Nomenclature: wfo-0001367612
Penstemon cobaea subsp. typicus Monogr. Acad. Nat. Sci. Philadelphia 1: 249 (1935)
Nomenclatural References
- person : Francis W. Pennell (1886-1952) Based on occurrence of standard abbreviation 'Pennell' in the authors string.
- database : IPNI record: 187279-2