Iris gracilis Bigelow Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Fl. Boston.: 12 (1814) Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Asparagales family Iridaceae genus Iris species Iris prismatica Name Homonyms Iris gracilis Licht. ex Roem. & Schult. Iris gracilis Maxim. Iris gracilis Berg Iris gracilis Bigelow Iris gracilis Licht.