Xanthoparmelia wrightiana, Nash, Elix & Johnston (1987: 290)

Elvebakk, A., Bjerke, J. W. & Støvern, L. E., 2014, Parmelioid lichens (Parmeliaceae) in southernmost South America, Phytotaxa 173 (1), pp. 1-30 : 21-22

X. wrightiana Nash, Elix & Johnston (1987: 290)

Grows together with X. subplittii in central parts of Torres del Paine National Park in Magallanes. One of the examined specimens was identified by J. A. Elix (pers. comm., 2008). The species has previously been reported from Mendoza in central Argentina and northwards to Bolivia and Brazil ( Nash et al. 1995) and is here reported from southernmost South America for the first time. The samples contain stictic, norstictic, constictic and cryptostictic acids.

Specimens examined: CHILE. XII REGIÓN DE MAGALLANES: Parque Nacional Torres del Paine, 1.5 km N of E end of Lago Sarmiento Chico , 51 ° 03’S, 72 ° 56’W, 150−200 m, on eroded, exposed rocks, 2 Nov 1995, Elvebakk, A. 95:438 ( TROM) ; 1.5−2 km SE of Laguna de los Cisnes , 51 ° 03’S, 72 ° 51’W, 150 m, on an exposed rock slope weathered into small pieces, 3 Dec 1999, Elvebakk, A. 99:1049 ( TROM) ; 99:1050a ( TROM); 1.5 km SW of Guardería Laguna Amarga , 50 ° 59’30”S, 72 ° 48’W, 80 m, on an exposed gravelly ridge, associated with Xanthoparmelia imitatrix , 24 Jan 1996, Elvebakk, A. 96:111B ( TROM) ; Refugio Pehoe , 100−200 m E of the northernmost bay, 51 ° 04’S, 73 ° 00’W, 100 m, on a N-facing rock slope in a steppe area, 12 Dec 1999, Elvebakk, A. 99:1315 ( TROM) ; Lago Nordenskjöld S, 1 km W of Mirador Lago Nordenskjöld, 51 ° 03’S, 72 ° 56’W, 250 m, on rocks, 1 Dec 2000, Elvebakk, A. 00:854 ( SGO) ; 200 m S of Salto Grande , W of the Pudeto inlet, 51 ° 04’30”S, 73 ° 02’W, 70 m, on exposed rocks, 5 Dec 2000, Elvebakk, A. 00:923 ( CANB) ; Laguna Mellizas W, 51 ° 04’S, 72 ° 59’W, 100 m, on rock surfaces, partly over mosses in a S-facing steep slope, 3 Dec 2000, Elvebakk, A. 00:886 ( TROM) .