Published in Journal of South African botany, in 1954, in volume 20, pages 1-22

Published in Journal of South African botany, in 1954, in volume 20, pages 23-24

Published in Journal of South African botany, in 1954, in volume 20, pages 25-30

Published in Journal of South African botany, in 1954, in volume 20, pages 31-38

Published in Journal of South African botany, in 1954, in volume 20, pages 39-41

Published in Journal of South African botany, in 1954, in volume 20, pages 43-45

Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1954, in volume 20, pages 47-90

Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1954, in volume 20, pages 91-115

Published in Journal of South African botany, in 1954, in volume 20, pages 117-124

Published in Journal of South African botany, in 1954, in volume 20, pages 125-126

Published in Journal of South African botany, in 1954, in volume 20, pages 127-136

Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1954, in volume 20, pages 137-154

Published in Journal of South African botany, in 1954, in volume 20, pages 155-156

Published in Journal of South African botany, in 1954, in volume 20, pages 157-163

Published in Journal of South African botany, in 1954, in volume 20, pages 165-168

Published in Journal of South African botany, in 1954, in volume 20, pages 169-171

Published in Journal of South African botany, in 1954, in volume 20, pages 173-177

Published in Journal of South African botany, in 1954, in volume 20, pages 179-183

Published in Journal of South African botany, in 1954, in volume 20, pages 185-187