Madotheca laevigata f. attenuata Nees Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Marchantiophyta class Jungermanniopsida order Porellales family Porellaceae genus Porella species Porella arboris-vitae Name Homonyms Madotheca laevigata var. attenuata (Nees) Gottsche et al. Madotheca laevigata var. attenuata (Nees) Debat Madotheca laevigata f. attenuata Nees