Erysimum Linnaeus. Wallflower, Treacle Mustard.
Key to Erysimum
A genus of ca. 150-180 species, of the Northern Hemisphere.
Ref: Al-Shehbaz (1988d); Al-Shehbaz (2010a) In Flora of North America Editorial Committee (2010); Rollins (1993). Show full citations.
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