|
Ramalina bourgeana * Mont. ex Nyl. (281) On volcanic rocks. Thallus rigid, erected; lobes up to some cm diam., not linear; upper surface usually reticulately ridged; without isidia, soralia or pseudocyphellae; lower side only weakly ridged; apothecia often numerous; disc up to 1 cm diameter, flat to concave; margin crenate. A very variable species. Medulla K+ red, C-, Pd+ deep orange. E; Canary Islands; La Gomera-NW; w of Vallehermoso (hiking path Botan. Garden --> Ermita St. Clara). |
|
Ramalina bourgeana Mont. ex Nyl. (281) On volcanic rocks. E; Canary Islands; La Gomera-NW; w of Vallehermoso (hiking path Botan. Garden --> Ermita St. Clara). |
|
Ramalina bourgeana Mont. ex Nyl. (281) On volcanic rocks. E; Canary Islands; La Gomera-NW; w of Vallehermoso (hiking path Botan. Garden --> Ermita St. Clara). |
|
Ramalina bourgeana Mont. ex Nyl. (281) On volcanic rocks. E; Canary Islands; La Gomera-NW; w of Vallehermoso (hiking path Botan. Garden --> Ermita St. Clara). |
|
Ramalina bourgeana Mont. ex Nyl. (281) On volcanic rocks. Application with K and Pd. E; Canary Islands; La Gomera-NW; w of Vallehermoso (hiking path Botan. Garden --> Ermita St. Clara). |
|
Ramalina bourgeana * Mont. ex Nyl. (289) On volcanic rocks. Medulla K+ red, C-, KC-, Pd+ orange. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Ramalina bourgeana Mont. ex Nyl. (289) On volcanic rocks. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Ramalina bourgeana Mont. ex Nyl. (289) On volcanic rocks. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Ramalina bourgeana Mont. ex Nyl. (289) On volcanic rocks. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Ramalina bourgeana Mont. ex Nyl. (289) On volcanic rocks. Application with K and Pd. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Ramalina bourgeana * Mont. ex Nyl. (317) Wall of the house in El Tion. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Ramalina bourgeana Mont. ex Nyl. (317) Wall of the house in El Tion. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
|
|
Ramalina decipiens Mont. (47) On volcanic rocks (terrace wall). Thallus 5.5 cm long; lobes up to 5 mm wide, occasionally branched, ± flat, often longitudinally striated; pseudocyphellae inconspicuous; isidia and soralia absent; apothecial disc concave; margin crenate; pycnidia common, marginal, laminal and terminal, ostioles black. Thallus K+ red, Pd+ orange. E; Canary Islands; La Gomera-MW; hiking path between Las Hayas and El Cercado. |
|
Ramalina decipiens Mont. (47) On volcanic rocks (terrace wall). E; Canary Islands; La Gomera-MW; hiking path between Las Hayas and El Cercado. |
|
Ramalina decipiens Mont. (47) On volcanic rocks (terrace wall). E; Canary Islands; La Gomera-MW; hiking path between Las Hayas and El Cercado. |
|
Ramalina decipiens Mont. (47) On volcanic rocks (terrace wall). Spot tests with K and Pd. E; Canary Islands; La Gomera-MW; hiking path between Las Hayas and El Cercado. |
|
|
|
Ramalina huei Harm. (280) On branches of Pinus canariensis. Thallus pendulous (6 cm long); laciniae up to 7 mm wide near the holdfast; pseudocyphellae laminal and lateral (conspicuous especially at the base of laciniae), when these are lateral, they often induce separation of upper and lower cortex layers, thus exposing the medulla; apothecia lateral (up to 5 mm diam.); disc deeply concave; margin occasionally with extensions. Spot tests all negative (KC+ blue-green). Often together with R. implectens. E; Canary Islands; La Gomera-NW; hiking path between Vallehermoso (Botanical Garden) and Ermita Santa Clara. |
|
Ramalina huei Harm. (280) On branches of Pinus canariensis. Pseudocyphellae. E; Canary Islands; La Gomera-NW; hiking path between Vallehermoso (Botanical Garden) and Ermita Santa Clara. |
|
Ramalina huei Harm. (280) On branches of Pinus canariensis. Apothecia. E; Canary Islands; La Gomera-NW; hiking path between Vallehermoso (Botanical Garden) and Ermita Santa Clara. |
|
|
|
Ramalina implectens * Nyl. (279) On branches of Pinus canariensis. Thallus (resembles Usnea spec.) subpendulous, up to 15 cm long; lobes (laciniae) strap-shaped, smooth, +- canaliculate, divergently branched, with lateral branchlets; pseudocyphellae not evident; apothecia common, in distal half of branches, up to 5 mm diam.; disc concave. Thallus K+ red, C-, Pd+ orange. Often together with R. huei. E; Canary Islands; La Gomera-NW; hiking path between Vallehermoso (Botanical Garden) and Ermita Santa Clara. |
|
Ramalina implectens Nyl. (279) On branches of Pinus canariensis. E; Canary Islands; La Gomera-NW; hiking path between Vallehermoso (Botanical Garden) and Ermita Santa Clara. |
|
Ramalina implectens Nyl. (279) On branches of Pinus canariensis. E; Canary Islands; La Gomera-NW; hiking path between Vallehermoso (Botanical Garden) and Ermita Santa Clara. |
|
Ramalina implectens Nyl. (279) On branches of Pinus canariensis. Application with K and Pd. E; Canary Islands; La Gomera-NW; hiking path between Vallehermoso (Botanical Garden) and Ermita Santa Clara. |
|
Ramalina implectens??? Nyl. (286) On vertical volcanic rocks. Thallus subpendulous, up to 8 cm long; lobes (laciniae) strap-shaped (- 1.5 mm broad), smooth, divergently branched, with lateral branchlets; pseudocyphellae not evident; apothecia not seen; pycnidia black, lateral and marginal; ostioles pale. Thallus K+ red, C-, Pd+ orange. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Ramalina implectens??? Nyl. (286) On vertical volcanic rocks. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Ramalina implectens??? Nyl. (286) On vertical volcanic rocks. Pycnidia with pale ostioles. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Ramalina implectens??? Nyl. (286) On vertical volcanic rocks. Application wit K and Pd. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Ramalina krogiae Guissard & Sérus. (48) On volcanic rocks (terrace wall). Thallus up to 3 cm, brownish near the base; lobes solid, flat, subterete near apices, up to 5 mm broad, ends finely divided; granular soralia marginal or with coarse, corticate granules (photos 5/6); apothecia rare, lateral (photo 4). Thallus K-, Pd-. E; Canary Islands; La Gomera-MW; hiking path between Las Hayas and El Cercado. |
|
Ramalina krogiae Guissard & Sérus. (48) On volcanic rocks (terrace wall). E; Canary Islands; La Gomera-MW; hiking path between Las Hayas and El Cercado. |
|
Ramalina krogiae Guissard & Sérus. (48) On volcanic rocks (terrace wall). E; Canary Islands; La Gomera-MW; hiking path between Las Hayas and El Cercado. |
|
Ramalina krogiae Guissard & Sérus. (48) On volcanic rocks (terrace wall). E; Canary Islands; La Gomera-MW; hiking path between Las Hayas and El Cercado. |
|
Ramalina krogiae Guissard & Sérus. (48) On volcanic rocks (terrace wall). E; Canary Islands; La Gomera-MW; hiking path between Las Hayas and El Cercado. |
|
Ramalina krogiae Guissard & Sérus. (48) On volcanic rocks (terrace wall). E; Canary Islands; La Gomera-MW; hiking path between Las Hayas and El Cercado. |
|
