Athyrium aberrans (Athyriaceae), a new species of the lady ferns from southeastern Xizang, China, based on morphological and molecular evidence

Ophioglossum isanense sp. nov. (Ophioglossaceae, Pteridophyta) from Thailand

Reestablishing Dicranopteris spissa (Gleicheniaceae, Polypodiopsida) from synonymy, an endemic species from Brazil

LECTOTYPIFICATION OF ISOETES DIXITII SHENDE (ISOETACEAE) ENDEMIC TO INDIA

The Lycopodiaceae of Panamá

Adiantum japonicum, a new species of the Adiantum pedatum complex (Pteridaceae) from Japan

Hypodematium chrysolepis comb. nov. from Africa and H. eglandulosum sp. nov. from Asia (Hypodematiaceae)

Taxonomic and nomenclatural notes on Philippine ferns. IV. Asplenium pahli (Polypodiales, Aspleniineae, Aspleniaceae), a new species from Leyte, Philippines

New taxonomic treatment for Trichomanes parvulum Poir. and T. dregei Bosch (Hymenophyllaceae, Polypodiidae)

Selaginella qingchengshanensis (sect. Heterostachys; Selaginellaceae), a new species from Sichuan, China