Martinellius rigidus (Nees) Trevis. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Marchantiophyta class Jungermanniopsida order Jungermanniales family Scapaniaceae genus Scapania species Scapania rigida Name Homonyms Martinellius rigidus Lindb. Martinellius rigidus (Nees) Trevis.