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Montana Field Guide

Montana Field Guides

Nelson's Tansymustard - Descurainia pinnata var. nelsonii

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Native Species

Global Rank: G5T3T5
State Rank: SNR

Agency Status


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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



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

  • 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.
  • Web Search Engines for Articles on "Nelson's Tansymustard"
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Citation for data on this website:
Nelson's Tansymustard — Descurainia pinnata var. nelsonii.  Montana Field Guide.  .  Retrieved on , from