Three new species of Freziera (Pentaphylacaceae, Freziereae) from Bolivia and Peru
Cocconeis kurakakea, a new diatom species from Nukutavake (Tuamotu Archipelago, South Pacific): description and comparison with C. diruptoides and C. pseudodiruptoides
Lectotypifications, epitypifications and neotypifications in Zygophyllaceae species from South America
Rediscovery of Croton hadrianii (Euphorbiaceae), a well distributed but long-forgotten species in Brazilian Amazon
A new species of Nagumoea (Bacillariophyta) from Antarctica, and a further consideration of the systematic position of the genus
Hoehnea grandiflora (Lamiaceae), a rare, critically endangered new species from southern Brazil
Gastrodia elatoides (Orchidaceae: Epidendroideae: Gastrodieae), a new holomycoheterotrophic orchid from Madagascar
Heliocybe villosa sp. nov., a new member to the genus Heliocybe (Gloeophyllales)
Eugenia coetzalensis (Myrtaceae), a new species from central Veracruz, Mexico
Pleurothallis hawkingii and Pleurothallis vide-vallis (Orchidaceae; Epidendroideae), two new species from Cordillera de Guanacaste in Costa Rica
Aspidistra extrorsa (Asparagaceae), a new species from limestone areas in Guangxi, China
Begonia qingchengshanensis (sect. Reichenheimia, Begoniaceae), a new species from Sichuan, China
