Dryopteris tyrrhena Fraser-Jenk. & Reichst. in Fern Gaz. 11: 177. 1975 Dryopteris tyrrhena Fraser-Jenk. & Reichst. in Fern Gaz. 11: 177. 1975is new name for Aspidium nevadense Boiss., Elench. Pl. Nov.: 93. 1838Taxon for this nameDryopteris tyrrhena Fraser-Jenk. & Reichst. in Fern Gaz. 11: 177. 1975