Anthoceros autoicus Steph. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Anthocerotophyta class Anthocerotopsida order Notothyladales family Notothyladaceae genus Phaeoceros species Phaeoceros carolinianus Name Homonyms Anthoceros autoicus Steph. Anthoceros autoicus Steph. ex Paris