Zhang, L.-B. (2012)

Reducing the fern genus Dryopsis to Dryopteris and the systematics and nomenclature of Dryopteris subgenus Erythrovariae section Dryopsis (Dryopteridaceae)

. Phytotaxa 71 (1): 17–27. https://doi.org/10.11646/phytotaxa.71.1.4