Mountain Tansymustard - Descurainia incana var. macrosperma
Descurainia incana ssp. procera
See species description.
Lesica (2012) indicates that variety macrosperma can be distinguished from the others by the following characters: pedicels of mature fruit erect or erect-spreading; herbage (stem and leaves) glarous to hairy but not but not densely hairy.
The present distribution is uncertain given that many authors no longer recognize varieties in this species.
- Additional ReferencesLegend: View Online Publication
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- Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.