System Message: Staging server: Data release: 2023-12
Nomenclature: wfo-0001367666
Penstemon strictus subsp. angustus Contr. U.S. Natl. Herb. 20: 356 (1920)
Nomenclatural References
- literature : Contr. U.S. Natl. Herb. 20: 356. 1920 BHL link from IPNI metadata.
- person : Francis W. Pennell (1886-1952) Based on occurrence of standard abbreviation 'Pennell' in the authors string.
- database : IPNI record: 187795-2