Rosa ×alba var. semiplena Ser. Dataset GBIF Backbone Taxonomy Rank VARIETY Published in Mél. Bot. 1: 36 (1818) Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Rosaceae genus Rosa species Rosa alba Name Homonyms Rosa ×alba var. semiplena Ser. Rosa ×alba subsp. semiplena Thory