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Flaxleaf Plainsmustard - Schoenocrambe linifolia
Other Names:
Salmon River Plains-mustard,
Sisymbrium linifolium, Hesperidanthus linearifolius, Thelypodiopsis linearifolia
Native Species
Global Rank:
G5
State Rank:
SNR
C-value:
Agency Status
USFWS:
USFS:
BLM:
External Links
General Description
Glabrous, rhizomatous perennial. Stems erect, branched, 20–70 cm from a branched caudex. Leaves all cauline, sessile, linear, 25–60 mm long, entire, inrolled. Inflorescence an ebracteate raceme. Flowers yellow; petals 6–10 mm long. Fruits linear siliques, 2–6 cm long; style up to 1 mm long; seeds in 1 row per locule; pedicels ascending, 4–6 mm long (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Range Comments
BC to OR, MT, WY to NV, UT and NM. East of the Cascades.
Observations in Montana Natural Heritage Program Database
Number of Observations: 23
(Click on the following maps and charts to see full sized version)
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Relative Density
Recency
(Observations spanning multiple months or years are excluded from time charts)
Habitat
Stewardship Responsibility
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?
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.- Quire, R.L. 2013. The sagebrush steppe of Montana and southeastern Idaho shows evidence of high native plant diversity, stability, and resistance to the detrimental effects of nonnative plant species. M.Sc. Thesis. Bozeman, MT: Montana State University. 124 p.
- Sater, S. 2022. The insects of Sevenmile Creek, a pictorial guide to their diversity and ecology. Undergraduate Thesis. Helena, MT: Carroll College. 242 p.
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