A Thelidium declivum (holotype) B T. huuskonenii (holotype) C T. mendax (holotype) D T. pseudoauruntii (holotype) E T. sallaense (holotype) F T. toskalharjiense (holotype). Scale bars: 1 mm (A–C, E, F); 0.5 mm (D).

 
 
  Part of: Pykälä J, Kantelinen A, Myllys L (2023) Taxonomy of Thelidium auruntii and T. incavatum complexes (lichenized Ascomycota, Verrucariales) in Finland. MycoKeys 96: 1-23. https://doi.org/10.3897/mycokeys.96.98738