A reappraisal of Schoenoplectus muricinux (Cyperaceae) including S. confusus and closely allied taxa in Africa
Passiflora kumandayi (Passifloraceae), a new species from the Colombian Andes in a new section within subgenus Decaloba
Palicella lueckingii (Lecanorales, Ascomycota), a new lichen species inhabiting Araucaria from the extratropical South America
A new species of Merostachys (Poaceae: Bambusoideae: Bambuseae: Arthrostylidiinae) with the northernmost distribution of the genus
A new species of Cymbella (Cymbellaceae, Bacillariophyceae) from China, possessing valves with both uniseriate and biseriate striae
Dendrophorbium capixabense (Compositae, Senecioneae), a new species from Espírito Santo, Brazil
Prodromus of a fern flora for Bolivia. XI. Gleicheniaceae
Prodromus of a fern flora for Bolivia. VIII. Marattiaceae
Prodromus of a fern flora for Bolivia. XXI. Dicksoniaceae
Prodromus of a fern flora for Bolivia. XXVIII. Cystopteridaceae
Prodromus of a fern flora for Bolivia. XXXI. Woodsiaceae
Prodromus of a fern flora for Bolivia. IV. Isoëtaceae
Prodromus of a fern flora for Bolivia. XXXVI. Lomariopsidaceae
Prodromus of a fern flora for Bolivia. XVIII. Culcitaceae
Prodromus of a fern flora for Bolivia. XVII. Loxsomataceae
Prodromus of a fern flora for Bolivia. XXII. Metaxyaceae
Prodromus of a fern flora for Bolivia. XIX. Plagiogyriaceae
Centaurea francoi, a replacement name for Centaurea crocata (Asteraceae), an endemic species from continental Portugal