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Montana Field Guide

Montana Field Guides

Wall-cress - Arabidopsis thaliana
Other Names:  Mouse-ear Cress, Thale Cress

Non-native Species

Global Rank: GNR
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 1

External Links






 
General Description
Annual. Stems simple or branched, 10–30 cm. Vestiture: simple on the stems; simple and branched on the leaves. Basal leaves petiolate, oblong to spatulate, 5–25 mm long; margins entire to remotely dentate. Stem leaves narrowly oblong to linear. Flowers white; petals 2–3 mm long. Fruit 8–15 × 0.5–1 mm (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Introduced to most of temperate North America; native to Eurasia (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 14

(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
Sparsely vegetated soil of grasslands, sagebrush steppe, open forest, roadsides; valleys, montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Management

References
  • Additional ReferencesLegend:   View Online Publication
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    • Davidson, R.M. 1997. Temporal and spatial dynamics of herbicide resistant weeds. Ph.D. Dissertation. Bozeman, MT: Montana State University. 137 p.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Liu, P. 2011. Functional studies of type II heterodimeric phytochromes and end-modified type I phyas in Arabidopsis. Ph.D. Dissertation. Bozeman, MT: Montana State University. 125 p.
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Citation for data on this website:
Wall-cress — Arabidopsis thaliana.  Montana Field Guide.  .  Retrieved on , from