Madotheca laevigata f. thuja (Dicks.) 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. thuja (Nees) Gottsche et al. Madotheca laevigata subsp. thuja (Dicks.) Boulay Madotheca laevigata f. thuja (Dicks.) Nees