System Message: Staging server: Data release: 2023-12
Nomenclature: wfo-0001375769
![Arthur Cronquist (1919-1992) Arthur Cronquist (1919-1992)](http://commons.wikimedia.org/wiki/Special:FilePath/Arthur%20Cronquist%20-%20American%20botanist.jpg)
Penstemon davidsonii var. praeteritus Leafl. W. Bot. 10: 129 (1964)
Nomenclatural References
- person : Arthur Cronquist (1919-1992) Based on occurrence of standard abbreviation 'Cronquist' in the authors string.
- database : IPNI record: 187332-2
Taxonomy: Accepted in 2021-12 classification
Occurs in: 2021-12 : 2022-06 : 2022-12 : 2023-06 : 2023-12 : 2024-06 : 9999-01Placement: Angiosperms > Lamiales > Plantaginaceae > Penstemon > Penstemon davidsonii > Penstemon davidsonii var. praeteritus