Cystidium Lindl. Dataset GBIF Backbone Taxonomy Rank GENUS Published in Veg. Kingd.: 80 (1846) Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Cystodiaceae genus Cystodium Name Homonyms Cystidium J.Sm., 1861 Cystidium Hertwig, 1879 Cystidium Lindl.