Crataegus pubescens f. humboldtii Stapf Bull. Misc. Inform. Kew 1914: 293 (1914)

Nomenclatural References

• literature : Bull. Misc. Inform. Kew 1914(8): 293, 297. [29 Oct 1914] BHL link from IPNI metadata.
• literature : Stapf, O. (1914). The Mexican Hawthorn. (Crataegus pubescens, H.B.K.). Bulletin of Miscellaneous Information (Royal Gardens, Kew), 1914(8), 289. https://doi.org/10.2307/4118552 DOI link imported from Page, R. (2023). doi:10.5281/zenodo.7974720
• person : Otto Stapf (1857-1933) Based on occurrence of standard abbreviation 'Stapf' in the authors string.
• database : IPNI record: 294545-2