Ramalina krogiae Guissard & Sérus. (242) On vertical volcanic rocks. Thallus up to 8 cm; lobes solid, flat, subterete near apices, ends finely divided; granular soralia marginal or with coarse, corticate granules; apothecia rare. Test spots all negative. E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta. |
|
Ramalina krogiae Guissard & Sérus. (242) On vertical volcanic rocks. E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta. |
|
Ramalina krogiae Guissard & Sérus. (242) On vertical volcanic rocks. E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta. |
|
Ramalina krogiae Guissard & Sérus. (242) On vertical volcanic rocks. E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta. |
|
Ramalina krogiae Guissard & Sérus. (242) On vertical volcanic rocks. E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta. |
|
Ramalina pitardii Hue (241) On vertical volcanic rocks. Thallus soft, up to 4.5 cm long; holdfast not clearly delimited; laciniae (lobes) up to 3 mm broad, hollow in parts (inflated), often fenestrate and perforate (caused by breaking pseudocyphellae); no soralia but soredia emerging on inside surfaces of the lobes; apothecia not seen. Spot tests all negative. E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta. |
|
Ramalina pitardii Hue (241) On vertical volcanic rocks. E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta. |
|
Ramalina pitardii Hue (241) On vertical volcanic rocks. E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta. |
|
Ramalina pitardii Hue (241) On vertical volcanic rocks. Thallus soft, up to 2 cm long; laciniae (lobes) up to 3 mm broad, hollow in parts (inflated), often fenestrate and perforate (caused by breaking pseudocyphellae); no soralia/isidia; apothecia subapical/apical, spurred (up to 5 mm diam.); disc concav to flat. Spot tests: K-, C-, KC+ gelb; Pd-. E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta. |
|
Ramalina pitardii Hue (241) On vertical volcanic rocks. Lower side. E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta. |
|
Ramalina pitardii Hue (241) On vertical volcanic rocks. E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta. |
|
Ramalina pitardii Hue (241) On vertical volcanic rocks. E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta. |
|
Ramalina pitardii Hue (241) On vertical volcanic rocks. Thallus soft, up to 4 cm long; laciniae (lobes) up to 2 mm broad, hollow in parts (inflated), often fenestrate and perforate (caused by breaking pseudocyphellae); no soralia/isidia; apothecia subapical/apical, spurred (up to 5 mm diam.); disc flat to slightly convex. Thallus P+ orange. E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta. |
|
Ramalina pitardii Hue (241) On vertical volcanic rocks. E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta. |
|
Ramalina pitardii Hue (241) On vertical volcanic rocks. E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta. |
|
Ramalina subfarinacea (Nyl. ex Cromb.) Nyl. (40) On volcanic rocks. Thallus up to 5 cm, erect, branched, resembling R. farinacea; lobes flattened; soralia marginal, well delimited, rounded or elliptical, concave to flat; with coars granular soredia, sometimes with projections (photo 4); apothecia rare, laminal marginal or subterminal (photo 5). Thallus K+- yellowish; soralia Pd+ orange (red). E; Canary Islands; La Gomera-M; e of Chipude: Fortaleza (via ferrata). |
|
Ramalina subfarinacea (Nyl. ex Cromb.) Nyl. (40) On volcanic rocks. E; Canary Islands; La Gomera-M; e of Chipude: Fortaleza (via ferrata). |
|
Ramalina subfarinacea (Nyl. ex Cromb.) Nyl. (40) On volcanic rocks. E; Canary Islands; La Gomera-M; e of Chipude: Fortaleza (via ferrata). |
|
Ramalina subfarinacea (Nyl. ex Cromb.) Nyl. (40) On volcanic rocks. E; Canary Islands; La Gomera-M; e of Chipude: Fortaleza (via ferrata). |
|
Ramalina subfarinacea (Nyl. ex Cromb.) Nyl. (40) On volcanic rocks. E; Canary Islands; La Gomera-M; e of Chipude: Fortaleza (via ferrata). |
|
Ramalina subfarinacea (Nyl. ex Cromb.) Nyl. (244) On vertical volcanic rocks. Thallus up to 6 cm, erect, branched, resembling R. farinacea; lobes flattened; soralia marginal, well delimited, rounded or elliptical, concave to flat; with coars granular soredia. Thallus K+ red, C-; thallus/soralia Pd+ orange. E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta. |
|
Ramalina subfarinacea (Nyl. ex Cromb.) Nyl. (244) On vertical volcanic rocks. E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta. |
|
Ramalina subfarinacea (Nyl. ex Cromb.) Nyl. (244) On vertical volcanic rocks. E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta. |
|
Ramalina subfarinacea (Nyl. ex Cromb.) Nyl. (244) On vertical volcanic rocks. Soralia. E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta. |
|
Ramalina subfarinacea (Nyl. ex Cromb.) Nyl. (244) On vertical volcanic rocks. Application with K and Pd. E; Canary Islands; La Gomera-NW; s of Vallehermoso: Camino Forestal de la Meseta. |
|
Ramalina subfarinacea (Nyl. ex Cromb.) Nyl. (287) On vertical volcanic rocks. Thallus up to 3 cm, erect, branched, resembling R. farinacea; lobes flattened, terete at apices; soralia marginal, well delimited, rounded or elliptical, flat to convex; with coars granular soredia; sometimes with projections. Thallus K+ yellow (soralia K+ red), C-, KC-; thallus/soralia Pd+ orange --> reddish. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Ramalina subfarinacea (Nyl. ex Cromb.) Nyl. (287) On vertical volcanic rocks. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Ramalina subfarinacea (Nyl. ex Cromb.) Nyl. (287) On vertical volcanic rocks. Soralia, projections. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Ramalina subfarinacea (Nyl. ex Cromb.) Nyl. (287) On vertical volcanic rocks. Application with K and Pd. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Rhizocarpon geographicum (L.) DC. (522) Saxicol, on volcanic rocks. Thallus areolate, often mosaic-forming; areoles delimited by a black hypothallus; apothecia black, irregular in shape, up to 1.5 mm diam., sitting between the areoles. Medulla K-, KC and C red (or no reaction), Pd+ orange-red (or no reaction); UV bright orange. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero. |
|
Rhizocarpon geographicum (L.) DC. (522) Saxicol, on volcanic rocks. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero. |
|
Rhizocarpon geographicum (L.) DC. (537) Saxicol, on volcanic rocks. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Rhizocarpon geographicum (L.) DC. (537) Saxicol, on volcanic rocks. Ascospores. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Rinodina beccariana var. lavicola (Steiner) Matzer & Mayrhofer (485) Saxicol; on volcanic rocks. Thallus crustose, pale grey, areolate; apothecia (-1 mm diam.), semi-immersed at first, later sessile; disc black, +- flat; thalline margin excluded with age, proper margin lecideine, persistent; epithecium brown; hymenium colourless (110 μm); hypothecium colourless; asci 8-spored; ascospores 1-septate, brown, 17-24.5 x (7.7-14 μm), Pachysporaria-type (with rounded lumina); photobiont green. Thallus K+ yellow, C-, KC+ orange, P+- yellow. E; Canary Islands; La Gomera-NNW; se of Vallehermoso; nw of El Tion; near Garabato. (Ident. V. Wirth). New to La Gomera.
