Published in Journal of South African Botany, in 1973, in volume 39, issue 1, pages 1

Published in Journal of South African Botany, in 1973, in volume 39, issue 1, pages 3-22

Published in Journal of South African Botany, in 1973, in volume 39, issue 1, pages 23-33

Published in Journal of South African Botany, in 1973, in volume 39, issue 1, pages 35-39

Published in Journal of South African Botany, in 1973, in volume 39, issue 1, pages 41-43

Published in Journal of South African Botany, in 1973, in volume 39, issue 1, pages 45-48

Published in Journal of South African Botany, in 1973, in volume 39, issue 1, pages 49-84

Published in Journal of South African Botany, in 1973, in volume 39, issue 1, pages 85-90

Published in Journal of South African Botany, in 1973, in volume 39, issue 1, pages 91

Published in Journal of South African Botany, in 1973, in volume 39, issue 2, pages 95-109

Published in Journal of South African Botany, in 1973, in volume 39, issue 2, pages 111

Published in Journal of South African Botany, in 1973, in volume 39, issue 2, pages 113-121

Published in Journal of South African Botany, in 1973, in volume 39, issue 2, pages 123-129

Published in Journal of South African Botany, in 1973, in volume 39, issue 2, pages 131-132

Published in Journal of South African Botany, in 1973, in volume 39, issue 2, pages 133-140

Published in Journal of South African Botany, in 1973, in volume 39, issue 2, pages 141-178

Published in Journal of South African Botany, in 1973, in volume 39, issue 2, pages 179-183

Published in Journal of South African Botany, in 1973, in volume 39, issue 2, pages 185-195

Published in Journal of South African Botany, in 1973, in volume 39, issue 2, pages 197

Published in Journal of South African Botany, in 1973, in volume 39, issue 3, pages 201-203

Published in Journal of South African Botany, in 1973, in volume 39, issue 3, pages 205-211

Published in Journal of South African Botany, in 1973, in volume 39, issue 3, pages 213-227

Published in Journal of South African Botany, in 1973, in volume 39, issue 3, pages 229-232

Published in Journal of South African Botany, in 1973, in volume 39, issue 3, pages 233-234

Published in Journal of South African Botany, in 1973, in volume 39, issue 3, pages 235-243

Published in Journal of South African Botany, in 1973, in volume 39, issue 3, pages 245-247

Published in Journal of South African Botany, in 1973, in volume 39, issue 3, pages 249-254

Published in Journal of South African Botany, in 1973, in volume 39, issue 3, pages 255-260

Published in Journal of South African Botany, in 1973, in volume 39, issue 3, pages 261-267

Published in Journal of South African Botany, in 1973, in volume 39, issue 3, pages 269

Published in Journal of South African Botany, in 1973, in volume 39, issue 4, pages 273-276

Published in Journal of South African Botany, in 1973, in volume 39, issue 4, pages 277-374