Lemma quadrifolia (L.) Desr. ex Lam. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Salviniales family Marsileaceae genus Marsilea species Marsilea quadrifolia Name Homonyms Lemma quadrifolia (L.) Desr. Lemma quadrifolia (L.) Desr. ex Lam.