Search Field Guide
Advanced Search
MT Gov Logo
Montana Field Guide

Montana Field Guides

Nelson's Tansymustard - Descurainia pinnata var. nelsonii

Native Species

Global Rank: G5T3T5
State Rank: SNR

Agency Status
MNPS Threat Rank:

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.

Species Range

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: 1

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



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

Login Logout
Citation for data on this website:
Nelson's Tansymustard — Descurainia pinnata var. nelsonii.  Montana Field Guide.  .  Retrieved on , from