Crataegus crus-galli var. prunifolia Torrey & A.Gray Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Rosaceae genus Crataegus species Crataegus persimilis Name Homonyms Crataegus crus-galli var. prunifolia Torrey & A.Gray Crataegus crus-galli var. prunifolia Loudon