Crataegus parvifolia Willd. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Rosaceae genus Crataegus species Crataegus aestivalis Name Homonyms Crataegus parvifolia Lojac. Crataegus parvifolia (Soland.), 1789 Crataegus parvifolia Willd. ex Torr. & A.Gray Crataegus parvifolia Sol. Crataegus parvifolia Aiton