Snowbed Whitlow-grass - Draba crassifolia
MNPS Threat Rank
Annual to short-lived perennial from a simple to few-branched caudex. Stems 3–8 cm unbranched. Basal leaves narrowly oblanceolate, 4–20 mm long with mostly entire margins. Stem leaves 0 to 2. Vestiture of simple and forked cilia on leaf margins, otherwise glabrous. Petals yellow, 2–3 mm long. Fruit ascending, 4–9 ×1.5–2 mm, glabrous; style up to 0.1 mm long; lower pedicels 3–8 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
AK to Greenland south to CA, AZ and CO (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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Moist, sparsely vegetated soil of meadows, rocky slopes, often sites of late snowmelt or shade of boulders or cliffs; subalpine to alpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
- Additional ReferencesLegend: View Online Publication
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- Hawkins, P.H. 1903. The alpine flora of Montana. M.Sc. Thesis, Bozeman, MT: Montana State University. 24 pp.
- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
- Martin, S.A. 1985. Ecology of the Rock Creek bighorn sheep herd, Beartooth Mountains, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 152 p.
- Martinka, R.R. 1970. Structural characteristics and ecological relationships of male blue grouse (Dendragapus obscurus (Say)) territories in southwestern Montana. Ph.D Dissertation. Bozeman, MT: Montana State University. 73 p.
- Williams, K.L. 2012. Classification of the grasslands, shrublands, woodlands, forests and alpine vegetation associations of the Custer National Forest portion of the Beartooth Mountains in southcentral Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 376 p.