Asplenium ×petrarchae Naylor, 1866 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Aspleniaceae genus Asplenium species Asplenium clermontiae Name Homonyms Asplenium petrarchae (Guérin) DC. Asplenium ×petrarchae Naylor, 1866