Published in Gardens' Bulletin Singapore, in 1968, in volume 22, issue 3, pages 355-427
Published in Gardens' Bulletin Singapore, in 1968, in volume 22, issue 3, pages 429-442
Published in Gardens' Bulletin Singapore, in 1968, in volume 22, issue 3, pages 443-446
Published in Gardens' Bulletin Singapore, in 1968, in volume 22, issue 3, pages 447-450
On a new species of the genus Collodictyon Carter, a colourless flagellata new to the Hongkong flora
Published in Gardens' Bulletin Singapore, in 1968, in volume 22, issue 3, pages 451-454
Published in Gardens' Bulletin Singapore, in 1968, in volume 22, issue 3, pages 455-459
Published in Gardens' Bulletin Singapore, in 1968, in volume 22, issue 3, pages 461-467
Published in Gardens' Bulletin Singapore, in 1968, in volume 22, issue 3, pages 469
Published in Gardens' Bulletin Singapore, in 1968, in volume 23, pages 1-536