Lichens of Gomera I-L (Flechten Gomeras)

	Ikaeria aurantiellina * (Harm.) Kondr., Upreti & Hur (358) (syn. Caloplaca aegatica). On Ilex canariensis. Thallus grey, inconspicuous or endosubstratic; apothecia zeorine (margin lecanorine and biatorine) up to 1 mm diam.; proper margin +- paler than disc; thalline margin orange; epithecium orange-brown, granular, hymenium colourless (88 µm); hypothecium colourless; asci 8- spored; ascospores polarilocular (14.7 - 16.5 x 7.7 - 10.5 µm); septum broad (7.0-9.8 µm). Thallus K-; apothecia K+ red. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero.
	Ikaeria aurantiellina (Harm.) Kondr., Upreti & Hur (358) (syn. Caloplaca aegatica). On Ilex canariensis. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero.
	Ikaeria aurantiellina (Harm.) Kondr., Upreti & Hur (358) (syn. Caloplaca aegatica). On Ilex canariensis. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero.
	Ikaeria aurantiellina (Harm.) Kondr., Upreti & Hur (358) (syn. Caloplaca aegatica). On Ilex canariensis. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero.
	Ikaeria aurantiellina (Harm.) Kondr., Upreti & Hur (358) (syn. Caloplaca aegatica). On Ilex canariensis. Microscopic details. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero.

Flechtenbilder (L)

	Lecanora spec. (309) On volcanic rocks. Thallus consisting of epruinose fertile warts; warts crowded, irregularly semiglobose (up to 1 mm); apothecial disc black, epruinose, rim lecanorine; epithecium olive (not becoming violet after K); hymenium colourless (40 µm); hypothecium colourless; paraphyses parallel; asci 4-8-spored; ascospores colourless, simple (10.5-12.3 x 5.3-5.6 µm). Thallus K-, C-, KC-, Pd-. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera.
	Lecanora spec. (309) On volcanic rocks. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera.
	Lecanora spec. (309) On volcanic rocks. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera.
	Lecanora spec. (309) On volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera.
	Lecanora spec. (309) On volcanic rocks. Microscopic details (after application with K). E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera.
	Lecanora spec. (311) On volcanic rocks. Thallus consisting of warted areoles; photobiont green; apothecia up to 1.8 mm diam.; disc brown, flat to convex; proper margin persistent; thalline marin disappearing when older; epithecium olive-brown, with granules; hymenium colourless (-55 µm); hypothecium colourless; asci 8-spored; paraphyses parallel; ascospores colourless, simple (10.5-13.3 x 5.3-7.4 µm); medulla POL+ (big crystals). Thallus K+ yellow, C-, Pd-. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera.
	Lecanora spec. (311) On volcanic rocks. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera.
	Lecanora spec. (311) On volcanic rocks. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera.
	Lecanora spec. (311) On volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera.
	Lecanora albescens (Hoffm.) Brant & Rostr. (333) On volcanic rocks. Thallus inconspicuous, consisting of small pruinose patches; apothecia crowded, up to 0.6 mm diam; disc plane, grey, slightly pruinose; thallin margin persistent, wavy, strongly pruinose; epithecium grey-brown, covered with small granules (POL+); hymenium colourless (- 55 µm); hypothecium colourless; asci 8-spored; ascospores simple, ellipsoidal, colourless, 9.1-14.7 x 4.9-7.7 µm; apothecial margin and medulla with massive crystals (POL+); all crystals not dissolving in K; photobiont trebouxioid. Spot tests negative. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion.
	Lecanora albescens (Hoffm.) Brant & Rostr. (333) On volcanic rocks. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion.
	Lecanora albescens (Hoffm.) Brant & Rostr. (333) On volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion.
	Lecanora campestris (Schaer.) Hue (423) Saxicolous; on volcanic rocks. Thallus verrucose, areolate; apothecia sessile, 0.5-1.5 mm diam., disc flat to slightly convex, smooth, dark brown to blackish; margin prominent, flexuose, crenulate; ascii 8-spored; ascospores colourless, simple, 12.3-14.7 x 6.3-7.0 µm; photobiont green. C-, K+ yellow, C-, KC-, Pd- ; POL-. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos.
	Lecanora campestris (Schaer.) Hue (423) Saxicolous; on volcanic rocks. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos.
	Lecanora campestris (Schaer.) Hue (423) Saxicolous; on volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos.
