Morphological features of P. umbrina, mounted in KOH and macroscopically. A (O F110268) B (epitype) C (epitype) basidiospores in frontal face D, E in lateral face (epitype) F subicular hyphae (epitype) G (epitype) H (SS174) mature basidiomata.

  Part of: Svantesson S, Larsson K-H, Kõljalg U, May TW, Cangren P, Nilsson RH, Larsson E (2019) Solving the taxonomic identity of Pseudotomentella tristis s.l. (Thelephorales, Basidiomycota) – a multi-gene phylogeny and taxonomic review, integrating ecological and geographical data. MycoKeys 50: 1-77.