Published in Gardens’ Bulletin Singapore, in 2015, in volume 67, issue 1, pages 95-99
Created: 2017-04-12, modified: 2017-04-12![](https://www.biodiversitylibrary.org/pagethumb/53429638,60,60)
Published in Gardens' Bulletin, Singapore, in 2013, in volume 65, issue 2, pages 157-162
Created: 2017-05-21, modified: 2017-05-21![](https://www.biodiversitylibrary.org/pagethumb/54342682,60,60)
Published in Pacific Science, in 1965, in volume 19, issue 4, pages 498-501
Created: 2017-09-10, modified: 2017-09-10