	Lecanora campestris (Schaer.) Hue (563) Saxicolous; on volcanic rocks. Thallus whitish, areolate; areoles separated, convex; apothecia 1-2 mm diam.; disc brown; margin lecanorine; epithecium brown; hymeniumcolourless (45 µm); hypothecium colourless; ascospores coourless, simple (10.2-11.2x4.2-4.9 µm); photobiont chlorococcoid. Thallus K+ yellow. E; Canary Islands; La Gomera-NNW; se Vallehrmoso; nw El Tion; near Garabato.
	Lecanora campestris (Schaer.) Hue (563) Saxicolous; on volcanic rocks. E; Canary Islands; La Gomera-NNW; se Vallehrmoso; nw El Tion; near Garabato.
	Lecanora campestris (Schaer.) Hue (563) Saxicolous; on volcanic rocks. E; Canary Islands; La Gomera-NNW; se Vallehrmoso; nw El Tion; near Garabato.
	Lecanora campestris (Schaer.) Hue (563) Saxicolous; on volcanic rocks. E; Canary Islands; La Gomera-NNW; se Vallehrmoso; nw El Tion; near Garabato.
	Lecanora campestris (Schaer.) Hue (563) Saxicolous; on volcanic rocks. Application with K. E; Canary Islands; La Gomera-NNW; se Vallehrmoso; nw El Tion; near Garabato.
	Lecanora campestris (Schaer.) Hue (563) Saxicolous; on volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-NNW; se Vallehrmoso; nw El Tion; near Garabato.

	Lecanora cenisia Ach. (310) On volcanic rocks. Thallus consisting of warted areoles; photobiont green; apothecia up to 1 mm diam.; disc black, flat to convex; margin lecanorine; epithecium olive, with granules; hymenium colourless (-55 µm); hypothecium colourless; asci 8-spored; paraphyses parallel; ascospores colourless, simple (10.5-12.6 x 5.3-7.7 µm); margin and medulla POL+. Thallus K+ yellow --> red (with crystals), C-, Pd+ yellow --> orange. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera.
	Lecanora cenisia Ach. (310) On volcanic rocks. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera.
	Lecanora cenisia Ach. (310) On volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera.
	Lecanora gangaleoides Nyl. (438) On volcanic rocks. Thallus whitish-grey, +- areolate; apothecia lecanorine, up to 1,3 mm diam.; dusc plane, black; margin entire to flexuose, persistent; epithecium blue-green; hymenium colourless (70 µm); hypothecium colourless; ascospores colourless, ovoid (9.1-14.0 x 5.3-10.5 µm); photobiont chlorococcoid. Thallus K+ yellow, Pd+ pale yellow. E; Canary Islands; La Gomera-NW; nnw of Vallehermoso.
	Lecanora gangaleoides Nyl. (438) On volcanic rocks. E; Canary Islands; La Gomera-NW; nnw of Vallehermoso.
	Lecanora gangaleoides Nyl. (438) On volcanic rocks. Microscopic details E; Canary Islands; La Gomera-NW; nnw of Vallehermoso.
	Lecanora gangaleoides Nyl. (492) On volcanic rocks. E; Canary Islands; La Gomera-NnW; se of Vallehermoso, nw. El Tion; near Garabato.
	Lecanora gangaleoides Nyl. (438) On volcanic rocks. Apothecium. E; Canary Islands; La Gomera-NnW; se of Vallehermoso, nw. El Tion; near Garabato.
	Lecanora muralis * (Schreb.) Rabenh. (25) On volcanic rocks. Thallus placodioid, pruinose; maginal lobes +- appressed; center sometimes areolate; apothecia up to 1.5 mm diam.; disc yellowish brown, without pruina; margin lecanorine, pruinose; ascospores colourless, simple, ellipsoid (10.5-14.0x6.7-7.4 µm). E; Canary Islands; La Gomera-MS; e of Imada: El Azadoe.
	Lecanora muralis * (Schreb.) Rabenh. (25) On volcanic rocks. E; Canary Islands; La Gomera-MS; e of Imada: El Azadoe.
	Lecanora muralis (Schreb.) Rabenh. (25) On volcanic rocks. E; Canary Islands; La Gomera-MS; e of Imada: El Azadoe.
	Lecanora muralis (Schreb.) Rabenh. (25) On volcanic rocks. E; Canary Islands; La Gomera-MS; e of Imada: El Azadoe.
	Lecanora muralis (Schreb.) Rabenh. (25) On volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-MS; e of Imada: El Azadoe.
