Lactuca sororia subsp. glabra Kitam. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Paraprenanthes species Paraprenanthes sororia Name Homonyms Lactuca sororia f. glabra Ling, 1935 Lactuca sororia var. glabra Kitam., 1937 Lactuca sororia subsp. glabra Y.Ling Lactuca sororia subsp. glabra Kitam.