Taxonomic studies in Asclepias (Asclepiadaceae) with particular reference to the narrow-leaved species in Southern Africa, submitted ... degree of master of science in the Department of Botany, University of Natal ...
By: by Ashley Nicholas
Contributors: University of Natal
Published: 1982
Place of publication: Pietermaritzburg
Language: eng
Number of pages: 551
Notes: Thesis (doctoral)--University of Natal, 1982.