Swainsona formosa (G.Don) JoyThomps. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fabales family Fabaceae genus Swainsona species Swainsona formosa Name Homonyms Swainsona formosa (G.Don) Joy Thomps. Swainsona formosa (G.Don) JoyThomps.