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