Crataegus engelmannii f. nuda E.J.Palmer Ann. Missouri Bot. Gard. 22: 559 (1935)

Nomenclatural References

• literature : Ann. Missouri Bot. Gard. 22: 559. 1935 In Steyermark, Rhodora, 40: 132. 1938 BHL link from IPNI metadata.
• literature : Palmer, E. J., & Steyermark, J. A. (1935). An Annotated Catalogue of the Flowering Plants of Missouri. Annals of the Missouri Botanical Garden, 22(3), 375. https://doi.org/10.2307/2394215 DOI link imported from Page, R. (2023). doi:10.5281/zenodo.7974720
• database : IPNI record: 68250-2