Zietsman, P.C.; Smith, G.F. (Gideon Francois), 1959-
(National Botanical Institute, 2010)
The genus Haworthia Duval, which consists of ±
85 species and 200 taxa, is endemic to southern Africa (Bayer et al. 1999). It occurs predominantly in the Western and Eastern Cape Provinces, with outliers extending into ...