Cheilanthes rigescens Kunze ex Mart. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Pteridaceae genus Cheilanthes species Cheilanthes rigescens Name Homonyms Cheilanthes rigescens Kunze Cheilanthes rigescens Kunze ex Mart.