	Lecanora praepostera Nyl. (307) On volcanic rocks. Thallus not pruinose; areolate; areoles uneven; apothecia up to 1.3 mm diam., constricted at base with age; thalline exciple persistent; true exiple black, often inconspicuous; disk black; +- flat; epithecium olivaceous, granular (POL+, but disappearing after application with K); margin and medulla with massive crystals (POL+, also after K); hymenium colourless (-55 µm); hypothecium colourless; asci 8-spored; ascospores colourless, simple (10.5-14.4 x 5.3-7.7 µm); photobiont trebouxioid. Thallus K+ red (formation of crystal needles); C-, Pd+ orange. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera.
	Lecanora praepostera Nyl. (307) On volcanic rocks. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera.
	Lecanora praepostera Nyl. (307) On volcanic rocks. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera.
	Lecanora praepostera Nyl. (307) On volcanic rocks. Application with K and Pd. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera.
	Lecanora praepostera Nyl. (307) On volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera.
	Lecanora praepostera Nyl. (538) Saxicolous, on volcanic rocks. Thallus whitish, areolate; apothecia lecanorine; disc black: epitheciumbrown (olive); Hymenium colourless (70 µm); hypothecium colourless; asci 8-spored; ascospores colourless, simple (10.9-15.8x 7.0-8.8 µm). Th. K+ orange-red, Pd+ yellow-orange. E; Canary Islands; La Gomera-MW; sw of Arure: hiking path to Taguluche.
	Lecanora praepostera Nyl. (538) Saxicolous, on volcanic rocks. E; Canary Islands; La Gomera-MW; sw of Arure: hiking path to Taguluche.
	Lecanora praepostera Nyl. (538) Saxicolous, on volcanic rocks. Application with K and Pd. E; Canary Islands; La Gomera-MW; sw of Arure: hiking path to Taguluche.
	Lecanora praepostera Nyl. (538) Saxicolous, on volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-MW; sw of Arure: hiking path to Taguluche.
	Lecanora cf. puniceofusca Bagl. (332) On volcanic rocks. Thallus continuous, slightly warted; apothecia, up to 1.1 mm diam., often crowded, +- constricted at base; margin persistent, +- flexuose; disc red-brown; epithecium red-brown, without granules; hymenium 50 μm; asci 8-spored; ascospores colourless, ellipsoid, simple 10.5-12.6 × 4.9-6.3 μm, thick-walled, smooth. Thallus K+ indistinctly yellow, Pd–; POL-. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion.
	Lecanora cf. puniceofusca Bagl. (332) On volcanic rocks. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion.
	Lecanora cf. puniceofusca Bagl. (332) On volcanic rocks. Microscopic details E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion.
	Lecanora rupicola (L.) Zahlbr. subsp. rupicola (45) On volcanic rocks. Thallus thick, deeply cracked-areolate; areoles flat, containing one or two apothecia; apothecia subimmersed, up to 1,5 mm diam.; disc flat to slightly convex, black, pruinose; margin concolorous with thallus (lecanorine); epithecium olive-green; hymenium colourless (50 µm); hypothecium colourless; ascospores simple, colourless, elliptical (10.5-13.3 x 6.3-7.7 µm); photobiont trebouxioid. Thallus K+ yellow, C-, KC-, Pd+ yellow (atranorin, chloratranorin); apothecial disc (pruina) C+ yellow. E; Canary Islands; La Gomera-M; e of Chipude: Fortaleza (via ferrata). New to La Gomera.
	Lecanora rupicola (L.) Zahlbr. subsp. rupicola (45) On volcanic rocks. Thallus K+ yellow, Pd+ yellow. E; Canary Islands; La Gomera-M; e of Chipude: Fortaleza (via ferrata).
	Lecanora rupicola (L.) Zahlbr. subsp. rupicola (45) On volcanic rocks. Apothecial disc C+ yellow. E; Canary Islands; La Gomera-M; e of Chipude: Fortaleza (via ferrata).
	Lecanora rupicola (L.) Zahlbr. subsp. rupicola (45) On volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-M; e of Chipude: Fortaleza (via ferrata).

	Lecanora sulphurella * Hepp (180411) On volcanic rocks. Thallus consisting of areoles, grey to bright yellow; apothecial disc black; margin persistent, of the colour of the thallus (lecanorine). E; Canary Islands; La Gomera-SW; ssw of Chipude: Ermita N.S. de Guadalupe.
