Spiradiclis danxiashanensis (Rubiaceae), a new species from South China
Hedyotis nanlingensis (Rubiaceae), a new species from South China
A new species of Discospermum (Coffeeae, Rubiaceae) from Luzon, Philippines including its conservation status
Notes on Hedyotis L. (Rubiaceae) from Thailand
Intraspecific variation of insertion/length of stamens in homostylous flowers of a new species and three other species of Borreria: an unusual case in Rubiaceae
A new species of Standleya (Rubiaceae, Coussareeae) with a new record for Bahia, Brazil
Three new species of Craterispermum (Rubiaceae) from Madagascar
Phylogeny of the Henriquezieae-Posoquerieae-Sipaneeae, a Guayanan-centered clade of Rubiaceae: implications for morphological evolution
Revision of Neobertiera (Rubiaceae, Sipaneeae) with observations on distyly, and three new species from the Guianas