|
|
Rinodina beccariana var. lavicola (Steiner) Matzer & Mayrhofer (485) Saxicol; on volcanic rocks. E; Canary Islands; La Gomera-NNW; se of Vallehermoso; nw of El Tion; near Garabato. (Ident. V. Wirth). |
|
Rinodina beccariana var. lavicola (Steiner) Matzer & Mayrhofer (485) Saxicol; on volcanic rocks. E; Canary Islands; La Gomera-NNW; se of Vallehermoso; nw of El Tion; near Garabato. (Ident. V. Wirth). |
|
Rinodina beccariana var. lavicola (Steiner) Matzer & Mayrhofer (485) Saxicol; on volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-NNW; se of Vallehermoso; nw of El Tion; near Garabato. (Ident. V. Wirth). |
|
Roccella fuciformis * (L.) DC. (283) On volcanic rocks. Thallus consisting of flat and smooth branches; soralia marginal, well delimited, granular; holdfast black and white. Cortex C-; subcortex C-; soralia C+ red. E; Canary Islands; La Gomera-NW; hiking path between Vallehermoso (Botanical Garden) and Ermita Santa Clara. |
|
Roccella fuciformis * (L.) DC. (283) On volcanic rocks. Together with R. tinctoria. E; Canary Islands; La Gomera-NW; hiking path between Vallehermoso (Botanical Garden) and Ermita Santa Clara. |
|
Roccella phycopsis * (Ach.) Ach. (319) On a house wall, made of volcanic rocks. Thallus consisting of terete, foveate or nearly smooth branches; soralia well delimited, with granular soredia; holdfast yellow. Thallus K-; cortex C+ red; soralia C+ red !). E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Roccella phycopsis (Ach.) Ach. (319) On a house wall, made of volcanic rocks. Holdfast. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Roccella phycopsis (Ach.) Ach. (319) On a house wall, made of volcanic rocks. Application with C. (The red color fades very quickly). E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Roccella tinctoria * DC. (282) On volcanic rocks. Thallus consisting of terete, foveate or smooth branches; soralia well delimited, granular; holdfast black and white. Thallus K-; cortex C-; subcortex C+ red; soralia C+ red. E; Canary Islands; La Gomera-NW; hiking path between Vallehermoso (Botanical Garden) and Ermita Santa Clara. |
|
Roccella tinctoria * DC. (282) On volcanic rocks. R. tinctoria together with R. fuciformis. E; Canary Islands; La Gomera-NW; hiking path between Vallehermoso (Botanical Garden) and Ermita Santa Clara. |
|
Roccella tinctoria DC. (285) On volcanic rocks. Cortex C-; subcortex C+ red; soralia C+ red. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Roccella tinctoria * DC. (320) On a house wall, made of volcanic rocks. Thallus consisting of terete, foveate or smooth branches; no soralia; apothecia in statu nascendi, disc pruinose; holdfast brownish. Thallus K-; cortex C-; subcortex C+ red. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Roccella tinctoria DC. (320) On a house wall, made of volcanic rocks. Holdfast brown. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Roccella tinctoria DC. (320) On a house wall, made of volcanic rocks. Initial stages of apothecia. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Roccella tinctoria DC. (426) Saxicolous, on volcanic rocks. Holdfast dark; cortex C-; soralia C+ red. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos. |
|
Roccella tinctoria DC. (426) Saxicolous, on volcanic rocks. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos. |
|
Roccella tinctoria DC. (426) Saxicolous, on volcanic rocks. With an apothecium; soralia small.. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos. |
|
Rufoplaca arenaria Arup, Söchting & Fröden (417) (syn. Caloplaca arenaria/subpallida). Saxicolous, on volcanic rocks. Thallus inconspicuous; owergrowing other crustose lichens; apothecia up to 0,7 mm diam., rounded to flexuose, disc flat, dark (red)orange; margin prominent, persistent, sometimes minutely crenulate, slightly paler than disc; asci 8-spored; ascospores colourless, polarilocular (10.5-14 x 7-8.8 µm); photobiont chlorococcoid. Thallus K-, apothecia: K+ purple. Characterized by the orange-red disc, with a persistent margin and a thin, inconspicuous thallus. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos. |
|
Rufoplaca arenaria Arup, Söchting & Fröden (417) (syn. Caloplaca arenaria/subpallida). Saxicolous, on volcanic rocks. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos. |
|
Rufoplaca arenaria Arup, Söchting & Fröden (417) (syn. Caloplaca arenaria/subpallida). Saxicolous, on volcanic rocks. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos. |
|
Rufoplaca arenaria Arup, Söchting & Fröden (417) (syn. Caloplaca arenaria/subpallida). Saxicolous, on volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos. |
|
Rufoplaca arenaria (Pers.) Arup, Söchting & Fröden (434) (syn. Caloplaca arenaria/subpallida). Saxicolous, on volcanic rocks. Thallus inconspicuous, +- immersed in substratum, pale grey; apothecia up to 0.7 mm diam., rounded to flexuose, disc flat, dark orange; proper margin +- elevated, persistent, concolourous; ascospores polarilocular, septum 4-6 µm (13.3- 16.5 x 7.0-7,7µm). Thallus K-, apothecia: K+ purple. E; Canary Islands; La Gomera-NW; nnw of Vallehermoso; n of the Ermita de Coromoto; surroundings of Chijere. |
|
Rufoplaca arenaria (Pers.) Arup, Söchting & Fröden (434) Saxicolous, on volcanic rocks. E; Canary Islands; La Gomera-NW; nnw of Vallehermoso; n of the Ermita de Coromoto; surroundings of Chijere. |
|
Rufoplaca arenaria (Pers.) Arup, Söchting & Fröden (434) Saxicolous, on volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-NW; nnw of Vallehermoso; n of the Ermita de Coromoto; surroundings of Chijere. |
|
Sanguineodiscus aractinus (Fr.) I.V. Frolov & Vondrák (420) (syn. Caloplaca aractina). Saxicolous; on volcanic rocks. Thallus brownish-grey, areolate; apothecia up to 0.7 mm diam.; disc rusty, flat to convex; proper margin inconspicuous, disappearing with age; thalline margin grey, persistent; epithecium brown; hymenium colourless (60 µm); hypothecium colourless; asci 8-spored; ascospores colourless, polarilocular (10.9-13.3 x 7.0-7.7 µm); septum wide. Thallus K-; apothecia K+ red. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos. New to La Gomera.
|
|
Sanguineodiscus aractinus (Fr.) I.V. Frolov & Vondrák (420) (syn. Caloplaca aractina). Saxicolous; on volcanic rocks. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos.
|
|
Sanguineodiscus aractinus (Fr.) I.V. Frolov & Vondrák (420) (syn. Caloplaca aractina). Saxicolous; on volcanic rocks. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos.
|
|
Sanguineodiscus aractinus (Fr.) I.V. Frolov & Vondrák (420) (syn. Caloplaca aractina). Saxicolous; on volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos.
|
|
Squamarina cartilaginea * (With.) P. James (273) On volcanic rocks. Thallus squamulose; squamules greenish yellow, thick, overlapping, pruinose (pruina mainly on the margins); lower surface dark; apothecia not very common, 3 mm diam, disc brownish to reddish brown; margin entire, often excluded with age. Medulla Pd+ yellow or Pd-. E; Canary Islands; La Gomera-MS; e of Imada: El Azadoe. |
|
Squamarina cartilaginea * (With.) P. James (273) On volcanic rocks. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook.
|
|
Squamarina lentigera * (Weber) Poelt (18) On calcareous soil. Thallus rosette-forming; squamules whitish to ochre, covered with a white pruina (especially at the thalline margins); margins turned upward; apothecia 1.5-2 mm diam.; thalline exciple entire, thick at first, later almost disappearing; proper exciple inconspicuous. No spot reactions. E; Canary Islands; La Gomera-NW: Village of Epina. |
|
Squamarina lentigera (Weber) Poelt (18) On calcareous soil. E; Canary Islands; La Gomera-NW: Village of Epina. |
|
Squamarina lentigera (Weber) Poelt (18) On calcareous soil.
E; Canary Islands; La Gomera-NW: Village of Epina. |
|
Squamarina lentigera (Weber) Poelt (18) On calcareous soil.
