Nomenclature: wfo-0001411562
Penstemon secundiflorus var. caudatus Man. Bot. Rocky Mt. , ed. 2: 444 (1909)
Nomenclatural References
- database : IPNI record: 1052631-2 Originally associated with wfo-0001413208
- database : IPNI record: 187765-2
Taxonomy: Deprecated in 2022-12
Do not use this name.