Lycopodium cernuum f. durissimum Herter Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Lycopodiopsida order Lycopodiales family Lycopodiaceae genus Palhinhaea species Palhinhaea cernua Name Homonyms Lycopodium cernuum f. durissimum Herter ex Nessel Lycopodium cernuum f. durissimum Herter