The re-establishment of Tillandsia cucaensis (Bromeliaceae), a good species formerly confused with a new species from the Gulf of Honduras
A synopsis of the species of Cyathea (Cyatheaceae-Polypodiopsida) with pinnate to pinnate-pinnatifid frond
On the Geastrum species (Geastraceae, Basidiomycota) described by Rick
New combinations in the genus Vanda (Orchidaceae)
Modern sequels to the Kaiserin-Augusta-Fluss itinerary of Carl Ledermann: Rhysotoechia welzeniana sp. nov. (Sapindaceae), a remarkable species from the upper Sepik of Papua New Guinea