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Montana Field Guide

Montana Field Guides

Draba calcifuga - Draba calcifuga

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Status Under Review
Native Species

Global Rank: G3?
State Rank: S3
(see State Rank Reason below)
C-value:


Agency Status
USFWS:
USFS:
BLM:


 

External Links

State Rank Reason (see State Rank above)
A newly described species from timberline and alpine areas of sw Montana, Idaho and Wyoming. Its widespread distribution and high elevation habitat significantly reduce the potential of negative impacts to the species.
 
General Description
Mat-forming perennial. Stems simple, 1–12 cm. Basal leaves oblanceolate, 3–10 mm long, entire. Stem leaves absent. Vestiture of pectinate hairs, stalked forked or stellate hairs, and simple or forked cilia. Petals yellow, 3–6 mm long. Fruit ovate, ascending, 2–6 × 1.5–3 mm, pubescent with simple hairs; style 0.3–1 mm long; lower pedicels 2–12 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Phenology
Flowering occurs in June-July; Fruit present July-September

Range Comments
Southwest Montana into adjacent Idaho and western Wyoming.

Observations in Montana Natural Heritage Program Database
Number of Observations: 1

(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
Alpine habitats at treeline or above, typically on granitic parent materials.

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.
    • Lesica, Peter. 2009. "Draba calcifuga (Brassicaceae), a New Species from the Rocky Mountains of North America". Novon: A Journal for Botanical Nomenclature. 19 (2): 182-186.
  • Web Search Engines for Articles on "Draba calcifuga"
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Citation for data on this website:
Draba calcifuga — Draba calcifuga.  Montana Field Guide.  .  Retrieved on , from