E; Canary Islands; La Gomera-NW: Village of Epina. |
|
Squamulea subsoluta (Nyl.) Arup, Søchting & Frödén (467) (Caloplaca s.; Caloplaca irrubescens). On strongly eroded basaltic rocks. Thallus consisting of small patches, areolate; on a black hypothallus; apothecia up to 0.5 mm diam. (looking like golden stars on a black sky); proper margin concolorous with disc, becoming excluded with age; epithecium orange-brown; hymenium colourless; hypothecium colourless; ascospores polarilocular (11.2-15.8 x 7.0-9.1 µm); septum 1.8-5.3 µm. Thallus and apothecia K+ red. E; Canary Islands; La Gomera-MS; e of Imada: El Azadoe. |
|
Squamulea subsoluta (Nyl.) Arup, Søchting & Frödén (467) (Caloplaca s.; Caloplaca irrubescens). On strongly eroded basaltic rocks. E; Canary Islands; La Gomera-MS; e of Imada: El Azadoe. |
|
Squamulea subsoluta (Nyl.) Arup, Søchting & Frödén (467) (Caloplaca s.; Caloplaca irrubescens). On strongly eroded basaltic rocks. E; Canary Islands; La Gomera-MS; e of Imada: El Azadoe. |
|
Squamulea subsoluta (Nyl.) Arup, Søchting & Frödén (467) (Caloplaca s.; Caloplaca irrubescens). On strongly eroded basaltic rocks. E; Canary Islands; La Gomera-MS; e of Imada: El Azadoe. |
|
Squamulea subsoluta (Nyl.) Arup, Søchting & Frödén (467) (Caloplaca s.; Caloplaca irrubescens). On strongly eroded basaltic rocks. Microscopic details. E; Canary Islands; La Gomera-MS; e of Imada: El Azadoe. |
|
Squamulea subsoluta (Nyl.) Arup, Søchting & Frödén (519) (Caloplaca s.; Caloplaca irrubescens). Saxicolous; on basaltic rocks. Asci 8-spored; ascospores colourless to brown (12.3-15.8 x 5.3-9.1 µm); septum 0.8-3.6 µm. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
|
Squamulea subsoluta (Nyl.) Arup, Søchting & Frödén (519) (Caloplaca s.; Caloplaca irrubescens). Saxicolous; on basaltic rocks. Microscopic details. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
|
Stereocaulon azoreum * (Schaer.) Nyl. (339) On volcanic rocks. Thallus erect; pseudopodetia branched; phyllocladia granular to squamulose; neither isidiate nor sorediate; apothecia up to 1 mm diam.. Thallus K+ yellow, Pd+ orange-reddish. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero. |
|
Stereocaulon azoreum (Schaer.) Nyl. (339) On volcanic rocks. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero. |
|
Stereocaulon azoreum (Schaer.) Nyl. (339) On volcanic rocks. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero. |
|
Stereocaulon azoreum (Schaer.) Nyl. (339) On volcanic rocks. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero. |
|
Stereocaulon azoreum (Schaer.) Nyl. (339) On volcanic rocks. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero. |
|
Stereocaulon azoreum (Schaer.) Nyl. (339) On volcanic rocks. Apothecium. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero. |
|
Stereocaulon azoreum (Schaer.) Nyl. (339) On volcanic rocks. Application with K and Pd. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero. |
|
Stereocaulon dactylophyllum Flörke (41) On volcanic rocks. Thallus consisting of +- erect, +- terete pseudopodetia (-3.5 cm tall), solid, without tomentum; covered with numerous cylindrical to coralloid protuberances (phyllocladia), resembling to isidia with dark tips; without apothecia (usually numerous). Thallus K+ yellow (my first application showed reddish-brown colour; C-; KC-; Pd + yellow. E; Canary Islands; La Gomera-M; e of Chipude: Fortaleza (via ferrata). |
|
Stereocaulon dactylophyllum Flörke (41) On volcanic rocks. E; Canary Islands; La Gomera-M; e of Chipude: Fortaleza (via ferrata). |
|
Stereocaulon dactylophyllum Flörke (41) On volcanic rocks. E; Canary Islands; La Gomera-M; e of Chipude: Fortaleza (via ferrata). |
|
Stereocaulon dactylophyllum Flörke (41) On volcanic rocks. Two spot tests with K and with Pd. E; Canary Islands; La Gomera-M; e of Chipude: Fortaleza (via ferrata). |
|
Sticta canariensis (Flörke) Delise (259) (morphotype S. dufourii with cyanobacteria). On mossy Ilex canariensis. Lobes incised; margins with blue-green isidia (flattened) and small lobules; lower surface pale brown, with an dense tomentum; cyphellae rounded. Spot reactions negative. E; Canary Islands; La Gomera-NW; n of the Bar Epina: hiking path between the large antenna and Ermita Santa Clara. |
|
Sticta canariensis (Flörke) Delise (259) (morphotype S. dufourii with cyanobacteria). E; Canary Islands; La Gomera-NW; n of the Bar Epina: hiking path between the large antenna and Ermita Santa Clara. |
|
Sticta canariensis * (Flörke) Delise (362) (morphotype S. dufourii with cyanobacteria). On Laurus novocanariensis. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero. |
|
Sticta canariensis (Flörke) Delise (362) (morphotype S. dufourii with cyanobacteria). On Laurus novocanariensis. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero. |
|
Sticta canariensis (Flörke) Delise (362) (morphotype S. dufourii with cyanobacteria). On Laurus novocanariensis. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero. |
|
Sticta canariensis (Flörke) Delise (393) (morphotype S. dufourii with cyanobacteria). E; Canary Islands; La Gomera-NW; n of the Bar Epina: hiking path between the large antenna and Ermita Santa Clara. |
|
Sticta canariensis (Flörke) Delise (393) (morphotype S. dufourii with cyanobacteria). E; Canary Islands; La Gomera-NW; n of the Bar Epina: hiking path between the large antenna and Ermita Santa Clara. |
|
Sticta canariensis (Flörke) Delise (393) (morphotype S. dufourii with cyanobacteria). Lower surface. E; Canary Islands; La Gomera-NW; n of the Bar Epina: hiking path between the large antenna and Ermita Santa Clara. |
|
Sticta fuliginosa (Hoffm.) Ach. (17) On Laurus novocanariensis. Thallus up to 5 cm diam., ± single-lobed; lobes rounded (to 3 cm wide); upper surface with scattered cylindrical to coralloid isidia; lower side brown, with conspicuous, rounded cyphellae. Spot tests negative. (Very similar is S. sylvatica, but the latter has uneven lobe margins and is more-lobed when mature). E; Canary Islands; La Gomera-NW; n of the Bar Epina: surrounding of the large antenna. |
|
Sticta fuliginosa (Hoffm.) Ach. (17) On Laurus novocanariensis. Upper surface with corraloid isidia. E; Canary Islands; La Gomera-NW; n of the Bar Epina: surrounding of the large antenna. |
|
Sticta fuliginosa (Hoffm.) Ach. (17) On Laurus novocanariensis. Lower surface with tomentum and cyphellae. E; Canary Islands; La Gomera-NW; n of the Bar Epina: surrounding of the large antenna. |
|
Sticta fuliginosa (Hoffm.) Ach. (409) On Laurus novocanariensis. E; Canary Islands; La Gomera-M: Pajarito. |
|
Sticta limbata (Sm.) Ach. (403) Corticol, on Erica arborea. Thallus consisting of large lobes (usually few); lobes (up to 1-2 cm wide) with rounded margins; soralia blue-grey, marginal (occasionally also laminal); lower surface pale brown, pubescent, with limited white cyphellae. Spot tests negative. E; Canary Islands; La Gomera-M: Pajarito. |
|
Strigula decipiens (Malme) P.M. Mc Carthy (337) On volcanic rocks. Thallus brownish-greenish-grey, forming rounded colonies up to 1.5 cm diam., areolate in the center; prothallus whitish; Perithecia numerous, 1-3 per areole, ca. 1/3 immersed in the thallus, +- black; ostioles apical, inconspicuous; paraphyses simple; asci fissitunicate, 8-spored (?), 70 µm; ascospores colourless, 5-septate, fusiform, often tapering towards the proximal end, (26.6-31.5 x 3.5-4.6 µm). Photobiont: Trentepohlia. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Strigula decipiens (Malme) P.M. Mc Carthy (337) On volcanic rocks. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Strigula decipiens (Malme) P.M. Mc Carthy (337) On volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Strigula decipiens (Malme) P.M. Mc Carthy (337) On volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Teloschistes chrysophthalmus (L.) Th. Fr. (34) On twigs of dead Cistus monspeliensis. Lobes flattened; upper surface yellow to grey-orange, lower surface paler; lobes with spinules; apothecia abundant, short stalked, margins with numerous spinules (resembles a golden eye). Thallus K+ red. E; Canary Islands; La Gomera-M; e of Chipude: n of Fortaleza. |
