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Montana Field Guide

Montana Field Guides

Few-seed Whitlow-grass - Draba oligosperma


Global Rank: G5
State Rank: S5

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value:

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General Description
Mat-forming perennial. Stems simple, 1–12 cm. Basal leaves oblanceolate, 3–10 mm long, entire. Stem leaves lacking. Vestiture of sessile pectinate hairs often aligned parallel to the midvein, rarely with some simple or forked cilia. Petals yellow, 3–6 mm long. Fruit ovate, ascending, 2–6 mm × 1.5–3 mm, pubescent with simple hairs; style 0.3–1 mm long; lower pedicels 2–12 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
AK south to CA and CO (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 25

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

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



Habitat
Sparsely vegetated, stony soil of grasslands, open forest, rock outcrops, exposed slopes and ridges; montane to alpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Few-seed Whitlow-grass — Draba oligosperma.  Montana Field Guide.  .  Retrieved on , from