Rondeletieae (Rubiaceae). Part I, Rustia, Tresanthera, Condaminea, Picardaea, Pogonopus, Chimarrhis, Dioicodendron, Molopanthera, Dolichodelphys, and Parachimarrhis - Delprete, Piero G. 1958- (Organization for Flora Neotropica by The New York Botanical Garden, 1999)
"Issued 25 June 1999"