Ludwigia palustris subsp. pacifica Fernald & Griscom Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Myrtales family Onagraceae genus Ludwigia species Ludwigia palustris Name Homonyms Ludwigia palustris var. pacifica Fernald & Griscom Ludwigia palustris subsp. pacifica Fernald & Griscom