Pyrus americana (Marshall) Sprengel Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Rosaceae genus Sorbus species Sorbus americana Name Homonyms Pyrus americana (Marshall) DC. Pyrus americana S.Watson & J.M.Coult. Pyrus americana (Marshall) Sprengel Pyrus americana Cooper