Nothofagus pumilio
(Poepp. & Endl.) Krasser
LPS 36895. Place of collection: Argentina; Tierra del Fuego; Río Grande; Lago Yehuín; Parum sawmill, 2 km from. Date of collection: 12 February 1972. Associated organism: Peziza pseudosylvestris. Collector: Malacalza, L..