Pirottaea senecionis
(Cooke & W. Phillips) Nannf.
LPS 39544. Place of collection: Argentina; Tierra del Fuego; Ushuaia; Martial glacier valley. Date of collection: 27 March 1975. Associated organism: Nassauvia magellanica (stem). Collector: Horak, E.. Identifier: Gamundí de Amos, I.J..