Penstemon xylus A.Nelson Bot. Gaz. 34: 31 (1902)

Nomenclatural References

• literature : Bot. Gaz. 34(1): 31 (-32). 1902 [16 Jul 1902] BHL link from IPNI metadata.
• literature : Freeman, C. C. (2017). Nomenclatural novelties and notes in Penstemon (Plantaginaceae). PhytoKeys, 80, 33–39. https://doi.org/10.3897/phytokeys.80.12962 DOI link from Plazi TreatmentBank.
• literature : Nelson, A. (1902). Contributions from the Rocky Mountain Herbarium. III. Botanical Gazette, 34(1), 21–35. https://doi.org/10.1086/328257 DOI link imported from Page, R. (2023). doi:10.5281/zenodo.7974720
• person : Aven Nelson (1859-1952) Based on occurrence of standard abbreviation 'A.Nelson' in the authors string.
• database : IPNI record: 187868-2
• database : The Plant List version 1.0, record: kew-2553325
• database : The Plant List version 1.1, record: kew-2553325