Pleopeltis (Polypodiaceae) in Brazil
Formal recognition of six subordinate taxa within the South American bracken fern, Pteridium esculentum (P. esculentum subsp. arachnoideum s.l.—Dennstaedtiaceae), based on morphology and geography
Adiantum viscosum (Pteridaceae), a new species endemic to sclerophyllous forest of Central Chile
Novelties in Austroblechnum (Blechnaceae) from Colombia
Abrodictyum inexpectatum, an unexpected new fern species (Hymenophyllaceae, Polypodiidae) for Madagascar, as revealed by an integrative approach
A nomenclator for Elaphoglossum section Polytrichia (Dryopteridaceae), with notes on the identification and biogeography of its species