Published in Gardens' Bulletin, Singapore, in 2008, in volume 60, issue 1, pages 1-29

Published in Gardens' Bulletin Singapore, in 2008, in volume 60, issue 1, pages 31-36

Published in Gardens' Bulletin, Singapore, in 2008, in volume 60, issue 1, pages 37-43

Published in Gardens' Bulletin, Singapore, in 2008, in volume 60, issue 1, pages 45-54

Published in Gardens' Bulletin Singapore, in 2008, in volume 60, issue 1, pages 55-61

Published in Gardens' Bulletin, Singapore, in 2008, in volume 60, issue 1, pages 63-67

Published in Gardens' Bulletin, Singapore, in 2008, in volume 60, issue 1, pages 69-71

Published in Gardens' Bulletin, Singapore, in 2008, in volume 60, issue 1, pages 73-153

Published in Gardens' Bulletin, Singapore, in 2008, in volume 60, issue 1, pages 155-163

Published in Gardens' Bulletin, Singapore, in 2008, in volume 60, issue 1, pages 165-172

Published in Gardens' Bulletin, Singapore, in 2008, in volume 60, issue 1, pages 173-174