Annual, loosely tufted grass from fibrous roots; stems sometimes solitary, erect (sometimes bent or angled at the lower nodes), 5-30 (55) cm tall.
Sheaths smooth or short-hairy; blades usually in-rolled (sometimes flat), smooth or short-hairy, up to 1.5 mm wide; ligules 0.2-0.6 mm long.
Inflorescence an erect panicle, 2-8 (15) cm long, contracted when mature, the lower branches (and spikelet stalks) erect or appressed; spikelets 5-10 mm long (excluding the awns), (3-) 4- to 6- (8-) flowered, the florets loosely overlapping; glumes smooth, the lower glumes 1-nerved, 3.5-5 (7) mm long, the upper glumes 3-nerved, 4.5-7 (8) mm long; lemmas smooth or short-hairy, lanceolate, 5.5-7.5 (8) mm long, the terminal awns (3) 5-12 (15) mm long; rachilla internodes about 1 mm long; anthers usually 1 (rarely 2 or 3), 0.3-0.5 (2) 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
||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
|BG(10), CDF(37), CWH(3), PP(1)|
Source: Klinkenberg 2013
Synonyms and Alternate Names:
Bromus dertonensis All.
Festuca bromoides L.
Festuca dertonensis (All.) Asch. & Graebn.
Vulpia dertonensis (All.) Gola