View in other NatureServe Network Field Guides
NatureServe
Montana
Utah
Wyoming
Idaho
Wisconsin
British Columbia
South Carolina
Yukon
California
New York
Small-leaf Rockcress - Boechera microphylla
Other Names:
Arabis microphylla
Native Species
Global Rank:
G4
State Rank:
SNR
C-value:
Agency Status
USFWS:
USFS:
BLM:
External Links
General Description
Perennial, sometimes mat-forming from a simple to branched caudex. Stems 10–30 cm, slender, terminal. Basal leaves linear to narrowly oblanceolate, 7–20 mm long with entire or few-toothed margins. Stem leaves lanceolate, weakly auriculate. Vestiture of sparse, simple to branched hairs on basal leaves, glabrous above. Petals pink to purple, 4–6 mm long. Fruits spreading to erect, 2–5 cm × 1–1.5 mm; seeds wing-margined, in 1 row per locule (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Species Range
Montana Range
Range Descriptions
Native
Range Comments
BC, MT south to CA and UT (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX). Lescia's distributional data, however, are based on the taxonomic concept of two varieties. Users should note that Flora North America (Vol. 7) treats the varieties as separate species (B. casadensis and B. macounii).
Observations in Montana Natural Heritage Program Database
Number of Observations: 35
(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
Stewardship Responsibility
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?
Aho, Ken Andrew. 2006. Alpine and Cliff Ecosystems in the North-Central Rocky Mountains. Ph.D. Dissertation. Bozeman, Montana: Montana State University. 343 p.- Culver, D.R. 1994. Floristic analysis of the Centennial Region, Montana. M.Sc. Thesis. Montana State University, Bozeman. 199 pp.
- Flora of North America Editorial Committee, eds. 2010. Flora of North America North of Mexico. Volume 7. Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, Inc., NY. 832 pp.
- Hitchcock, C. L., A. Cronquist, M. Ownbey, and J. W. Thompson. 1964. Vascular Plants of the Pacific Northwest. Part 2: Salicaceae to Saxifragaceae. University of Washington Press, Seattle. 597 pp.
- 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.
- Quire, R.L. 2013. The sagebrush steppe of Montana and southeastern Idaho shows evidence of high native plant diversity, stability, and resistance to the detrimental effects of nonnative plant species. M.Sc. Thesis. Bozeman, MT: Montana State University. 124 p.
- Simanonok, M. 2018. Plant-pollinator network assembly after wildfire. Ph.D. Dissertation. Bozeman, MT: Montana State University. 123 p.
- Web Search Engines for Articles on "Small-leaf Rockcress"
