Crataegus sororia C.A.Mey. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Rosaceae genus Crataegus species Crataegus ambigua Name Homonyms Crataegus sororia Beadle Crataegus sororia C.A.Mey. ex Pojark. Crataegus sororia C.A.Mey.