Crataegus calpodendron var. hispida (Sarg.) E.J.Palmer A synonymized checklist of the vascular flora of the United States, Canada, and Greenland ; 1994 516 1994

Nomenclatural References

• 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 : The Plant List v1.1 record rjp-5088
• database : The Plant List version 1.0, record: rjp-5088