Key to Danish species of Stemonitopsis (Nann.-Bremek.) Nann.-Bremek.
|1||Sporocarps mostly with silvery remnants of the peridium. Spores with fine warts and groups of more prominent warts.||S. typhina (F.H. Wigg.) Nann.-Bremek.|
|1'||Sporocarps without peridial remnants. Spores with a delicate, very delicate net-ornamentation (olie imm.).||2|
|2 (1)||Spores 3-4.5 µm in diam. Sporacarps broader at basis.||S. microspora (Lister) Nann.-Bremek.|
|2'||Spores 5-6 µm in diam. Sporocarps ± cylindrical.||S. hyperopta (Meyl.) Nann.-Bremek.|