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Montana Field Guide

Montana Field Guides

Mountain Big Sagebrush - Artemisia tridentata ssp. vaseyana

Native Species

Global Rank: G5T4T5
State Rank: S4S5

Agency Status
MNPS Threat Rank:
C-value: 3

External Links

General Description
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Diagnostic Characteristics
Subspecies vaseyana is usually less than 1 meter tall and has a flat crown. Its inflorescences arise mostly from the outer edges of the crown; the leaf lobes are of approximately equal length and less than 3 cm long, and the involucres are less than 4 mm long.

Species Range

Range Comments
BC and AB south to CA and east to NM (Kartesz 2009).

Observations in Montana Natural Heritage Program Database
Number of Observations: 304

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Relative Density



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

  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Johnson, K. A. 2000. Artemisia tridentata ssp. vaseyana. In: Fire Effects Information System, [Online}. U. S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer).
    • Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
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Citation for data on this website:
Mountain Big Sagebrush — Artemisia tridentata ssp. vaseyana.  Montana Field Guide.  .  Retrieved on , from