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Montana Field Guide

Montana Field Guides

Pumpelly's Brome - Bromus inermis ssp. pumpellianus
Other Names:  Bromus pumpellianus, Bromus inermis var. purpurascens

Native Species

Global Rank: G5T5
State Rank: SNR

Agency Status
MNPS Threat Rank:

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General Description
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Diagnostic Characteristics
The following combination of characters typically distinguishes subspecies pumpellianus, which is considered native, from subspecies inermis: Lemmas sparsely to densely hairy dorsally and or marginally; nodes and upper leaf blades sometimes hairy; awns usually present and up to 7.5 mm long (Pavlick and Anderton, 2007, in Fl. North America, Vol. 24).

Species Range

Range Comments
From AK and much of Canada south through NV, CO, NM, NE, MI and NY (Kartesz 2009).

Observations in Montana Natural Heritage Program Database
Number of Observations: 9

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Relative Density



(Observations spanning multiple months or years are excluded from time charts)

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Citation for data on this website:
Pumpelly's Brome — Bromus inermis ssp. pumpellianus.  Montana Field Guide.  .  Retrieved on , from