Each volume of this series comes in two parts, the text and plates being bound in separate books, which can be purchased separately or as a set.
The text of volume 1 is in German with English summaries. It describes 89 genera (648 species) of gilled fungi, macromycetes with lamellar hymenophores in the orders Agaricales, Boletales and Polyporales . It includes 20 new taxa as well as 13 new taxonomic combinations. Each entry describes macro- and microscopic characters,
similar species, literature references, and details of the collections pictured. Microscopic details are illustrated with line drawings. An abbreviated key is provided for each genus
There are 188 plates with watercolour-paintings.