|
Teloschistes chrysophthalmus (L.) Th. Fr. (526) On twigs of dead Cistus monspeliensis. E; Canary Islands; La Gomera-M; e of Chipude: n of Fortaleza. |
|
Teloschistes flavicans * (Sw.) Norm. (180405) On volcanic rocks. Thallus fructicose, richely branched; branches (0.5-1 mm) rounded, flattened or angled. Cortex K+ purple. E; Canary Islands; La Gomera-NW; n of the Bar Epina: hiking path between the large antenna and Ermita Santa Clara. |
|
Teloschistes flavicans * (Sw.) Norm. (394) On volcanic rocks. Thallus fructicose, richely branched; branches (0.5-1 mm) rounded, flattened or angled. Cortex K+ purple. E; Canary Islands; La Gomera-NW; n of the Bar Epina: hiking path between the large antenna and Ermita Santa Clara. |
|
Tephromela grumosa (Pers.) Hafellner & Roux (424) Saxicolous; on volcanic rocks. Thallus thick, cracked/areolate, areoles (-1.5 mm diam.), covered with granular soredia (blue-grey); apothecia not seen. Thallus/soralia K+ yellow, C-, KC-, Pd-. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos. (New to La Gomera). |
|
Tephromela grumosa (Pers.) Hafellner & Roux (424) Saxicolous; on volcanic rocks. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos. (New to La Gomera). |
|
Tephromela grumosa (Pers.) Hafellner & Roux (424) Saxicolous; on volcanic rocks. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos. (New to La Gomera). |
|
Toninia toepfferi * (Stein) Navás (56) syn. Thalloidioma toepfferi Stein On rock fissures (terrace wall) filled with soil. Tallus squamulose; squamules up to 4 mm diam., bullate; upper surface epruinose, with conspicuous white pseudocyphellae, lacking pores; apothecia up to 3 mm diam., plane and marginate when young, becoming convex and immarginate with age; disc slightly pruinose or epruinose. Epithecium K+ violet, N+ violet. (Together with T. physaroides the only pseudocyphellate species). E; Canary Islands; La Gomera-MW; hiking path between Las Hayas and El Cercado. Image width: 29 mm. |
|
Toninia toepfferi * (Stein) Navás (56) syn. Thalloidioma toepfferi Stein On rock fissures (terrace wall) filled with soil. E; Canary Islands; La Gomera-MW; hiking path between Las Hayas and El Cercado. |
|
Toninia toepfferi (Stein) Navás (56) syn. Thalloidioma toepfferi Stein On rock fissures (terrace wall) filled with soil. E; Canary Islands; La Gomera-MW; hiking path between Las Hayas and El Cercado. |
|
Toninia toepfferi (Stein) Navás (303) syn. Thalloidioma toepfferi Stein On mossy rock fissures filled with soil. Tallus squamulose; squamules bullate; upper surface sometimes +-pruinose, with conspicuous white pseudocyphellae (up to 0.4. mm diam.); cortex cellular (see microscopic details); apothecia up to 3 mm diam., plane and marginate when young, becoming convex and immarginate with age; disc slightly pruinose or epruinose. Epithecium grey; hymenium colourless (50-80 µm); hypothecium dark brown; asci 8-spored; paraphyses +- unbranched; ascospores colourless, 1-septate (16.8 - 20.3 x 3.5 - 4.6 µm), +- fusiform, often with one end +- rounded, the other pointed. (Together with T. physaroides the only pseudocyphellate species). E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Toninia toepfferi (Stein) Navás (303) syn. Thalloidioma toepfferi Stein On mossy rock fissures filled with soil. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Toninia toepfferi (Stein) Navás (303) syn. Thalloidioma toepfferi Stein On mossy rock fissures filled with soil. Microscopic details. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Toninia toepfferi (Stein) Navás (338) syn. Thalloidioma toepfferi Stein On mossy soil. (Wet specimen). E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. E; Canary Islands; La Gomera-MS; n Playa Santiago; close to Las Toscas: junction to Benchijigua. |
|
Toninia toepfferi (Stein) Navás (338) syn. Thalloidioma toepfferi Stein On mossy soil. E; Canary Islands; La Gomera-MS; n Playa Santiago; close to Las Toscas: junction to Benchijigua. |
|
Toninia toepfferi (Stein) Navás (338) syn. Thalloidioma toepfferi Stein On mossy soil. E; Canary Islands; La Gomera-MS; n Playa Santiago; close to Las Toscas: junction to Benchijigua.
It is my impression tha T. toepfferi is the most common Toninia in La Gomera. (I have seen it many times at different places). |
|
Toninia toepfferi * (Stein) Navás (512) syn. Thalloidioma toepfferi Stein Thallus squamulose, black, +- shiny; squamules scattered, up to 4 mm wide, bullat; with white pseudocyphellae (up to 0.3 mm diam; apothecia rare, margin lecideine, constricted at base, up to 4 mm diam; disc weakly pruinose; epithecium dark grey; hymenium colourless, 40-55 µm; paraphyses: the apical cell swollen; hypothecium reddish brown; asci 8-spored; ascospores 1-septate, colourless, fusiform/bacilliform, 14.0-19.3 x 3.5-4.9 µm. Photobiont Nostoc. Spot tests negative. E; Canary Islands; La Gomera-M; e of Chipude: n of Fortaleza. |
|
Toninia toepfferi * (Stein) Navás * (512) syn. Thalloidioma toepfferi Stein E; Canary Islands; La Gomera-M; e of Chipude: n of Fortaleza. |
|
Toninia toepfferi (Stein) Navás (512) syn. Thalloidioma toepfferi Stein E; Canary Islands; La Gomera-M; e of Chipude: n of Fortaleza. |
|
Toninia toepfferi (Stein) Navás (512) syn. Thalloidioma toepfferi Stein E; Canary Islands; La Gomera-M; e of Chipude: n of Fortaleza. |
|
Toninia toepfferi (Stein) Navás (512) syn. Thalloidioma toepfferi Stein E; Canary Islands; La Gomera-M; e of Chipude: n of Fortaleza. |
|
Toninia toepfferi (Stein) Navás (512) syn. Thalloidioma toepfferi Stein Microscopic details. E; Canary Islands; La Gomera-M; e of Chipude: n of Fortaleza. |
|
Toninia tristis subsp. pseudotabacina Timdal (463a) On base rich soil. Thallus squamulose, chestnut brown to dark brown; . squamules bullate, often with punctiform pores; upper cortex with a parplectenchymatous layer; apothecia constricted a base, margin lecideine; lecideine; epithecium blue-green; hymenium colourless, 45 - 55 µm; paraphyses thickened at apices; hypothecium bright brownish; asci 8-spored, ascospores 1-celled, colourless, ellipsoid, 11.9 -14.7 x 4.6-6.3 µm; photobiont chlorococcoid. Spot tests negative. E; Canary Islands; La Gomera--MS; se of Imada: El Azadoe. |
|
Toninia tristis subsp. pseudotabacina Timdal (463a) On base rich soil. E; Canary Islands; La Gomera--MS; se of Imada: El Azadoe. |
|
Toninia tristis subsp. pseudotabacina Timdal (463a) On base rich soil. Specimen with an apothecium (1.5 mm diam.). E; Canary Islands; La Gomera--MS; se of Imada: El Azadoe. |
|
Toninia tristis subsp. pseudotabacina Timdal (463a) On base rich soil. E; Canary Islands; La Gomera--MS; se of Imada: El Azadoe. |
|
Toninia tristis subsp. pseudotabacina Timdal (463a) On base rich soil. Microscopic details. E; Canary Islands; La Gomera--MS; se of Imada: El Azadoe. |
|
Tuckermannopsis chlorophylla (Willd.) Hale (404) Corticol; on Erica arborea. Lobes with marginal soralia; lower side pale brownn, shiny; with few, simple rhizines; without tomentum. Photobiont green. E; Canary Islands; La Gomera-M: Pajarito. |
|
Tuckermannopsis chlorophylla (Willd.) Hale (404) Corticol; on Erica arborea. E; Canary Islands; La Gomera-M: Pajarito. |
|
Tuckermannopsis chlorophylla (Willd.) Hale (404) Corticol; on Erica arborea. Lower surface E; Canary Islands; La Gomera-M: Pajarito. |
|
