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C.G. Ehrenberg, F.W. Hemprich, C.M. Schumann, Symb. Phys., Bot.: t. 23, fig. II (1900) [C.G. Ehrenberg] [39]
drawing: C.G. Ehrenberg [29]
Illustration contributed by:


C.G. Ehrenberg, F.W. Hemprich, C.M. Schumann, Symb. Phys., Bot.: t. 23, fig. II (1900) [C.G. Ehrenberg]