Books · Search
News of herbaria
1976
Gladiolus · Monocotyledons
Gladiolus in tropical Africa
1996
Botany · Identification
Cape plants
2000
Chromosome numbers in legumes
1977
Iridaceae · Classification
The genus Watsonia
1989
Botanical illustration · Botany
The Moraeas of Southern Africa
1986
Geographical distribution · Gladiolus
Gladiolus in Southern Africa
1998
Index to Plant Chromosome Numbers 1979-81
1984
Classification · Iridaceae
The Iris family
2008
Anomatheca · Botany
A revision of the genera Lapeirousia Pourret and Anomatheca Ker in the winter rainfall region of South Africa
1972
Babiana · Classification
A revision of the southern African genus Babiana, Iridaceae: Crocoideae
2007
Identification · Pictorial works
Wildflowers of the fairest Cape
Plant chromosome numbers · Indexes
Index to plant chromosome numbers, 1992-1993
Criminal psychology · Criminal behavior
Reducing offending
Crocosmia · Chasmanthe
Crocosmia and Chasmanthe
2004
Index to plant chromosome numbers, 1990-1991
1994
Botany
Woody Iridaceae : Nivenia, Klattia, and Witsenia
1993
Monocotyledons · Botany, africa
Gladiolus in Tropical Africa
Temperate Garden Plant Families
2019
Plants, identification · Plants, classification
Identification and Classification of Temperate Garden Plant Families
New species of Cape Iridaceae
1979
New or noteworthy chromosome records in the angiosperms
The genus Moraea in the winter rainfall region of Southern Africa
Amaryllidaceae · Cytology
Chromosome cytology of Hessea, Strumaria, and Carpolyza (Amaryllidaceae)
