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Montana Field Guide

Montana Field Guides

White Mustard - Sinapis alba
Other Names:  Brassica hirta, Brassica alba

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Non-native Species

Global Rank: GNR
State Rank: SNA
C-value: 1


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Stems 20–60 cm. Leaves 8–20 cm long with dentate margins. Vestiture hirsute with simple hairs to nearly glabrous. Petals 10–15 mm long. Fruit spreading, 7–15 mm long, hirsute, the beak 1–2 cm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Gallatin and Toole counties; introduced throughout temperate North America (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 7

(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

Management


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?
    • Jones, W. W. 1901. Preliminary flora of Gallatin County. M.S. Thesis. Bozeman, MT: Montana State College. 78 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.
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Citation for data on this website:
White Mustard — Sinapis alba.  Montana Field Guide.  .  Retrieved on , from