 mm between them, appressed, forming an angle of less than 30degree with the rachis, mostly 5- to 7- (8-) flowered, (5) 7-12 (15) mm long, separated by rachis internodes (1.5) 2.5-3.5 (5) mm long; glumes 5-7 mm long, short-awned; lemmas 6-8.5 mm long, sharp-pointed or short-awned, the awns less than 1 mm long.
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.
Illustration Source: The Illustrated Flora of British Columbia
Present over the Summer
Source: The USDA
||Value / Class
Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
of field plots
species was recorded in:
BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in
|BWBS(1), IDF(1), SWB(1)|
Source: Klinkenberg 2013
Synonyms and Alternate Names:
Agropyron cristatum subsp. fragile (Roth) A. L÷ve
Agropyron cristatum var. fragile (Roth) Dorn
Agropyron fragile subsp. mongolicum (Keng) D.R. Dewey
Agropyron fragile subsp. sibiricum (Willd.) Melderis
Agropyron fragile var. sibiricum (Willd.) Tzvelev
Agropyron mongolicum Keng