]> [author note: Herbarium and types: main sets at A, MO; duplicates in many herbaria, e.g. B (extant), DUR, HPHm MOR, RSDR, SMS, UMO. Rosaceae (Crataegus)] [collector note: Central US, Quebec; A (orig.), GA, MO, NEBC, NY, US] Botany Palmer, Ernest Jesse Palmer, Ernest Jesse E. J. Palmer Ernest Jesse Palmer 1875 1962