Published in Journal of South African botany, in 1958, in volume 24, pages 1-9
Published in Journal of South African botany, in 1958, in volume 24, pages 11-65
Published in Journal of South African botany, in 1958, in volume 24, pages 67-69
Published in Journal of South African botany, in 1958, in volume 24, pages 71-74
Published in Journal of South African botany, in 1958, in volume 24, pages 75-79
Published in Journal of South African botany, in 1958, in volume 24, pages 81
Published in Journal of South African botany, in 1958, in volume 24, pages 83-87
Published in Journal of South African botany, in 1958, in volume 24, pages 89-102
Published in Journal of South African botany, in 1958, in volume 24, pages 103-105
Published in Journal of South African botany, in 1958, in volume 24, pages 107-118
Published in Journal of South African botany, in 1958, in volume 24, pages 119-121
Published in Journal of South African botany, in 1958, in volume 24, pages 123-158
Published in Journal of South African botany, in 1958, in volume 24, pages 159-161
Published in Journal of South African botany, in 1958, in volume 24, pages 163-168
Published in Journal of South African botany, in 1958, in volume 24, pages 169-190
Published in Journal of South African botany, in 1958, in volume 24, pages 191-200
Published in Journal of South African botany, in 1958, in volume 24, pages 201-202
Published in Journal of South African botany, in 1958, in volume 24, pages 203-218