Penstemon pseudospectabilis subsp. bicolor (Brandegee) D.D.Keck Amer. Midl. Naturalist 18: 806 (1937)

Nomenclatural References

• literature : Amer. Midl. Naturalist 18: 806. 1937 BHL link from IPNI metadata.
• literature : Keck, D. D. (1937). Studies in Penstemon V. The Section Peltanthera. American Midland Naturalist, 18(5), 790. https://doi.org/10.2307/2420419 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 : Townshend Stith Brandegee (1843-1925) Based on occurrence of standard abbreviation 'Brandegee' in the authors string.
• database : IPNI record: 187702-2
• database : The Plant List v1.1 record tro-50116272
• database : The Plant List version 1.0, record: tro-50116272