Studies in the genus Hypericum L. (Hypericaceae) 9. Addenda, corrigenda, keys, lists and general discussion
New species of Dyckia (Bromeliaceae) from Brazil
On the Geastrum species (Geastraceae, Basidiomycota) described by Rick
Aulacoseira principissa sp. nov., a new ‘centric’ diatom species from the sub-Antarctic region
Penium amplificatum status nova (Desmidiales, Streptophyta)
Gaultheria stapfiana (Ericaceae), a species to be recognized: insights from morphology, leaf anatomy and pollen morphology