Cynapium Nutt. ex Torr. & A.Gray Dataset GBIF Backbone Taxonomy Rank GENUS Published in Fl. N. Amer. 1: 640 (1840) Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Apiales family Apiaceae genus Ligusticum Name Homonyms Cynapium Rupr., 1860 Cynapium Nutt. ex Torr. & A.Gray Cynapium Nuttall, 1840