[1] CHIANG MAI UNIV,FAC PHARM,CHIANG MAI,THAILAND
[2] UNIV BRITISH COLUMBIA,DEPT BOT,VANCOUVER V6T 1W5,BC,CANADA
[3] PRINCE SONGKLA UNIV,FAC NAT RESOURCES,DEPT AQUAT SCI,HAT YAI 90110,THAILAND
[4] PRINCE SONGKLA UNIV,FAC SCI,DEPT CHEM,HAT YAI,THAILAND
[5] PRINCE SONGKLA UNIV,DEPT BIOL,HERBARIUM,HAT YAI,THAILAND