Ceterach officinarum var. stenolobum Gesenti Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Aspleniaceae genus Asplenium species Asplenium ceterach Name Homonyms Ceterach officinarum var. stenolobum Asch. & Graebn.