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Montana Field Guide

Montana Field Guides

Saltwater Cress - Eutrema salsugineum
Other Names:  Arabidopsis salsuginea, Thellungiella salsuginea

Potential Species of Concern
Undetermined Origin

Global Rank: G5?
State Rank: SH

Agency Status
MNPS Threat Rank:

External Links

General Description
Taprooted, glabrous and glaucous annual. Stems erect, simple or branched, 5–15 cm. Leaves basal and cauline; the basal, petiolate, oblanceolate, 5–10 mm long; the cauline 5–15 mm long, lanceolate with clasping auriculate bases. Inflorescence an open, few-flowered, ebracteate raceme. Flowers white; petals 2–3 mm long. Fruit glabrous, erect siliques, 10–16 × 0.5–1 mm; style <0.2 mm long; seeds in 2 rows per locule (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
AK south to MT and CO; Asia. Our only collection was made 90 years ago in Beaverhead County; valleys. (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 4

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)


  • Additional ReferencesLegend:   View Online Publication
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    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Rollins, R. C. 1993. The Cruciferae of Continental North America: systematics of the mustard family from the Arctic to Panama. Stanford University Press, Stanford, California. 976 pp.
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Citation for data on this website:
Saltwater Cress — Eutrema salsugineum.  Montana Field Guide.  .  Retrieved on , from