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- Kingdom - Plants - Plantae
  - Division - Flowering Plants - Anthophyta
    - Class - Dicots - Dicotyledoneae
      - Order - Mustards/Capers - Capparales
        
        Family - Mustards - Brassicaceae
        
        Species - Nelson's Tansymustard - Descurainia pinnata var. nelsonii

Nelson's Tansymustard - Descurainia pinnata var. nelsonii

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Native Species

Global Rank: G5T3T5
State Rank: SNR
C-value:

Agency Status
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External Links

General Description

See species description.

Diagnostic Characteristics

Lesica (2012) separates variety nelsonii from teh others by the absence of glandular hairs on the stems; fruits less 12 mm or less long; and pedicels 2-6 mm long.

Range Comments

BC and MT south to CA, NV, ID, WY and CO (Kartesz 2009).

Observations in Montana Natural Heritage Program Database

Number of Observations: 2

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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:
Nelson's Tansymustard — Descurainia pinnata var. nelsonii. Montana Field Guide. Montana Natural Heritage Program. Retrieved on May 31, 2025, from https://FieldGuide.mt.gov/speciesDetail.aspx?elcode=PDBRA0X03H