Key to Danish species of Amaurochaete Rostaf.

1 Psudocapillitium of branched, flattened threads arising from the base. Sparsely anastomozing in basal parts. Aethalial surface of young fruitbodies irregularly divided by white veins. A. atra (Alb. & Schwein.) Rostaf.
1' Pseudocapillitium a rigid, wide-meshed net fastened to the columella. Aethalial surface with rough warts, implicating individiual sporocarps. A. tubulina (Alb. & Schwein.) T. Macbr.