Published in Journal of South African botany, in 1948, in volume 14, pages 63-80

Published in Journal of South African botany, in 1948, in volume 14, pages 81-89

Published in Journal of South African botany, in 1948, in volume 14, pages 91-95

Published in Journal of South African botany, in 1948, in volume 14, pages 105

Published in Journal of South African botany, in 1948, in volume 14, pages 107-126

Published in Journal of South African botany, in 1948, in volume 14, pages 127-133

Published in Journal of South African botany, in 1948, in volume 14, pages 13-18

Published in Journal of South African botany, in 1948, in volume 14, pages 19-27

Published in Journal of South African botany, in 1948, in volume 14, pages 159-169

Published in Journal of South African botany, in 1948, in volume 14, pages 171-174

Published in Journal of South African botany, in 1948, in volume 14, pages 41-54

Published in Journal of South African botany, in 1948, in volume 14, pages 55-61

Published in Journal of South African botany, in 1948, in volume 14, pages 135-158

Published in Journal of South African botany, in 1948, in volume 14, pages 29-40

Published in Journal of South African botany, in 1948, in volume 14, pages 97-103

Published in Journal of South African botany, in 1948, in volume 14, pages 175-176

Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1948, in volume 14, pages 1-8

Published in Journal of South African botany, in 1948, in volume 14, pages 9-12