1. Astragalus atratus var. arctus E.Sheld.

    1. This is a synonym of Astragalus atratus S.Watson

Astragalus atratus var. arctus E.Sheld. appears in other Kew resources:

First published in Bull. Geol. Nat. Hist. Surv. 9: 160 (1894)

Sources

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0