Monographia generum aloes et mesembryanthemi - Salm-Reifferscheidt, Joseph, Graf zu, (Maximilianvm Cohen, 1854)
There is no letterpress to vol. 7, which was pub. after the death of the author. --- Stafleu, F.A. Taxonomic literature (2nd ed.), | 10.129
Keywords: Aloe; Mesembryanthemum