51. Diderma sauteri (Rostaf.) E. Sheld., Minnesota Bot. Stud. 1: 478 (1895)

Specimens examined. PERU. Ancash: Bolognesi, Huasta, Chiquian, route AN-1263 towards Huallanca, km 39, 4002 m, 10º10′41”S, 76º55′52”W, 15 May 2018, leaves and woody debris of Polylepis sp., Lado 26790 (MAFungi 97559). Huaraz, Independencia, Huaraz, Cojup ravine, route AN-139, km 17, 3825 m, 9º28′51”S, 77º26′59”W, 9 May 2018, leaves and bryophytes, Lado 26166 (MA-Fungi 96973). Huari, near to Cahuish tunnel, route AN- 110, 28 km southeast of Chavín, 4326 m, 9º41′24”S, 77º14′41”W, 22 May 2014, bryophytes, Lado 23755 (MA-Fungi 95409). Recuay, Catac, route AN-110, km 18, Querococha lagoon, 4040 m, 9º43′27”S, 77º20′02”W, 24 May 2014, bark of Polylepis sp., Lado 23882 (MA-Fungi 95532) . Ayacucho: Huamanga, Acocro, route PE-3S, km 452, towards Sachamamba Km 204, 4062 m, 13º25′25”S, 74º02′27”W, 21 Apr 2017, leaves of Festuca orthophylla, puna vegetation, Lado 24942b (MA-Fungi 96139) . Pasco: Pasco, Yanacancha, Pariamarca, route PE-3N, km 141, 3701 m, 10º38′46”S, 76º10′06”W, 18 May 2018, bryophytes, Lado 27013 (MA-Fungi 97765), bark of Polylepis sp., Lado 27015 (MAFungi 97766) .