Elymus alaskanus (Scribn. & Merr.) Á. Löve
Alaska wild rye (Alaskan wheatgrass; Ellisia)
Poaceae (Grass family)

Introduction to Vascular Plants

Photograph

© Jamie Fenneman     (Photo ID #30076)


Map

E-Flora BC Static Map

Distribution of Elymus alaskanus
Click here to view the full interactive map and legend

SUBTAXA PRESENT IN BC

Elymus alaskanus ssp. alaskanus

Species Information

General:
Perennial, tufted grass from fibrous roots or short rhizomes; stems 15-90 cm tall, sometimes decumbent at the base, the nodes exposed, smooth.
Leaves:
Sheaths smooth, rough or finely hairy; blades 3-7 mm wide, flat; ligules membranous, up to 0.5 mm long; ear-shaped lobes at the leaf-bases absent or if present, up to 0.5 mm long.
Flowers:
Inflorescence a spike, 6-14 cm long, with 1 spikelet per node; spikelets 9-15 mm long, usually overlapping with 3 to 6 florets; glumes 5-10 mm long, 3/4 as long as the lemmas, smooth to rough, awnless or short-awned; lemmas 8-11 mm long, smooth or hairy throughout, unawned or awned, the awns up to 7 mm long; anthers 1-2 mm long.

SourceThe Illustrated Flora of British Columbia

Ecology

Ecological Framework for Elymus alaskanus

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

Avg

Min

Max

Elevation (metres)
2017 425 2541
Slope Gradient (%)
23 0 80

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

171 5 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 0 6
Modal Nutrient Regime
Class
C
# of field plots
 species was recorded in:
70
Modal BEC Zone Class
ESSF

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

AT(15), BAFA(3), ESSF(44), ICH(1), IDF(1), IMA(1), MH(1), SBS(2), SWB(1)

Habitat and Range

Mesic to dry grasslands, meadows, forest openings, rocky slopes and ridges in all vegetation zones; common throughout BC; N to AK, YT and NT, E to ON and S to NM, ID, UT and WA.

SourceThe Illustrated Flora of British Columbia