Sphenolobus exsectus f. gracilis Schiffn. Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Marchantiophyta class Jungermanniopsida order Jungermanniales family Lophoziaceae genus Tritomaria species Tritomaria exsecta Name Homonyms Sphenolobus exsectus f. gracilis Schiffn.