Nothofagus pumilio
(Poepp. & Endl.) Krasser
BCRU 1858. Place of collection: Argentina; Río Negro; Bariloche; Cerro Challhuaco. Date of collection: 19 April 1998. Associated organism: Rutstroemia megalospora. Collector: Gamundí de Amos, I.J.; Horak, E..