Xanthoparmelia submougeotii, Hale (1989: 561)

Elvebakk, A., Bjerke, J. W. & Støvern, L. E., 2014, Parmelioid lichens (Parmeliaceae) in southernmost South America, Phytotaxa 173 (1), pp. 1-30 : 18

X. submougeotii Hale (1989: 561)

When X. submougeotii was described it was only reported from its type locality in the Juan Fernández Islands ( Chile), whereas Nash et al. (1995) later added one collection from Mendoza in Argentina and two from the Falkland Islands. However, Calvelo & Adler (2001) reported it from many localities in Argentinian Tierra del Fuego, Etayo & Sancho (2008) added it from Chilean Isla Navarino and we have studied another 25 collections, indicating that this species is very common. All samples show the same chemistry with usnic, norstictic, stictic and constictic acids, and most specimens have characteristic subterminal soralia (Fig. 9).

Specimens examined: CHILE. XII REGIÓN DE MAGALLANES: Parque Nacional Torres del Paine , 600–700 m W of S end of Lago Skottsberg, 51 ° 04’S, 73 ° 07’W, 150 m, on an erratic boulder of andesite, 11 Dec 1999, Elvebakk, A . 99:1250 A ( TROM); 99:1250 C ( TROM); 98:311 ( TROM); 1 km W of Guardería Lago Grey , 51 ° 07’30”S, 73 ° 10’30”W, 80 m, on open rocks near the river, 4 Dec 1999, Elvebakk, A . 99:1098 A ( TROM); NE-facing, protected cliff wall, Elvebakk, A . 99:1092 ( SGO); Lago Pehoe NW, 300–500 m SE of Refugio Pehoe , 51 ° 04’30”S, 73 ° 07’W, 70 m, on rocks on an exposed cliff, 11 Dec 1999, Elvebakk, A . 99:1238 B ( TROM); 99:1246 ( TROM); 99:1300 ( TROM); between Lago Pehoe and Río Paine , 2 km NE of Laguna Linda, 51 ° 08’30”S, 72 ° 59’W, 70 m, on a W-facing rock, overgrown by a Caloplaca sp. , 19 Dec 1997, Elvebakk, A . 97:469 ( TROM); Refugio Pudeto , 51 ° 04’S, 73 ° 01’W, 70 m, on a rock in a Pernettya shrubland on the E side of the northernmost bay, 11 Dec 1999, Elvebakk, A . 99:1273 ( TROM); Lagunas Mellizas W , 51 ° 04’S, 72 ° 59’W, 100 m, on S-facing rocks, Elvebakk, A . 00:893 ( TROM); 2 km NE of E end of Lago Sarmiento Chico, 51 ° 03’S, 72 ° 55’W, 200 m, on rocks, Nov 1995, Elvebakk, A . 95:470 ( TROM); Miradór Lago Nordenskjöld , 2–3 km N of Salto Grande, 51 ° 03’S, 73 ° 01’W, 300 m, on sandstones, 3 Dec 2000, Elvebakk, A . 00:917 ( TROM); Seno Otway , 2 km NE of Punta Espolón, 52 ° 47’S, 71 ° 12’W, 20 m, on granitic, erratic rock in Chiliotrichum shrubland, 30 Nov 1999, Elvebakk, A . 99:900 ( TROM); 99:917 ( TROM); 99:924 ( TROM); Seno Skyring, 3–4 km W of Estancia María Felicinda / Estancia Río Verde , 52 ° 26’S, 71 ° 22’W, 2 m, on seashore rocks, 30 Nov 1999, Elvebakk, A . 99:938 ( TROM); Tierra del Fuego , Porvenir , on a boulder in a Chiliotrichum heath, 2 Jan 1941, Santesson, R . 5473a ( S); 27 Dec 1940, Santesson, R . 5281 ( S); Canal Beagle, Yendegaia , near the saw-mill, 510 m, on rocks, 1 Mar 1940, Santesson, R . 1395 ( S) .

FIGURE. Xanthoparmelia submougeotii photographed near the Administration Centre of the National Park Torres del Paine.