18. * Calomyxa metallica (Berk.) Nieuwl., Amer. Midl. Naturalist 4:335 (1916)

Specimens examined. PERU. Arequipa: Arequipa, Chiguata, route PE-34C, 31 km east of Chiguata, 4075 m, 16º23′18.1”S, 71º18′59.9”W, 10 Oct 2012, branch and leaves of Polylepis rugulosa, Lado 22323 (MA-Fungi 94853), Lado 22324 (MA-Fungi 94854), Lado 22326 (MA-Fungi 94856) . Ayacucho: Lucanas, Santiago de Vado, route PE-30A, km 105, 3850 m, 14º38′24.3”S, 74º17′28.2”W, 27 Sep 2012, branch and leaves of Polylepis rugulosa, Lado 21818 (MA-Fungi 94588) . Junin: Yauli, Morococha, Marmolejo lagoon, Ticlio mine, route PE-22, km 133, 4715 m, 11º35′51.5”S, 76º10′47.4”W, 23 Sep 2012, branch of Asteraceae, Lado 21765a (MA-Fungi 94528) .