Crataegus calpodendron (Ehrh.) Borkh. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Rosaceae genus Crataegus species Crataegus calpodendron Name Homonyms Crataegus calpodendron (Ehrh.) Medik. Crataegus calpodendron (Ehrh.) Borkh.