53. * Diderma stellulum M.L. Farr, Int. J. Mycol. Lichenol. 3(2-3): 208 (1988)
Specimen examined. PERU. Ancash: Recuay, Catac, Pachacoto, route AN- 1251, 4 km east of Pachacoto, 3859 m, 9º52′09”S, 77º22′25”W, 14 May 2018, leaves of Puya sp., Lado 26722 (MA-Fungi 97492) .
Notes. Previously known only from Rio Grande do Sul (Brazil) (Farr 1988). This species has a triple peridium and stalked sporocarps, similar to Diderma subasteroides, but differs by the shape of the columella, prominent and subglobose in this species, flattened in D. stellulum .