Unknown crustose species (288) On mossy soil between Toninia toepfferi (303). Thallus ecorticate, +- sorediate; apothecia dark grey; up to 0.5 mm diam.; without a margin, convex to semi-globose from beginning; epithecium slightly brown; hymenium colourless (35-40 µm); hypothecium colourless; asci >4-spored; ascospores colourless (but brownish with age), narrow ellipsoid, 1-septate (12.6 - 17.8 x 3.2 - 4.2 µm). Thallus K+ yellow, C-, Pd-. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Unknown crustose species (288) On mossy soil between Toninia toepfferi (303). E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Unknown crustose species (288) On mossy soil between Toninia toepfferi (303). E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Unknown crustose species (288) On mossy soil between Toninia toepfferi (303). E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Unknown crustose species (288) On mossy soil between Toninia toepfferi (303). E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Unknown crustose species (288) On mossy soil between Toninia toepfferi (303). Application with K. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Unknown crustose species (288) On mossy soil between Toninia toepfferi (303). Microscopic details. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Unknown crustose species (335) On volcanic rocks. Thallus areolate; prothallus black; apothecia black (up to 2.3 mm diam.), constricted at base; often clustered; margin lecideine, prominent, persistent, irregularly bent; disc black, pruinose; epithecium olive; hymenium colourless (88 µm); paraphyses anastomosing; hypothecium colourless; asci 8-spored (81 µm); ascospores colourless (with perispor?), simple (10.5-21.0 x 6.3-9.5 µm). Thallus K+ yellow, C-, KC+ orange; Pd-; margin and upper part of hymenium POL+. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Unknown crustose species (335) On volcanic rocks. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Unknown crustose species (335) On volcanic rocks. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Unknown crustose species (335) On volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Unknown crustose species (350) On volcanic rocks. Thallus areolate; apothecia black (up to 2.5 mm diam.), +- immersed; often clustered; margin lecideine, prominent, persistent; disc black, pruinose, flat to convex, uneven; epithecium olive-brown; hymenium colourless (100-130 µm); paraphyses anastomosing; hypothecium colourless; asci 8-spored (81 µm); ascospores colourless (with perispor), simple (17.5-21.0 x 7.0-9.8 µm). Thallus K+- yellowish, C-, KC-, Pd-. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero. |
|
Unknown crustose species (350) On volcanic rocks. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero. |
|
Unknown crustose species (350) On volcanic rocks. Microscopic details. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero. |
|
Unknown crustose species (372) On bark of Castanea sativa. Thallus thin, uneven; apothecia black, up to 1.2 mm diam.; Photobiont Trentepohlia (?), (7.7-10.9 x 9.8 µm); margin lecideine, irregular, persistent; disc black, flat to slightly convex; epithecium olive, hymenium colourless (55 µm), with oil droplets (?); hypothecium grey; asci 8-spored; paraphyses +- parallel; ascospores simple, colourless (14.0-15.8 x 7.0-8.4 µm). Thallus K-, C-, KC+- yellowish, Pd-. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero. |
|
Unknown crustose species (372) On bark of Castanea sativa. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero. |
|
Unknown crustose species (372) On bark of Castanea sativa. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero. |
|
Unknown crustose species (372) On bark of Castanea sativa. Microscopic details. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero. |
|
Unknown crustose species (372) On bark of Castanea sativa. Microscopic details. E; La Gomera-MN; s of Las Rosas; s of Roque Blanco: near Mirador Dinero. |
|
Unknown squamulose species (425) Saxicolous, on volcanic rocks. Thallus squamulose; squamules up to 1 mm diam., attached to the substratum or ascending; flat when young, later convex; lower side black; photobiont green. Thallus K+ yellow, C-, KC-, Pd-. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos. |
|
Unknown squamulose species (425) Saxicolous, on volcanic rocks. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos. |
|
Unknown squamulose species (425) Saxicolous, on volcanic rocks. E; Canary Islands; La Gomera-M; R16 between Casa Olsen and Imada: Lomo de las Cardos. |
|
Usnochroma scoriophilum * (A. Massal.) Søchting, Arup & Frödén (Caloplaca scoriophila) (180411) On volcanic rocks. Thallus yellow-green, effigurated; areoles and "lobes" convex (difference to U. carphinea); apothecial disc orange-red, flat when young, later convex; margin lecanorine (concolorous with thallus); spores ellipsoid, polarilocular. Thallus KC+ (faintly red); apothecial disc K+ red. E; Canary Islands; La Gomera-SW; ssw of Chipude: close to Ermita N.S. de Guadalupe. |
|
Usnochroma scoriophilum (A. Massal.) Søchting, Arup & Frödén (Caloplaca scoriophila) (464) On volcanic rocks. E; Canary Islands; La Gomera-MS; se of Imada: El Azadoe |
|
Usnochroma scoriophilum (A. Massal.) Søchting, Arup & Frödén (Caloplaca scoriophila) (545) On volcanic rocks. E; Canary Islands; La Gomera-W; sw of Arure: hiking path down to Taguluche.
|
|
Varicellaria hemisphaerica (Flörke) Schmitt & Lumbsch (406) Corticolous; on twigs of Erica arborea (shady). Thallus grey, thick, warted; prothallus white to silver; soralia concolorous or paler (up to 1.5 mm), strongly convex; soredia granular. Thallus/soralia K-, C+ carmine-red, KC+ red, Pd-; UV glaucous. The species resembles Ochrolechia arborea, but the latter has a thin thallus, concave soralia and is UV+ orange. E; Canary Islands; La Gomera-M: Pajarito. (New to La Gomera). |
|
Variospora dolomiticola (Huds.) Arup, Søchting, & Frödén (305) Saxicolous; on volcanic rocks. Thallus consisting of small patches, areolate, pruinose; apothecia up to 0.4 mm diam.; proper margin concolorous with disc, becoming excluded with age; epithecium orange-brown; hymenium colourless (42-53 µm); hypothecium colourless; ascospores polarilocular (11.6-14.7 x 6.3-8.4 µm); septum 3.5-5.0 µm. Thallus and apothecia K+ red. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera.
|
|
Variospora dolomiticola (Huds.) Arup, Søchting, & Frödén (305) Saxicolous; on volcanic rocks. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Variospora dolomiticola (Huds.) Arup, Søchting, & Frödén (305) Saxicolous; on volcanic rocks. Microscopic details E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Variospora dolomiticola (Huds.) Arup, Søchting, & Frödén (487) Saxicolous; on eroded basaltic rocks. Thallus orange; disc deep orange; proper margin concolorous (disappearing with age); epithecium brown-orange; hymenium colourless (55 µm); hypothecium colourless; asci 8-spored; ascospores colourless, 1-septate (polarilocular), 11.9-13.7 x 6.3-8.8 µm; septum 1.8-4.9 µm. Thallus and apothecia K+ red. E; Canary Islands; La Gomera-NNW; se of Vallehermoso; nw of El Tion; near Garabato. |
|
Variospora dolomiticola (Huds.) Arup, Søchting, & Frödén (487) Saxicolous; on eroded basaltic rocks. E; Canary Islands; La Gomera-NNW; se of Vallehermoso; nw of El Tion; near Garabato. |
|
Variospora dolomiticola (Huds.) Arup, Søchting, & Frödén (487) Saxicolous; on eroded basaltic rocks. Microscopic details. E; Canary Islands; La Gomera-NNW; se of Vallehermoso; nw of El Tion; near Garabato. |
|
Variospora dolomiticola (Huds.) Arup, Søchting, & Frödén (535) Saxicolous; on volcanic rocks (calcareous). Thallus squamulose-areolate; pruinose; apothecia up to 1 mm diam.; margin zeorine; epithecium orange-brown; hymenium colourless; hypothecium colourless; asci 8-spored; ascospores coöourless, polarilocular (10.5-12.3 x 5.6-8.8 µm); septum 1.8-5.3 µm. Thallus K+ red; apothecia K+ red. E; Canary Islands; La Gomera-MW; sw of Arure: hiking path to Taguluche. New to La Gomera.
