Crataegus oxyacantha var. pteridifolia Lodd. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Rosaceae genus Crataegus species Crataegus kyrtostyla Name Homonyms Crataegus oxyacantha var. pteridifolia Lodd. ex Loudon Crataegus oxyacantha var. pteridifolia Lodd.