20. Comatricha cf. alta Preuss, Linnaea 24: 141 (1851)

Specimens examined. PERU. Apurimac: Abancay, Tamburco, Abancay, Ampay National Sanctuary, canal dam, 3124 m, 13º35′56”S, 72º52′44”W, 20 Apr 2016, twigs, Lado 24558 (MA-Fungi 95836) . Junin: Yauli, Paccha, La Oroya, route PE-3N, km 6, 6 km north of La Oroya, 3706 m, 11º29′29”S, 75º56′36”W, 1 May 2017, leaves of Cortaderia jubata, Lado 25691 (MA-Fungi 96849), Lado 25710 (MA-Fungi 96864) .

Notes. The Peruvian specimens differ from the typical form of the species by the partial detachment of the capillitium, which remains attached to the middle part of the columella while it falls away.