Does anyone know the references (incl. publisher and place) for these books? Thanks! Endlicher, S. (1836) Genera Plantarum: 159. Reichenbach, H.T.L. (1828) Conspectus Regni Vegetabilis: 44. Kunth, C.S. (1850) Enumeratio Plantarum 5: 457-466. -- Peter Schols peter.schols at bio.kuleuven.ac.be http://www.kuleuven.ac.be/bio/sys