Ptilimnium capillaceum (Michx.) Raf. ex Ser. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Apiales family Apiaceae genus Ptilimnium species Ptilimnium capillaceum Name Homonyms Ptilimnium capillaceum (Michx.) Raf. ex Ser. Ptilimnium capillaceum (Michx.) Hollick Ptilimnium capillaceum (Michx.) Raf.