Nothofagus pumilio
(Poepp. & Endl.) Krasser
BCRU 310. Place of collection: Argentina; Tierra del Fuego; Río Grande; Lago Fagnano; Tolhuin. Date of collection: 5 March 1983. Associated organism: Chlorociboria argentinensis. Collector: Gamundí de Amos, I.J.; Spinedi, H..