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Montana Field Guide

Montana Field Guides

Payson's Whitlow-grass - Draba paysonii

Native Species

Global Rank: G5
State Rank: SNR
C-value:


Agency Status
USFWS:
USFS:
BLM:


 

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General Description
Mat-forming perennial. Stems simple, 1–5 cm. Basal leaves oblanceolate, 3–8 mm long, entire. Stem leaves lacking. Vestiture of dense, tangled, stalked branched hairs and long simple and branched hairs and cilia. Petals yellow, 3–4 mm long. Fruit ovate, ascending, 3–9 mm × 2–5 mm, pubescent with simple or forked hairs; style 0.4–1 mm long; lower pedicels 1–4 mm long. (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are varieties paysonii and treleasii (O.E. Schulz) C.L. Hitchc.

Species Range
Present
 


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

Observations in Montana Natural Heritage Program Database
Number of Observations: 7

(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
Stony, sparsely vegetated soil of exposed ridges, slopes; montane to alpine (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
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Citation for data on this website:
Payson's Whitlow-grass — Draba paysonii.  Montana Field Guide.  .  Retrieved on , from