Published in Journal of South African botany, in 1970, in volume 36, issue 1

Published in Journal of South African botany, in 1970, in volume 36, issue 1, pages 1-8

Published in Journal of South African botany, in 1970, in volume 36, issue 1, pages 9-12

Published in Journal of South African Botany, in 1970, in volume 36, issue 1, pages 13-52

Published in Journal of South African botany, in 1970, in volume 36, issue 1, pages 53

Published in Journal of South African botany, in 1970, in volume 36, issue 2, pages 57-62

Published in Journal of South African botany, in 1970, in volume 36, issue 2, pages 63-68

Published in Journal of South African botany, in 1970, in volume 36, issue 2, pages 69-72

Published in Journal of South African botany, in 1970, in volume 36, issue 2, pages 73-138

Published in Journal of South African botany, in 1970, in volume 36, issue 2, pages 139-148

Published in Journal of South African botany, in 1970, in volume 36, issue 3, pages 151-156

Published in Journal of South African botany, in 1970, in volume 36, issue 3, pages 157-190

Published in Journal of South African botany, in 1970, in volume 36, issue 3, pages 191-198

Published in Journal of South African Botany, in 1970, in volume 36, issue 3, pages 199-206

Published in Journal of South African Botany, in 1970, in volume 36, issue 3, pages 207-214

Published in Journal of South African botany, in 1970, in volume 36, issue 3, pages 215-228

Published in Journal of South African botany, in 1970, in volume 36, issue 3, pages 229

Published in Journal of South African botany, in 1970, in volume 36, issue 4, pages 233-266

Published in Journal of South African botany, in 1970, in volume 36, issue 4, pages 267-270

Published in Journal of South African botany, in 1970, in volume 36, issue 4, pages 271-286

Published in Journal of South African botany, in 1970, in volume 36, issue 4, pages 287-290

Published in Journal of South African Botany, in 1970, in volume 36, issue 4, pages 291-318

Published in Journal of South African botany, in 1970, in volume 36, issue 4, pages 319-330

Published in Journal of South African botany, in 1970, in volume 36, issue 4, pages 331-332