|
|
Variospora dolomiticola (Huds.) Arup, Søchting, & Frödén (535) Saxicolous; on volcanic rocks (calcareous). E; Canary Islands; La Gomera-MW; sw of Arure: hiking path to Taguluche. |
|
Variospora dolomiticola (Huds.) Arup, Søchting, & Frödén (542) Saxicolous; on volcanic rocks (calcareous). E; Canary Islands; La Gomera-MW; sw of Arure: hiking path to Taguluche. |
|
Variospora dolomiticola (Huds.) Arup, Søchting, & Frödén (542) Saxicolous; on volcanic rocks (calcareous). E; Canary Islands; La Gomera-MW; sw of Arure: hiking path to Taguluche. |
|
Variospora dolomiticola (Huds.) Arup, Søchting, & Frödén (535) Saxicolous; on volcanic rocks (calcareous). Microscopic details. E; Canary Islands; La Gomera-MW; sw of Arure: hiking path to Taguluche. |
|
Variospora fuerteventurae * van den Boom & Etayo (264) On a nw-exposed terrace wall of volcanic rocks (calcareous?). Thallus placodioid; lobes closely adpressed and flat to convex, rounded, slightly palmate, partly pruinose; apothecia up to 1 mm diam.; epithecium orange-brown; hymenium colourless (-70 µm); paraphyses +- simple; hypothecium colourless; asci 8-spored (63 µm); ascospores colourless, polarilocular, some ellipsoid, others lemon-shaped to rhomboid in parts (13.7-14.7 x 7.0-7.4 µm); septum 4-5 µm. Th. and apothecia K+ red. E; Canary Islands; La Gomera-MW: n of Arure. |
|
Variospora fuerteventurae * van den Boom & Etayo (264) On a nw-exposed terrace wall of volcanic rocks (calcareous?). E; Canary Islands; La Gomera-MW: n of Arure. |
|
Variospora fuerteventurae van den Boom & Etayo (264) On a nw-exposed terrace wall of volcanic rocks (calcareous?). E; Canary Islands; La Gomera-MW: n of Arure. |
|
Variospora fuerteventurae van den Boom & Etayo (264) On a nw-exposed terrace wall of volcanic rocks (calcareous?). E; Canary Islands; La Gomera-MW: n of Arure. |
|
Variospora fuerteventurae van den Boom & Etayo (264) On a nw-exposed terrace wall of volcanic rocks (calcareous?). Microscopic details. E; Canary Islands; La Gomera-MW: n of Arure. |
|
Variospora fuerteventurae * van den Boom & Etayo (306) On volcanic rocks. Thallus placodioid, but areolate in the center; lobes convex, pruinose; apothecia up to 1.3 mm diam.; +- confined to the center; disc flat, later convex; margin paler than disc, later disapperaring; epithecium orange-brown; hymenium colourless (70 µm), with oil droplets (?); paraphyses +- simple; hypothecium colourless; asci 8-spored; ascospores 1-septate; lemon-shaped (13.3 - 15.4 x 6.6 - 9.8 µm); septum > 3 µm; photobiont chlorococcoid. Thallus and apothecia K+ red. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Variospora fuerteventurae * van den Boom & Etayo (306) On volcanic rocks. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Variospora fuerteventurae van den Boom & Etayo (306) On volcanic rocks. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Variospora fuerteventurae van den Boom & Etayo (306) On volcanic rocks. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Variospora fuerteventurae van den Boom & Etayo (306) On volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Variospora fuerteventurae van den Boom & Etayo (331) On volcanic rocks. Thallus placodioid; lobes convex, pruinose; apothecia up to 1 mm diam.; +- confined to the center; disc flat; margin paler than disc; epithecium orange; hymenium colourless (60 µm), with oil droplets (?); paraphyses +- simple; hypothecium colourless; asci 8-spored (50 µm); ascospores 1-septate; lemon-shaped (15.8 - 17.9 x 7.0 - 8.1 µm); septum 2.1-2.8 µm; photobiont chlorococcoid. Thallus K+ light purple; apothecia K+ red. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Variospora fuerteventurae van den Boom & Etayo (331) On volcanic rocks. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Variospora fuerteventurae van den Boom & Etayo (331) On volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Variospora fuerteventurae van den Boom & Etayo (432) Saxicolous, on volcanic rocks. Thallus placodioid; lobes closely appressed, convex (V. aurantia has flat lobes); lobe-ends +- palmate, faintly pruinose (difference to V. thallincola); upper surface matt; centre areolate; apothecia up to 1.3 mm diam; disc dark orange; margin paler (concolorous with thallus); epithecium brown; hymenium colourless (70 µm); hypothecium colourless; asci 8-spored; ascospores colourless, polarilocular, lemon-shaped, 1-septate, 9.1-14 x 6.3-9.1 µm; photobiont trebouxioide. Thallus and apothecia K+ red. E; Canary Islands; La Gomera-NW; nnw of Vallehermoso; n of the Ermita de Coromoto; surroundings of Chijere. |
|
Variospora fuerteventurae van den Boom & Etayo (432) Saxicolous, on volcanic rocks. E; Canary Islands; La Gomera-NW; nnw of Vallehermoso; n of the Ermita de Coromoto; surroundings of Chijere
|
|
Variospora fuerteventurae van den Boom & Etayo (432) Saxicolous, on volcanic rocks. E; Canary Islands; La Gomera-NW; nnw of Vallehermoso; n of the Ermita de Coromoto; surroundings of Chijere
|
|
Variospora fuerteventurae van den Boom & Etayo (432) Saxicolous, on volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-NW; nnw of Vallehermoso; n of the Ermita de Coromoto; surroundings of Chijere
|
|
Variospora fuerteventurae van den Boom & Etayo (432) Saxicolous, on volcanic rocks. Thallus placodioid-areolate; lobes closely appressed, convex (V. aurantia has flat lobes), apruinose; upper surface matt; centre areolate; apothecia up to 1.3 mm diam; disc dark orange; margin paler (concolorous with thallus); epithecium brown; hymenium colourless (100 µm); hypothecium colourless; asci 8-spored; ascospores colourless, polarilocular, lemon-shaped, 1-septate, 14.0-14.7 x 6.3-8.8 µm; septum 0.7-3.0 µm ;photobiont trebouxioide. Thallus and apothecia K+ red. E; Canary Islands; La Gomera-NW; nnw of Vallehermoso; n of the Ermita de Coromoto; surroundings of Chijere. |
|
Variospora fuerteventurae van den Boom & Etayo (432) Saxicolous, on volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-NW; nnw of Vallehermoso; n of the Ermita de Coromoto; surroundings of Chijere |
|
Variospora fuerteventurae van den Boom & Etayo (465) Saxicolous; on volcanic rocks. Thallus placodioid, but areolate in the center; lobes convex; apothecia up to 1 mm diam.; +- confined to the center; disc flat, later convex; margin paler than disc, later disapperaring; epithecium orange-brown; hymenium colourless; hypothecium colourless; asci 8-spored; ascospores 1-septate; lemon-shaped (13.3 -15.8 x 3.9 - 7.0 µm); septum 0.8-1.2 µm; photobiont chlorococcoid. Thallus and apothecia K+ red. E; Canary Islands; La Gomera-MS; se of Imada: El Azadoe. |
|
Variospora fuerteventurae van den Boom & Etayo (465) Saxicolous; on volcanic rocks. E; Canary Islands; La Gomera-MS; se of Imada: El Azadoe. |
|
Variospora fuerteventurae van den Boom & Etayo (465) Saxicolous; on volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-MS; se of Imada: El Azadoe. |
|
Xalocoa ocellata (Vill.) Kraichak, Lücking & Lumbsch (21). (syn. Diploschistes ocellatus var. almeriensis Llimona). On weathered volcanic rocks. Thallus pale grey-brown (but looking grey-whitish because of a thick epinekral layer), consisting auf subglobose verrucae; 1-3 pycnidia arising on the tips of verrucae; ostioles black, surrounded by a yellowish area; conidia bacilliform, up to 6 µm long; apothecia usually existing (but missing here); photobiont chlorococcoid. Thallus K+ red, with crystal needles; C-, Pd+ orange. E; Canary Islands; La Gomera-MS; nnw of Santiago; hiking path between Guarimiar and Targa. |
|
Xalocoa ocellata (Vill.) Kraichak, Lücking & Lumbsch (21). On weathered volcanic rocks. E; Canary Islands; La Gomera-MS; nnw of Santiago; hiking path between Guarimiar and Targa. |
|
Xalocoa ocellata (Vill.) Kraichak, Lücking & Lumbsch (21). On weathered volcanic rocks. E; Canary Islands; La Gomera-MS; nnw of Santiago; hiking path between Guarimiar and Targa. |
|
Xalocoa ocellata (Vill.) Kraichak, Lücking & Lumbsch (21). On weathered volcanic rocks. Application with K and Pd. E; Canary Islands; La Gomera-MS; nnw of Santiago; hiking path between Guarimiar and Targa. |
|
Xalocoa ocellata (Vill.) Kraichak, Lücking & Lumbsch (21). On weathered volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-MS; nnw of Santiago; hiking path between Guarimiar and Targa. |
|
Xanthocarpia crenulatella (Nyl.) Frödén, Arup & Søchting (277) (Calolplaca c.) On nutrient-enriched volcanic rocks. Thallus yellowish, crustose-areolate; apothecia (- 0.5 mm diam.); disc orange,+- flat; proper margin surrounded by a thalline rim; paraphyses unbranched, with 2 swollen tip cells; epithecium orange-brown; hymenium colourless (56 µm); hypothecium colourless; ascospores polarilocular (11.2 - 14.7 x 7.0 - 8.8 µm); septum 2.8-3.5 µm. All parts K+ red. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
|
Xanthoc. crenulatella (Nyl.) Frödén, Arup & Søchting (277) On nutrient-enriched volcanic rocks. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
|
Xanthoc. crenulatella (Nyl.) Frödén, Arup & Søchting (277) On nutrient-enriched volcanic rocks. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
|
