Pyrus calleryana Maxim. Dataset GBIF Backbone Taxonomy Rank SPECIES Published in ; 1873, 172, 1873 Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Rosaceae genus Pyrus species Pyrus calleryana Name Homonyms Pyrus calleryana Decne. Pyrus calleryana Maxim.