Nothofagus betuloides
(Mirb.) Oerst
LPS 39527. Place of collection: Argentina; Tierra del Fuego; Ushuaia; Ensenada, viewpoint. Date of collection: 16 March 1975. Associated organism: Pseudomitrula horakii. Collector: Gamundí de Amos, I.J.; Giaiotti, A.L..