	Lecanora sulphurella * Hepp (180411) On volcanic rocks. E; Canary Islands; La Gomera-SW; ssw of Chipude: Ermita N.S. de Guadalupe.
	Lecanora sulphurella * Hepp (220317) On volcanic rocks. E; Canary Islands; La Gomera-NW; nnw of Vallehermoso; n of the Ermita de Coromoto; surroundings of Chijere.
	Lecanora sulphurella * Hepp (220317) On volcanic rocks. E; Canary Islands; La Gomera-NW; nnw of Vallehermoso; n of the Ermita de Coromoto; surroundings of Chijere.
	Lecidea fuscoatra (L.) Ach. (422) Saxicolous; on volcanic rocks. Thallus areolate, areoles flat to convex, brown (but sometimes with a white pruina; apothecia up to 1,5 mm diam., +- immersed between areoles; disc flat to slightly convex; margin thin, concolourous, soon excluded; ascospores simple, colourless, (13.3-14.7 x 5.6-7.0 µm). Thallus K-, C-(!), KC-, Pd-. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos.
	Lecidea fuscoatra (L.) Ach. (422) Saxicolous; on volcanic rocks. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos.
	Lecidea fuscoatra (L.) Ach. (422) Saxicolous; on volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos.
	Lecidella carpathica Körb. (254) On volcanic rocks (nutrient enriched). Thallus grey-brown, granular (not sorediate), cracked- areolate; prothallus black; apothecia black, up to 1.1 mm diam.; margin disappearing with age; disc flat to convex; epithecium blue-green; hymenium colourless (70 µm); hypothecium brown; paraphyses anastomosing; ascospores simple, colourless (11.6-14.0 x 7,0-8.1 µm). Thallus K-, C- KC+ yellow, Pd-; medulla J-. E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta.
	Lecidella carpathica Körb. (254) On volcanic rocks (nutrient enriched). E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta.
	Lecidella carpathica Körb. (254) On volcanic rocks (nutrient enriched). E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta.
	Lecidella carpathica Körb. (254) On volcanic rocks (nutrient enriched). Microscopic details. E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta.
	Lecidella stigmatea (Ach.) Hertel & Leukert (421) Saxicolous; on volcanic rocks. Thallus crustose, episubstratic, areolate, pale grey to brownish, esorediate; apothecial disc plane, black, later convex; proper margin lecideine, concolourous, disappearing with age; epithecium olivaceous; hymenium colourless, 85 µm; hypothecium pale brownish; asci 8-spored; ascospores simple, colourless (14.0-18.6 x 7.0-7.7 µm); photobiont green. Thallus K-, C+ yellowish, Pd-. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos.
	Lecidella stigmatea (Ach.) Hertel & Leukert (421) Saxicolous; on volcanic rocks. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos.
	Lecidella stigmatea (Ach.) Hertel & Leukert (421) Saxicolous; on volcanic rocks. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos.
	Lecidella stigmatea (Ach.) Hertel & Leukert (421) Saxicolous; on volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos.
	Lepra aspergilla (Ach.) Hafellner (441) Saxicolous, on volcanic rocks. Thallus greyto brownish, sorediate, areolate; areoles hollow, with openings at the top; apothecie not seen, but some isidia-like cylindrical outgrowths are fertile (ascospores simple, colourless: 71.8-84.0 x 28.0-31.9 µm); soralia punctiform at first, later confluenting, convex with granular soredia. Thallus K+ yellow-brown, C-, KC-, Pd+ orange to rust-red. Fumarprotocetraric acid, succinprotocetraric acid. E; La Gomera-NW; nnw Vallehermoso; n Ermita de Coromoto; near Chijere. (Ident Kirschbaum/Sipman).
	Lepra aspergilla (Ach.) Hafellner (441) Saxicolous, on volcanic rocks. E; La Gomera-NW; nnw Vallehermoso; n Ermita de Coromoto; near Chijere. (Ident Kirschbaum/Sipman).
	Lepra aspergilla (Ach.) Hafellner (441) Saxicolous, on volcanic rocks. Fertile warts. E; La Gomera-NW; nnw Vallehermoso; n Ermita de Coromoto; near Chijere. (Ident Kirschbaum/Sipman).
	Lepra aspergilla (Ach.) Hafellner (441) Saxicolous, on volcanic rocks. Application with K and Pd. E; La Gomera-NW; nnw Vallehermoso; n Ermita de Coromoto; near Chijere. (Ident Kirschbaum/Sipman).
