Lastrea sparsa var. membranacea Arn. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Athyriaceae genus Athyrium species Athyrium anisopterum Name Homonyms Lastrea sparsa var. membranacea Arn. ex Bedd. Lastrea sparsa var. membranacea Arn.