Callitriche pallens Gray, 1821 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Lamiales family Plantaginaceae genus Callitriche species Callitriche palustris Name Homonyms Callitriche pallens M.Bieb. Callitriche pallens Goldb. Callitriche pallens Gray, 1821