Trifolium obscurum Guss., 1821 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fabales family Fabaceae genus Trifolium species Trifolium leucanthum Name Homonyms Trifolium obscurum Savi Trifolium obscurum Thell. ex Pau, 1929 Trifolium obscurum Guss., 1821 Trifolium obscurum Thell.