Chrysopsis (Nuttall) Elliott. Golden-aster.
A genus of about 12-15 species, herbs, of se. North America, Mexico, and the Bahamas. This remains a difficult and rather poorly understood group. The appropriate taxonomic status of many of the entities remains unclear; for the moment, I am recognizing a number of entities at the specific level, the appropriate nomenclatural combinations not already available in all cases.
Ref: Cronquist (1980); DeLaney, Wunderlin, & Semple (2003); Harms (1974); Nesom (2000b); Semple (1981); Semple (1996); Semple (2006c) In Flora of North America Editorial Committee (2006b); Ward (2012a). Show full citations.
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