Crataegus viridis var. nitida Engelm. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Rosaceae genus Crataegus species Crataegus nitida Name Homonyms Crataegus viridis var. nitida Engelm. ex Britton & N.E.Brown Crataegus viridis var. nitida Engelm.