Penstemon grandiflorus Fraser Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Lamiales family Plantaginaceae genus Penstemon species Penstemon bradburyi Name Homonyms Penstemon grandiflorus Nutt. Penstemon grandiflorus Fraser Penstemon grandiflorus F.Dietr.