	Lepra aspergilla (Ach.) Hafellner (441) Saxicolous, on volcanic rocks. Microscopic details E; La Gomera-NW; nnw Vallehermoso; n Ermita de Coromoto; near Chijere. (Ident Kirschbaum/Sipman).
	Lepra aspergilla (Ach.) Hafellner (494) Saxicolous, on eroded volcanic rocks. Thallus whitish, areolate, sorediate. Thallus K+ brown, C-, KC-, Pd+ orange-red. Fumarprotocetraric acid, succinprotocetraric acid. E; La Gomera-NNW; sö Vallehermoso; nw El Tion; bei Garabato (Ident Kirschbaum/Sipman).
	Lepra aspergilla (Ach.) Hafellner (494) Saxicolous, on eroded volcanic rocks. E; La Gomera-NNW; sö Vallehermoso; nw El Tion; bei Garabato (Ident Kirschbaum/Sipman).
	Lepra aspergilla (Ach.) Hafellner (494) Saxicolous, on eroded volcanic rocks. E; La Gomera-NNW; sö Vallehermoso; nw El Tion; bei Garabato (Ident Kirschbaum/Sipman).
	Lepra aspergilla (Ach.) Hafellner (494) Saxicolous, on eroded volcanic rocks. Application with K and Pd. E; La Gomera-NNW; sö Vallehermoso; nw El Tion; bei Garabato (Ident Kirschbaum/Sipman).
	Lepra monogona (Nyl.) Hafellner (471) Saxicolous; on erodet volcanic rocks. Thallus whitish-grey, thick, areolate, warty (hemisphaerical); top +- flat, sorediate and pruinose; apothecia immersed in fertile warts (up to 2 mm diam.); ascospores colourless, simple (100-300x40-100 µm); photobiont chlorococcoid. K+ yellow turning red (krystal needles). Pd+ yellow-orange. E; Canary Islands; La Gomera-M; se of Imada; near El Azadoe.
	Lepra monogona (Nyl.) Hafellner (471) Saxicolous; on erodet volcanic rocks. E; Canary Islands; La Gomera-M; se of Imada; near El Azadoe.
	Lepra monogona (Nyl.) Hafellner (471) Saxicolous; on erodet volcanic rocks. Application with K and Pd. E; Canary Islands; La Gomera-M; se of Imada; near El Azadoe.
	Lepra monogona (Nyl.) Hafellner (471) Saxicolous; on erodet volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-M; se of Imada; near El Azadoe.
	Lepra monogona (Nyl.) Hafellner (546) Saxicolous; on volcanic rocks. E; Canary Islands; La Gomera-W; sw of Arure; hiking path to Taguluche.
	Lepra monogona (Nyl.) Hafellner (546) Saxicolous; on volcanic rocks. K+ red, Pd+ yellow. E; Canary Islands; La Gomera-W; sw of Arure; hiking path to Taguluche.
	Leprocaulon quisquilare (Leers) M. Choisy (324) syn. Leprocaulon microscopicum (Vill.) Gams ex D. Hawksw. On thin soil over volcanic rocks. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion.
	Leptochidium albociliatum (Desmaz.) Choisy (274) On volcanic rocks. Thallus consisting of ascending lobes (up to 3 mm wide); lobe margins with fine, white hairs; lower surface with white rhizinae; photobiont: Nostoc. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook.
	Leptochidium albociliatum (Desmaz.) Choisy (274) On volcanic rocks. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook.
	Leptochidium albociliatum (Desmaz.) Choisy (559) Terricolous, over volcanic rocks. E; Canary Islands; La Gomera-M; hiking path (R 16) between Casa Olsen and Imada..
	Leptogium cyanescens (Rabenh.) Körber (261) Corticolous; on Laurus novocanariensis. Thallus forming large, loose patches (up to 10 cm diam.); lobes smooth, 5-10 mm wide; with numerous laminal or marginal, cylindrical, coralloid to flat isidia; no apothecia. Spot tests negative. (The similar L. cochleatum lacks flattened isidia and has usually apothecia). E; Canary Islands; La Gomera-NW; n of the Bar Epina: surroundings of the large antenna.
	Leptogium cyanescens (Rabenh.) Körber (261) Corticolous; on Laurus novocanariensis. E; Canary Islands; La Gomera-NW; n of the Bar Epina: surroundings of the large antenna.
