Typification and nomenclature of Polypodium wallichii (Dipteris wallichii, Dipteridaceae)

Typification of the name Pteris multifida (Pteridaceae subfamily Pteridoideae)

Remarks on the type of the Linnaean name Asplenium marinum (Aspleniaceae)

Four new species of the fern genus Goniopteris C. Presl (Thelypteridaceae) from Brazilian Atlantic Forest

Nomenclatural notes on Phlegmariurus dentatus (Lycopodiaceae)

Molecular Phylogeny and Recircumscription of the Fern Genus Pecluma (Polypodiaceae–Polypodiopsida)

Additions, deletions and changes to the Ecuadorian Lycopodiaceae

Lectotypification of the name Regnellidium diphyllum (Marsileaceae)

Parapolystichum novoguineense (comb. nov.; Dryopteridaceae) from New Guinea

A new hybrid and further taxonomic notes on Brazilian tree ferns (Cyatheaceae)