Marsdenia fusca C.Wright Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Apocynaceae genus Ruehssia species Ruehssia fusca Name Homonyms Marsdenia fusca C.Wright ex Griseb. Marsdenia fusca Schltr. Marsdenia fusca C.Wright