Penstemon glandulosus subsp. glandulosus Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Lamiales family Plantaginaceae genus Penstemon species Penstemon glandulosus Name Homonyms Penstemon glandulosus var. glandulosus Penstemon glandulosus subsp. glandulosus