MONTANA FIELD GUIDE™

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- Kingdom - Plants - Plantae
  - Division - Flowering Plants - Anthophyta
    - Class - Dicots - Dicotyledoneae
      - Order - Mustards/Capers - Capparales
        
        Family - Mustards - Brassicaceae
        
        Species - Western Tansymustard - Descurainia pinnata var. intermedia

Western Tansymustard - Descurainia pinnata var. intermedia

Other Names: Descurainia pinnata ssp. nelsonii

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Native Species

Global Rank: G5T5?
State Rank: SNR
C-value:

Agency Status
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USFS:
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General Description

See species description.

Diagnostic Characteristics

Lesica (2012) distinguishes variety intermedia from others by the following combination of characters: stems not glandular; fruits 12 mm or less long; pedicels 6-13 mm long.

Range Comments

The distribution is not easily determined given that some authors now include this variety within variety brachycarpa.

Observations in Montana Natural Heritage Program Database

Terms and Conditions of Use

Map Help and Descriptions

Number of Observations: 5
(Click on the following maps and charts to see full sized version)

Relative Density

Recency

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

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.
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Citation for data on this website:
Western Tansymustard — Descurainia pinnata var. intermedia. MONTANA FIELD GUIDE™. Montana Natural Heritage Program. Retrieved on October 1, 2026, from https://FieldGuide.mt.gov/speciesDetail.aspx?elcode=PDBRA0X03F