Taxonomy
- Taxonomic Rank
- Variety
- Author
- Neese
- Publication
- Great Basin Naturalist 46: 459 (1986)
Superior Taxa
- Kingdom
- Plantae
- Subkingdom
- Pteridobiotina
- Phylum
- Angiosperms
- Order
- Lamiales
- Family
- Plantaginaceae
- Genus
- Penstemon
- Species
- Penstemon angustifolius