Crataegus crus-galli var. danielsii (E.J.Palmer) Rickett Bot. Gaz. 98: 615. 1937

Nomenclatural References

• literature : Bot. Gaz. 98: 615. 1937 BHL link from IPNI metadata.
• literature : Rickett, H. W. (1937). Forms of Crataegus Crus-Galli. Botanical Gazette, 98(3), 609–616. https://doi.org/10.1086/334663 DOI link imported from Page, R. (2023). doi:10.5281/zenodo.7974720
• person : Ernest Jesse Palmer (1875-1962) Based on occurrence of standard abbreviation 'E.J.Palmer' in the authors string.
• person : Harold William Rickett (1896-1989) Based on occurrence of standard abbreviation 'Rickett' in the authors string.
• database : IPNI record: 68120-2