×Pyrocydonia Guillaumin Dataset GBIF Backbone Taxonomy Rank GENUS Published in Bull. Soc. Dendrol. France 56: 63 (1925) Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Rosaceae genus Pyrocydonia Name Synonyms ×Pirocydonia H.K.A.Winkl. ex L.L.Daniel ×Pyronia H.J.Veitch Homonyms Pyrocydonia Rehder, 1926 ×Pyrocydonia Guillaumin Pyrocydonia H.K.A.Winkl. ex L.L.Daniel