Rosa praecox Steud. Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Nomencl. Bot., ed. 2, 2: 471 (1841) Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Rosaceae genus Rosa species Rosa praecox Name Homonyms Rosa praecox Boullu ex Déségl. Rosa praecox Boullu Rosa praecox Steud.