Crataegus calycina subsp. calycina Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Rosaceae genus Crataegus species Crataegus lindmanii Name Homonyms Crataegus calycina subsp. calycina Crataegus calycina var. calycina