Penstemon multiflorus (Benth.) Chapm. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Lamiales family Plantaginaceae genus Penstemon species Penstemon multiflorus Name Homonyms Penstemon multiflorus (Benth.) Chapm. ex Small Penstemon multiflorus Chapm. ex Benth., 1846 Penstemon multiflorus (Benth.) Chapm.