Drymaria crassifolia (L.) J.Sm. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Polypodiaceae genus Niphidium species Niphidium crassifolium Name Homonyms Drymaria crassifolia Benth. Drymaria crassifolia (L.) J.Sm.