Petalidium kaokoense (Acanthaceae), a new species from Namibia
On the placement of Coleanthus subtilis and the subtribe Coleanthinae within Poaceae by new molecular phylogenetic data
Nomenclatural notes in Physostemon (Cleomaceae)
Deflating Miconia (Melastomataceae) from Eastern Brazil, with 31 new synonyms and other nomenclatural issues
Philodendron guadarramanum (Araceae), a new species from Tabasco, Mexico
