Author: Nel, G.C.
Title: Species Novae el Minus Cognitae: Lithops et Caralluma.
Description: Cape Town, 1943. 16 pp. 1 col. plt & 16 figs. Soft cover. (Annals of the Univ. of Stellenbosch, XXI,1).

Keywords: Cactus Africa Cactussen Afrika