William S. Alverson: Matisia and Quararibea (Bombacaceae) Should be Retained as Separate Genera. In: Taxon. Vol. 38, No. 3, 1989, S. 377–388, doi:10.2307/1222268, online bei VDocuments.
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William S. Alverson: Matisia and Quararibea (Bombacaceae) Should be Retained as Separate Genera. In: Taxon. Vol. 38, No. 3, 1989, S. 377–388, doi:10.2307/1222268, online bei VDocuments.