Penstemon deustus subsp. sudans (M.E.Jones) Pennell & D.D.Keck Amer. Midl. Naturalist 23: 600 (1940)

Nomenclatural References

• literature : Amer. Midl. Naturalist 23: 600. 1940 BHL link from IPNI metadata.
• literature : Keck, D. D. (1940). Studies in Penstemon. VII. The Subsections Gairdneriani, Deusti, and Arenarii of the Graciles, and Miscellaneous New Species. American Midland Naturalist, 23(3), 594. https://doi.org/10.2307/2420449 DOI link imported from Page, R. (2023). doi:10.5281/zenodo.7974720
• person : David D. Keck (1903-1995) Based on occurrence of standard abbreviation 'D.D.Keck' in the authors string.
• person : Francis W. Pennell (1886-1952) Based on occurrence of standard abbreviation 'Pennell' in the authors string.
• person : Marcus E. Jones (1852-1934) Based on occurrence of standard abbreviation 'M.E.Jones' in the authors string.
• database : IPNI record: 187347-2