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... more about "Descurainia nelsonii"
Barbara E. Goodson +  and Ihsan A. Al-Shehbaz +
(Rydberg) Al-Shehbaz & Goodson +
Sophia nelsonii +
B.C. +, Calif. +, Idaho +, Mont. +, Nev. +, Oreg. +, Wash. +  and Wyo. +
800-3000 m +
Roadsides, sagebrush, wash bottoms, silty flats, gravelly grounds +
Flowering late May-mid Jul. +
Harvard Pap. Bot. +
Descurainia brachycarpa var. nelsonii +, Descurainia pinnata subsp. nelsonii +  and Descurainia pinnata var. nelsonii +
Descurainia nelsonii +
Descurainia +
species +