Journal of South African botany - National Botanic Gardens of South Africa. (National Botanic Gardens of South Africa, 1959)

Journal of South African botany - National Botanic Gardens of South Africa. (National Botanic Gardens of South Africa, 1960)

Journal of South African botany - National Botanic Gardens of South Africa. (National Botanic Gardens of South Africa, 1961)

Journal of South African botany - National Botanic Gardens of South Africa. (National Botanic Gardens of South Africa, 1962)

Journal of South African botany - National Botanic Gardens of South Africa. (National Botanic Gardens of South Africa, 1963)

Journal of South African botany - National Botanic Gardens of South Africa. (National Botanic Gardens of South Africa, 1967)

Journal of South African botany - National Botanic Gardens of South Africa. (National Botanic Gardens of South Africa, 1968)

Journal of South African botany - National Botanic Gardens of South Africa. (National Botanic Gardens of South Africa, 1969)

Journal of South African botany - National Botanic Gardens of South Africa. (National Botanic Gardens of South Africa, 1970)

Journal of South African botany - National Botanic Gardens of South Africa. (National Botanic Gardens of South Africa, 1971)