Penstemon filifolius Nutt. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Lamiales family Plantaginaceae genus Penstemon species Penstemon laricifolius Name Homonyms Penstemon filifolius Nutt. ex Benth. Penstemon filifolius Nutt.