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Montana Field Guide

Montana Field Guides

Nuttall's Rockcress - Arabis nuttallii
Other Names:  Arabis bridgeri


Global Rank: G5
State Rank: S4?

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 4

External Links






 
General Description
Perennial from a simple to branched caudex. Stems 4–30 cm, unbranched. Basal leaves spatulate, to 3 cm long with entire to crenate margins. Stem leaves lanceolate, not auriculate. Vestiture: basal leaves glabrous, ciliate or with coarse simple and forked hairs; cauline leaves ciliate. Petals 5–8 mm long. Fruits 1–4 cm × 1–2 mm, erect on spreading stalks (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
BC, AB south to WA, UT and WY (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 34

(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
Vernally moist soil of grasslands, steppe, meadows, open forest; valleys 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:
Nuttall's Rockcress — Arabis nuttallii.  Montana Field Guide.  .  Retrieved on , from