Lathryus palustris var. retusus Fernald & H.St.John Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fabales family Fabaceae genus Lathyrus species Lathyrus palustris Name Homonyms Lathryus palustris var. retusus Fernald & H.St.John