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Montana Field Guide

Montana Field Guides

Black Mustard - Brassica nigra

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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
Annual. Stems erect, branched above, 40–100 cm. Basal leaves lyrate-pinnate to lobed with dentate margins, early deciduous. Stem leaves reduced above, becoming ovate. Vestiture hirsute below to glabrous. Petals 6–9 mm long. Fruits: strictly erect; the body 8–15 mm long, strongly 2-nerved and angled; the beak 1–3 cm long, conical; pedicel ca. 2 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions

Non-native
 


Range Comments
Weedy across North America.

Observations in Montana Natural Heritage Program Database
Number of Observations: 16

(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

Ecology
POLLINATORS
The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus rufocinctus, Bombus sitkensis, and Bombus occidentalis (Thorp et al. 1983).

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.
    • Thorp, R.W., D.S. Horning, and L.L. Dunning. 1983. Bumble bees and cuckoo bumble bees of California (Hymenoptera: Apidae). Bulletin of the California Insect Survey 23:1-79.
  • 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.
  • Web Search Engines for Articles on "Black Mustard"
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Citation for data on this website:
Black Mustard — Brassica nigra.  Montana Field Guide.  .  Retrieved on , from