Published in Gardens' bulletin, Singapore, in 2007, in volume 58, issue 2, pages 141-154

Published in Gardens' Bulletin Singapore, in 2007, in volume 58, issue 2, pages 155-177

Published in Gardens' Bulletin, Singapore, in 2007, in volume 58, issue 2, pages 179-198

Published in Gardens' Bulletin, Singapore, in 2007, in volume 58, issue 2, pages 199-231

Published in Gardens' Bulletin, Singapore, in 2007, in volume 58, issue 2, pages 233-274

Published in Gardens’ Bulletin, Singapore, in 2007, in volume 58, issue 2, pages 275-278

Published in Gardens' Bulletin, Singapore, in 2007, in volume 58, issue 2, pages 279-286

Published in Gardens' Bulletin Singapore, in 2007, in volume 58, issue 2, pages 287-289

Published in Gardens' Bulletin Singapore, in 2007, in volume 58, issue 2, pages 290-291

Published in Gardens' Bulletin, Singapore, in 2007, in volume 59, issue 1, pages 1-11

Published in Gardens' Bulletin, Singapore, in 2007, in volume 59, issue 1, pages 13-21

Published in Gardens' Bulletin, Singapore, in 2007, in volume 59, issue 1, pages 23-33

Published in Gardens' Bulletin, Singapore, in 2007, in volume 59, issue 1, pages 35-40

Published in Gardens' Bulletin, Singapore, in 2007, in volume 59, issue 1, pages 41-46

Published in Gardens' Bulletin, Singapore, in 2007, in volume 59, issue 1, pages 47-56

Published in Gardens' Bulletin, Singapore, in 2007, in volume 59, issue 1, pages 57-64

Published in Gardens' Bulletin, Singapore, in 2007, in volume 59, issue 1, pages 65-70

Published in Gardens' Bulletin, Singapore, in 2007, in volume 59, issue 1, pages 71-88

Published in Gardens' Bulletin, Singapore, in 2007, in volume 59, issue 1, pages 89-104

Published in Gardens' Bulletin Singapore, in 2007, in volume 59, issue 1, pages 105-112

Published in Gardens' Bulletin, Singapore, in 2007, in volume 59, issue 1, pages 113-127

Published in Gardens' Bulletin, Singapore, in 2007, in volume 59, issue 1, pages 129-138

Published in Gardens' Bulletin Singapore, in 2007, in volume 59, issue 1, pages 139-143

Published in Gardens' Bulletin, Singapore, in 2007, in volume 59, issue 1, pages 145-172

Published in Gardens' Bulletin, Singapore, in 2007, in volume 59, issue 1, pages 173-182

Published in Gardens' Bulletin Singapore, in 2007, in volume 59, issue 1, pages 183-188

Published in Gardens' Bulletin Singapore, in 2007, in volume 59, issue 1, pages 189-201

Published in Gardens' Bulletin Singapore, in 2007, in volume 59, issue 1, pages 203-219

Published in Gardens' Bulletin Singapore, in 2007, in volume 59, issue 1, pages 221-229