Psilotum nudum var. molesworthii Iranzo et al. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Psilotales family Psilotaceae genus Psilotum species Psilotum nudum Name Homonyms Psilotum nudum var. molesworthii Iranzo et al.