Published in Journal of South African Botany, in 1938, in volume 4, pages 129-141
Published in Journal of South African Botany, in 1938, in volume 4, pages 143-156
Published in Journal of South African Botany, in 1938, in volume 4, pages 157-162
Published in Journal of South African Botany, in 1938, in volume 4, pages 55-59
Published in Journal of South African Botany, in 1938, in volume 4, pages 61-63
Published in Journal of South African Botany, in 1938, in volume 4, pages 65-71
Published in Journal of South African Botany, in 1938, in volume 4, pages 109-122
Published in Journal of South African Botany, in 1938, in volume 4, pages 125
Published in Journal of South African Botany, in 1938, in volume 4, pages 127-128
Published in Journal of South African Botany, in 1938, in volume 4, pages 101-103
Published in Journal of South African Botany, in 1938, in volume 4, pages 105-107
Published in Journal of South African Botany, in 1938, in volume 4, pages 73-99
Published in Journal of South African Botany, in 1938, in volume 4, pages 1-11
Published in Journal of South African Botany, in 1938, in volume 4, pages 13-20
Published in Journal of South African Botany, in 1938, in volume 4, pages 21-24
Published in Journal of South African Botany, in 1938, in volume 4, pages 25-30
Published in Journal of South African Botany, in 1938, in volume 4, pages 45-46
Published in Journal of South African Botany, in 1938, in volume 4, pages 47-51
Published in Journal of South African Botany, in 1938, in volume 4, pages 51
Published in Journal of South African Botany, in 1938, in volume 4, pages 31-33
Published in Journal of South African Botany, in 1938, in volume 4, pages 35-44