Reference:Toelken1977a
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Verbatim text: Toelken, H. R. 1977. A revision of the genus Crassula in southern Africa. Contr. Bolus Herb. 8. Van
Author: Toelken, H.R.
Year: 1977
Title: A revision of the genus Crassula in southern Africa
Journal: Contr. Bolus Herb
Volume: 8