Pteryxia Nutt. Dataset GBIF Backbone Taxonomy Rank GENUS Published in Nutt. (1840). In: Torr. & A. Gray, Fl. N. Amer. 1: 624. Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Apiales family Apiaceae genus Pteryxia Name Homonyms Pteryxia (Nuttall ex Torrey & A.Gray) J.M.Coulter & Rose Pteryxia Nutt. ex Torr. & A.Gray, 1840 Pteryxia Nutt.