Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1959, in volume 25, pages 1-22
Published in Journal of South African botany, in 1959, in volume 25, pages 23-28
Published in Journal of South African botany, in 1959, in volume 25, pages 29-50
Published in Journal of South African botany, in 1959, in volume 25, pages 69-82
Published in Journal of South African botany, in 1959, in volume 25, pages 93-99
Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1959, in volume 25, pages 103-166
Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1959, in volume 25, pages 167-188
Published in Journal of South African botany, in 1959, in volume 25, pages 189-205
Published in Journal of South African botany, in 1959, in volume 25, pages 207-209
Published in Journal of South African botany, in 1959, in volume 25, pages 211-213
Published in Journal of South African botany, in 1959, in volume 25, pages 215-230
Published in Journal of South African botany, in 1959, in volume 25, pages 231-235
Published in Journal of South African botany, in 1959, in volume 25, pages 237-246
Published in Journal of South African botany, in 1959, in volume 25, pages 247-249
Published in Journal of South African botany, in 1959, in volume 25, pages 251-262
Published in Journal of South African botany, in 1959, in volume 25, pages 263
Published in Journal of South African botany, in 1959, in volume 25, pages 265-278
Published in Journal of South African botany, in 1959, in volume 25, pages 279-281
Published in Journal of South African botany, in 1959, in volume 25, pages 283-310
Published in Journal of South African botany, in 1959, in volume 25, pages 311-313
Published in Journal of South African botany, in 1959, in volume 25, pages 315-317
Published in Journal of South African botany, in 1959, in volume 25, pages 357-370
Published in Journal of South African botany, in 1959, in volume 25, pages 371-374
Published in Journal of South African botany, in 1959, in volume 25, pages 375-376
Published in Journal of South African botany, in 1959, in volume 25, pages 377-380
Published in Journal of South African botany, in 1959, in volume 26, pages 81-92