Lathyrus palustris var. meridionalis Butters & 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 Lathyrus palustris var. meridionalis Butters & H.St.John