Published in Gardens' Bulletin Singapore, in 1968, in volume 22, issue 3, pages 355-427

Created: 2018-12-17, modified: 2018-12-17

Published in Gardens' Bulletin, Singapore, in 1977, in volume 29, pages 25-33

Created: 2014-06-19, modified: 2014-06-19

Published in Gardens' bulletin, Singapore, in 1977, in volume 30, pages 85-95

Created: 2015-12-03, modified: 2015-12-03

Published in Gardens' Bulletin, Singapore, in 2011, in volume 63, issue 1, pages 137-144

Created: 2014-06-21, modified: 2014-06-21

Published in Gardens' Bulletin Singapore, in 1966, in volume 21, issue 3, pages 379-392

Created: 2018-12-17, modified: 2018-12-17

Published in Gardens' Bulletin, Singapore, in 2011, in volume 63, issue 1, pages 125-135

Created: 2014-06-21, modified: 2014-06-21

Published in Gardens' Bulletin, Singapore, in 1998, in volume 50, issue 1, pages 125-150

Created: 2014-06-20, modified: 2014-06-20

Published in Gardens' Bulletin, Singapore, in 1997, in volume 49, issue 1, pages 143-145

Created: 2014-06-20, modified: 2014-06-20

Published in Gardens' Bulletin Singapore, in 2012, in volume 64, issue 1, pages 277-278

Created: 2018-12-17, modified: 2018-12-17

Published in Gardens' Bulletin Singapore, in 2010, in volume 62, issue 1, pages 211-212

Created: 2018-12-17, modified: 2018-12-17

Published in Gardens' Bulletin, Singapore, in 2003, in volume 55, issue 1, pages 239-256

Created: 2015-07-29, modified: 2015-07-29

Published in Gardens' Bulletin, Singapore, in 2014, in volume 66, issue 2, pages 241-242

Created: 2017-04-12, modified: 2017-04-12