Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1953, in volume 19, pages 1-11

Published in Journal of South African botany, in 1953, in volume 19, pages 31-58

Published in Journal of South African botany, in 1953, in volume 19, pages 59-71

Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1953, in volume 19, pages 73-84

Published in Journal of South African botany, in 1953, in volume 19, pages 13-16

Published in Journal of South African botany, in 1953, in volume 19, pages 17-20

Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1953, in volume 19, pages 21-23

Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1953, in volume 19, pages 85-92

Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1953, in volume 19, pages 93-104

Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1953, in volume 19, pages 25-27

Published in Journal of South African botany, in 1953, in volume 19, pages 29-30

Published in Journal of South African botany, in 1953, in volume 19, pages 105-107

Published in JOURNAL OF SOUTH AFRICAN BOTANY, in 1953, in volume 19, pages 109-134

Published in Journal of South African botany, in 1953, in volume 19, pages 147-155

Published in Journal of South African botany, in 1953, in volume 19, pages 157-159

Published in Journal of South African botany, in 1953, in volume 19, pages 161-176

Published in Journal of South African botany, in 1953, in volume 19, pages 135-136

Published in Journal of South African botany, in 1953, in volume 19, pages 137-143

Published in Journal of South African botany, in 1953, in volume 19, pages 177-182

Published in Journal of South African botany, in 1953, in volume 19, pages 183-187

Published in Journal of South African botany, in 1953, in volume 19, pages 145-146