Cotoneaster aestivalis f. angustifolia A.Gray Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Rosaceae genus Crataegus species Crataegus aestivalis Name Homonyms Cotoneaster aestivalis f. angustifolia A.Gray ex Wenz. Cotoneaster aestivalis f. angustifolia A.Gray