	Leptogium cyanescens (Rabenh.) Körber (354) Corticolous; on Ilex canariensis. Lobes wit amrginal and laminal isidia; isisdia cylindrical or flat. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero.
	Leptogium cyanescens (Rabenh.) Körber (354) Corticolous; on Ilex canariensis. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero.
	Leptogium schraderi (Ach.) Nyl. (303) (Between specimens of Toninia toepfferi). Thallus forming small upright tufts (up to few mm diam.); lobes wrinkled, margins ascending, with granular isidia. On mossy rock fissures filled with soil. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera.
	Leptogium schraderi (Ach.) Nyl. (303) (Between specimens of Toninia toepfferi). On mossy rock fissures filled with soil. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera.
	Leptogium schraderi (Ach.) Nyl. (338) (Between specimens of Toninia toepfferi). On mossy soil. Wet specimen. E; Canary Islands; La Gomera-MS; n Playa Santiago; close to Las Toscas: junction to Benchijigua.
	Leptogium schraderi (Ach.) Nyl. (338) (Between specimens of Toninia toepfferi). On mossy soil. E; Canary Islands; La Gomera-MS; n Playa Santiago; close to Las Toscas: junction to Benchijigua.
	Lobaria macaronesica Cornejo & Scheidegger (16) Corticolous; on Laurus novocanariensis. Lobes with depressions and reticulately ridged; without soralia; with true, cylindric isidia (arising directely from the upper surface: completely corticate). Medulla K+ yellow to red, C-, Pd+ yellow. (The similar L. pulmonaria has soralia, sometimes developing into untrue isidia. L. immixta is not sorediate, isidia are marginal and flat; medulla C+ red). E; Canary Islands; La Gomera-NW; n of the Bar Epina: surroundings of the large antenna.
	Lobaria macaronesica Cornejo & Scheidegger (16) Corticolous; on Laurus novocanariensis. E; Canary Islands; La Gomera-NW; n of the Bar Epina: surroundings of the large antenna.
	Lobaria macaronesica Cornejo & Scheidegger (257) Corticolous; on Ilex canariensis. Medulla K+ yellowish, C-, KC-, Pd+ orange. E; Canary Islands; La Gomera-NW; n of the Bar Epina: surroundings of the large antenna.
	Lobaria macaronesica Cornejo & Scheidegger (257) Corticolous; on Ilex canariensis. E; Canary Islands; La Gomera-NW; n of the Bar Epina: surroundings of the large antenna.
	Lobaria macaronesica Cornejo & Scheidegger (257) Corticolous; on Ilex canariensis. E; Canary Islands; La Gomera-NW; n of the Bar Epina: surroundings of the large antenna.
	Lobarina scrobiculata (Scop.) Nyl. ex Cromb. (405) Corticolous; on Erica arborea. Lobes rounded; slightly ridged; margin entire; marginal soredia blue-grey, sometimes also laminal; lower surface tomentose, convex patches naked-whitish. Medulla K+ yellow, Pd+ orange. E; Canary Islands; La Gomera-M: Pajarito.
	Lobarina scrobiculata (Scop.) Nyl. ex Cromb. (405) Corticolous; on Erica arborea. E; Canary Islands; La Gomera-M: Pajarito.
	Lobarina scrobiculata (Scop.) Nyl. ex Cromb. (405) Corticolous; on Erica arborea. Lower side. E; Canary Islands; La Gomera-M: Pajarito.
	Lobaria virens * (With.) Laundon (353) Corticolous; on Ilex canariensis. Upper surface of lobes not reticulate-ridged; lobes occasionally with secondary squamules; apothecia 2-4 mm diam., laminal, constricted at base; thalline exciple inflexed. Medulla K-, C-, KC+- reddish, Pd-. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: in the vicinity of the Mirador Dinero.
	Lobaria virens (With.) Laundon (353) Corticolous; on Ilex canariensis. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: in the vicinity of the Mirador Dinero.
	Lobaria virens (With.) Laundon (353) Corticolous; on Ilex canariensis. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: in the vicinity of the Mirador Dinero.
	Lobaria virens (With.) Laundon (360) Corticolous; on Laurus novocanariensis. Spot tests negative. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: in the vicinity of the Mirador Dinero.
	Lobaria virens (With.) Laundon (360) Corticolous; on Laurus novocanariensis. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: in the vicinity of the Mirador Dinero.

Lichens of Gomera I-L (Flechten Gomeras)

Flechtenbilder (I)

Flechtenbilder (L)

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