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

Elymus albicans (Scribn. & J.G. Sm.) Á. Löve
Montana wildrye
Poaceae (Grass family)

Introduction to Vascular Plants

© Curtis Bjork  Email the photographer   (Photo ID #16574)

E-Flora BC Static Map
Distribution of Elymus albicans
Click here to view our interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.



General:
Perennial grass from conspicuous rhizomes; stems 40-100 cm tall, the nodes exposed.
Leaves:
Sheaths smooth to hairy; blades 1-3 mm wide, usually in-rolled, with rough upper surfaces, ear-shaped lobes usually present at the leaf-bases, up to 0.8 mm long; ligules up to 0.2-0.5 mm long, fringed with hairs.
Flowers:
Inflorescence a spike 4-14 cm long, 0.3-0.8 cm wide, erect, with 1 spikelet per node; spikelets 10-18 mm long, 1.5-2 times longer than the middle internodes, with 3 to 7 florets; glumes 0.5-0.8 times the length of the lemmas, smooth to rough, weakly keeled, sharply pointed or shortly awned at the tips; lemmas 7.5-9.5 mm long, smooth or densely hairy, the awns 4-12 mm long, strongly curved outward; anthers 3-5 mm long.
Notes:
This taxon is a hybrid between Pseudoroegneria spicata and Elymus lanceolatus (M. Barkworth, pers. comm.)

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry alkaline flats, sand dunes, gravelly sites and open forests in the steppe and montane zones; common in NE, SC and SE BC; E to AB and S to NE, CO, UT, ID and WA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Elymus albicans

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

Minimum

Average

Maximum

Elevation (metres) 46 999 2378
Slope Gradient (%) 0 17 75
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
73 179 328
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 3 7
Modal Nutrient Regime
Class
D
Number of field plots
 species was recorded in:
44
Modal BEC Zone Class
SBS
All BEC Zones (# of stations/zone) species was recorded in: AT(1), BG(6), BWBS(3), CDF(2), CWH(2), ESSF(6), ICH(1), IDF(5), MS(6), SBS(10)

Climate

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

Agropyron albicans Scribn. & J.G. Sm.
Agropyron albicans var. albicans
Agropyron albicans var. griffithsii (Scribn. & J.G. Sm. ex Piper) Beetle
Agropyron dasystachyum subsp. albicans (Scribn. & J.G. Sm.) D.R. Dewey
Agropyron griffithii Scribn. & J.G. Sm. ex Piper, orth. var.
Agropyron griffithsii Scribn. & J.G. Sm. ex Piper
Elymus albicans var. griffithsii (Scribn. & J.G. Sm. ex Piper) Dorn
Elymus griffithsii (Scribn. & J.G. Sm. ex Piper) A. Löve
Elymus lanceolatus subsp. albicans (Scribn. & J.G. Sm.) Barkworth & D.R. Dewey
Elymus var. x albicans (Scribn. & J.G. Sm.) A. L˜ve
Elytrigia dasystachya subsp. albicans (Scribn. & J.G. Sm.) D.R. Dewey
Roegneria albicans (Scribn. & J.G. Sm.) Beetle
Roegneria albicans var. griffithsii (Scribn. & J.G. Sm. ex Piper) Beetle

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References