Lactuca sativa subsp. longifolia (Lam.) Alef. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Lactuca species Lactuca sativa Name Homonyms Lactuca sativa subsp. longifolia (Lam.) Alef. Lactuca sativa var. longifolia Lam. Lactuca sativa f. longifolia (Lam.) Vollm. Lactuca sativa var. longifolia Gaudin