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

Muhlenbergia andina (Nutt.) Hitchc.
foxtail muhly
Poaceae (Grass family)

Introduction to Vascular Plants

© Larry Halverson  Email the photographer   (Photo ID #8095)

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Distribution of Muhlenbergia andina
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Species Information

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General:
Perennial grass from creeping rhizomes; stems hollow, erect, 25-85 cm tall.
Leaves:
Sheaths usually minutely rough near the base; blades flat, 2-4 (5) mm wide, 4-16 cm long, rough- hairy below, hairy above; ligules membranous, jagged to fringed with fine hairs, squared-off at the tips, 0.5-1.5 mm long.
Flowers:
Inflorescence a narrow, spikelike, compact, densely flowered, interrupted or lobed panicle, 2-15 cm long, 5-24 (28) mm wide, the branches 0.5-5 cm long, appressed, ascending; spikelets 1-flowered, nearly unstalked to short-stalked; glumes very narrow, long-pointed to awn-tipped, 1-nerved, minutely rough on the nerve, usually minutely short-hairy, about equal, 2-4 mm long; lemmas lanceolate, greyish-green, the bodies from slightly shorter to somewhat longer than the glumes (not including the awn tips), 2-3.5 mm long, awned, the awns slender, terminal, (1) 4-10 mm long, the calluses bearded with numerous silky hairs nearly or fully as long as the lemmas; paleas lanceolate, almost equal to the lemmas, with silky hairs between the nerves near the base, the tips long-pointed; anthers 0.4-1.5 mm long, yellow.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Wet to moist canyons, streambanks, meadows, and hot springs (in tufa) in the montane zone; rare in SE BC, known only from Fairmont Hot Springs; disjunctly E to MB and S to TX, NM, AZ and CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Muhlenbergia andina

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) 930 930 930
Slope Gradient (%) 0 0 0
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
6 6 6
Modal Nutrient Regime
Class
D
Number of field plots
 species was recorded in:
1
Modal BEC Zone Class
IDF
All BEC Zones (# of stations/zone) species was recorded in: IDF(1)

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

Muhlenbergia comata (Thurb.) Thurb. ex Benth.

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References