Published in Kirtlandia, in 2007, in volume 56, pages 92-105

Created: 2016-11-04, modified: 2016-11-04

Published in Journal of South African Botany, in 1972, in volume 38, issue 1, pages 33-42

Created: 2024-07-19, modified: 2024-07-19

Published in Journal of South African botany, in 1969, in volume 35, issue 2, pages 253-264

Created: 2024-09-16, modified: 2024-09-16

Published in Journal of South African Botany, in 1973, in volume 39, issue 3, pages 213-227

Created: 2024-07-18, modified: 2024-07-18

Published in Bulletin, Southern California Academy of Sciences, in 2014, in volume 113, issue 2, pages 58-80

Created: 2020-03-04, modified: 2020-03-04