Type	Article
Authors(s)	Zhang LB, Zhang L.
Year	2012
Title	The inclusion of Acrophorus, Diacalpe, Nothoperanema, and Peranema in Dryopteris: The molecular phylogeny, systematics, and nomenclature of Dryopteris subg.
Periodical	Taxon
Volume	61
Page(s)	1199–1216