Typifications of the Linnaean name Equisetum hyemale and E. ×moorei (Equisetaceae)
Two new species segregated from Hymenophyllum tunbrigense (Hymenophyllaceae) in southern South America, based on morphological, anatomical, molecular and distributional evidence
Validation of Calciphilopteris wallichii and lectotype designation for closely related C. ludens (Cheilanthoideae, Pteridaceae)
The family Blechnaceae (Polypodiopsida) in Brazil: key to the genera and taxonomic treatment of Austroblechnum, Cranfillia, Lomaridium, Neoblechnum and Telmatoblechnum for southern and southeastern Brazil
New combinations in Struthiopteris spicant for the European flora
Huperzia wusugongii nom. nov. (Lycopodiopsida: Huperziaceae) from West China
Dendrolycopodium verticale comb. nov. (Lycopodiopsida: Lycopodiaceae) from China
Polystichum duyunense (subg. Haplopolystichum; Dryopteridaceae), a new cave fern from Guizhou, China
Parablechnum roraimense and P. paucipinna spp. nov. (Blechnaceae: Polypodiopsida), lectotypification of P. stuebelii, and citation corrections in the family
