Ephemerum Dataset GBIF Backbone Taxonomy Rank GENUS Classification kingdom Plantae phylum Bryophyta class Bryopsida order Funariales family Ephemeraceae genus Ephemerum Name Homonyms Ephemerum Mill. Ephemerum Hill, 1753 Ephemerum Hampe Ephemerum Tourn. ex Moench, 1794 Ephemerum Rchb.