Thesium tenuifolium Saut. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Santalales family Thesiaceae genus Thesium species Thesium alpinum Name Homonyms Thesium tenuifolium Saut. ex W.D.J.Koch Thesium tenuifolium Saut.