Fungi Europaei Exsiccati, G.L. Rabenhorst [1-2600]
Centuries I-XXVI; Stevenson (1971) notes, "A unique and very reprehensible feature of Rabenhorst' exsiccati operations, in his fungus series at least, was his deliberate practice of substituting collections, thus violating the most important feature of a fungus exsiccati, uniformity of material."