Hymenoscyphus titubans
(Mont.) Dennis
BAFC 20853. Place of collection: Argentina; Tierra del Fuego; Ushuaia; Lapataia. Date of collection: 22 February 1961. Associated organism: Nothofagus betuloides (leaf). Collector: Gamundí de Amos, I.J.; Schuster, R.. Identifier: Gamundí de Amos, I.J..