1
Published: 1986
Superior document: Plant systematics and evolution : Supplementum 3
2
Published: 1986
Superior document: Flora of Southern Africa which deals with the territories of the Republic of South Africa, Ciskei, Transkei, Lesotho, Swaziland, Bophuthatswana, South-West Africa/Namibia, Botswana and Venda Flowering plants volumes, Vol. 31, Pt. 1. Rubiaceae, Fasc. 2