Sometimes more than one authority is associated with a taxon. For example, consider the name Strophostyles helvola (L.) Elliott. Linnaeus described Phaseolus helvolus. Elliott took this species out of Phaseolus and placed it in a new genus, Strophostyles, that he had described. The parenthetical authority is thus the one responsible for first using the name in question. Another combination of authorities that is seen indicates the publication by one person of a name that they ascibe to another, as in Crataegus succulenta Schrader ex Link. Here, the name succulenta was first used by Schrader, but was validly published only by Link.
Following is a list of the authorities who described plants in this checklist.
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Last revision: 7/10/96
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