Barbarea vulgaris var. brachycarpa Rouy & Foucaud:
Canada (North America)
United States (North America)
Canada (North America)
United States (North America)
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Fernald, M. 1950. Manual (ed. 8) i–lxiv, 1–1632. American Book Co., New York.
http://www.tropicos.org/Reference/1327
