Crataegus mackenziei var. aspera (Sarg.) E.J.Palmer Brittonia 5: 487 (1946)

Nomenclatural References

• literature : Palmer, E. J. (1946). Crataegus in the Northeastern and Central United States and Adjacent Canada. Brittonia, 5(5), 471. https://doi.org/10.2307/2804829 DOI link imported from Page, R. (2023). doi:10.5281/zenodo.7974720
• person : Charles Sprague Sargent (1841-1927) Based on occurrence of standard abbreviation 'Sarg.' in the authors string.
• person : Ernest Jesse Palmer (1875-1962) Based on occurrence of standard abbreviation 'E.J.Palmer' in the authors string.
• database : IPNI record: 68563-2
• database : The Plant List v1.1 record rjp-5363
• database : The Plant List version 1.0, record: rjp-5363