Xanthoc. crenulatella (Nyl.) Frödén, Arup & Søchting (277) On nutrient-enriched volcanic rocks. Microscopic details. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
|
Xanthocarpia spec. (557) Saxicol: on calcareous rocks. Thallus consisting of whitish granules; apothecia scattered, up to 0.3 mm diam.; disc plane, covered with an orange pruina; proper margin concolorous, persistent; epithecium brown-orange; hymenium colourless (60-70 µm), hypothecium colourless; asci 8-spored (50 µm); ascospores, polarilocular, colourless to brown (when old?), 11.2-14.4 x 6.7-9.8 µm; septum narrow; photobiont chlorococcoid. Ap. K+ red. (This all goes well with Xanthocarpia lactea, but the thick, white thallus is contradictory. Presumably it's a new species). E; Canary Islands; La Gomera-MW; sw of Arure: hiking path to Taguluche. New to La Gomera. |
|
Xanthocarpia spec. (557) Saxicol: on calcareous rocks. E; Canary Islands; La Gomera-MW; sw of Arure: hiking path to Taguluche. New to La Gomera. |
|
Xanthocarpia spec. (557) Saxicol: on calcareous rocks. Microscopic details. E; Canary Islands; La Gomera-MW; sw of Arure: hiking path to Taguluche. New to La Gomera. |
|
Xanthoparmelia conspersa (Ach.) Hale (326) On volcanic rocks. Thallus up to 10 cm diam., rosette-forming, closely adpressed to the substratum; lobes up to 2 cm wide; upper surface with cylindrical and simple to coralloid isidia (the isidia of the very similar X. tinctina are globose); apothecia up to 0.8 cm diam.; disc concave; thalline margin smooth, bent over the disc. (The very similar X. stenophylla is not isidiate). E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Xanthoparmelia conspersa (Ach.) Hale (326) On volcanic rocks. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Xanthoparmelia conspersa (Ach.) Hale (326) On volcanic rocks. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Xanthoparmelia conspersa (Ach.) Hale (326) On volcanic rocks. Isidia cylindrical to coralloid. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Xanthoparmelia loxodes * (Nyl.) (267) On volcanic rocks. Lobes shiny, smooth to wrinkled transversally near the center, with coars, cauliflower-like warts (isidia) on the upper surface; isidia hollow, up to 0.4 mm diam.; lower side black (brown at the margin), with black and simple rhizines; isidia soralia absent. X. verruculifera is similar but isidia solid and smaller. Medulla: K-, C-, KC+- yellow-orange (X. verruculifera KC+ pink). E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
|
Xanthoparmelia loxodes (Nyl.) (267) On volcanic rocks. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
|
Xanthoparmelia loxodes (Nyl.) (267) On volcanic rocks. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
|
Xanthoparmelia loxodes (Nyl.) (267) On volcanic rocks. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
|
Xanthoparmelia loxodes (Nyl.) (267) On volcanic rocks. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
|
Xanthoparmelia loxodes * (Nyl.) (378) On volcanic rocks. E; Canary Islands; La Gomera-NW; n of the Bar Epina: n of the large antenna (footpath to Ermita St. Clara). |
|
Xanthoparmelia loxodes (Nyl.) (378) On volcanic rocks. E; Canary Islands; La Gomera-NW; n of the Bar Epina: n of the large antenna (footpath to Ermita St. Clara). |
|
Xanthoparmelia loxodes (Nyl.) (378) On volcanic rocks. E; Canary Islands; La Gomera-NW; n of the Bar Epina: n of the large antenna (footpath to Ermita St. Clara). |
|
Xanthoparmelia pulla (Ach.) Blanco et al. (190319) On warm, well-lit silicatic rocks. Lobes shiny, smooth to wrinkled transversally near the center; lower side black (brown at the margin), with black rhizines; isidia and soralia absent; apothecia usually present, disc concave to flat, margin smooth. P. verruculifera is similar but isidia present and apothecia absent. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
|
Xanthoparmelia stenophylla * (Ach.) Ahti & Hawksw. (268) On warm, well-lit silicatic rocks. Thallus yellow-green to yellow-grey; lobes up to 3 mm wide, +- shiny; no isidia (difference to the similar X. conspersa); no soralia; lower side brown; apothecia - 1.5 mm diam; disc brown; margin thin; often with black pycnidia (see lower photos). Medulla K+ orange --> red, C-, Pd+ orange. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
|
Xanthoparmelia stenophylla * (Ach.) Ahti & Hawksw. (268) On warm, well-lit silicatic rocks. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
|
Xanthoparmelia stenophylla (Ach.) Ahti & Hawksw. (268) On warm, well-lit silicatic rocks. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
|
Xanthoparmelia stenophylla (Ach.) Ahti & Hawksw. (268) On warm, well-lit silicatic rocks. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
|
Xanthoparmelia stenophylla * (Ach.) Ahti & Hawksw. (379) On volcanic rocks. E; Canary Islands; La Gomera-NW; n of the Bar Epina: n of the large antenna (footpath to Ermita St. Clara). |
|
Xanthoparmelia stenophylla (Ach.) Ahti & Hawksw. (379) On volcanic rocks. E; Canary Islands; La Gomera-NW; n of the Bar Epina: n of the large antenna (footpath to Ermita St. Clara). |
|
Xanthoparmelia stenophylla (Ach.) Ahti & Hawksw. (379) On volcanic rocks. E; Canary Islands; La Gomera-NW; n of the Bar Epina: n of the large antenna (footpath to Ermita St. Clara). |
|
Xanthoparmelia verruculifera (Nyl.) Blanco et al. (296) On volcanic rocks. Lobes deeply incised, shiny (mainly at the tips), lobe ends flat, center wrinkled; whith scattered, coarse isidia (solid and clustered). Medulla KC+ pink. X. loxodes is very similar but has hollow isidia and the medulla is KC- or KC+ orange-red; resembles also to X. pulla but this species has no isidia. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Xanthoparmelia verruculifera (Nyl.) Blanco et al. (296) On volcanic rocks. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Xanthoparmelia verruculifera (Nyl.) Blanco et al. (296) On volcanic rocks. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Xanthoparmelia verruculifera (Nyl.) Blanco et al. (296) On volcanic rocks. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Xanthoparmelia verruculifera (Nyl.) Blanco et al. (296) On volcanic rocks. E; Canary Islands; La Gomera-MW; nnw of Arure: hiking path to Alojera. |
|
Xanthoparmelia verruculifera (Nyl.) Blanco et al. (327) On volcanic rocks. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Xanthoparmelia verruculifera (Nyl.) Blanco et al. (327) On volcanic rocks. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Xanthoparmelia verruculifera (Nyl.) Blanco et al. (327) On volcanic rocks. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Xanthoparmelia verruculifera (Nyl.) Blanco et al. (483) On volcanic rocks. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Xanthoparmelia verruculifera (Nyl.) Blanco et al. (483) On volcanic rocks. E; Canary Islands; La Gomera-NW; se of Vallehermoso: El Tion. |
|
Xanthoria aureola * (Ach.) Erichsen (190317) On volcanic rocks. Reminds on Xanthoria parietina but differs by the narrower (up to 2 mm wide), strap-like, often overlapping lobes and the mostly missing apothecia. Cortex K+ red. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
|
Xanthoria calcicola * Oxner (24) On volcanic rocks. Like Xanthoria parietina but differs by the existence of knobby, irregularly globose or lobule-like isidia (often obscuring the center of the thallus) and the mostly missing apothecia. Cortex K+ red. E; Canary Islands; La Gomera-MS; e of Imada: El Azadoe. |
|
Xanthoria calcicola * Oxner (24) On volcanic rocks. E; Canary Islands; La Gomera-MS; e of Imada: El Azadoe. |
|
Xanthoria calcicola Oxner (24) On volcanic rocks. E; Canary Islands; La Gomera-MS; e of Imada: El Azadoe. |
|
Xanthoria calcicola Oxner (269) On volcanic rocks. Like X. parietina but the centre of the yellow-dark orange thallus is packed with coarse, granular-shaped outgrowths (isidia); apothecia +- stalked; disc strongly concave to urceolate; thalline margin involute, crenate to squamulose. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
|
Xanthoria calcicola Oxner (269) On volcanic rocks. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
|
Xanthoria calcicola Oxner (269) On volcanic rocks. E; Canary Islands; La Gomera-MSW; ese of Chipude: hiking path between Fortaleza and Igualero; se of the little brook. |
|
Xanthoria calcicola Oxner * (431) Saxicolous, on volcanic rocks. Thallus covered by (few) isidia. E; Canary Islands; La Gomera-NW; nnw of Vallehermoso; n of the Ermita de Coromoto; surroundings of Chijere. |
|
Xanthoria calcicola Oxner * (431) Saxicolous, on volcanic rocks. Thallus covered by (few) isidia. E; Canary Islands; La Gomera-NW; nnw of Vallehermoso; n of the Ermita de Coromoto; surroundings of Chijere. |
|
Xanthoria calcicola Oxner (431) Saxicolous, on volcanic rocks. Thallus covered by isidia. E; Canary Islands; La Gomera-NW; nnw of Vallehermoso; n of the Ermita de Coromoto; surroundings of Chijere. |
|
Xanthoria calcicola Oxner (431) Saxicolous, on volcanic rocks. Thallus covered by isidia. E; Canary Islands; La Gomera-NW; nnw of Vallehermoso; n of the Ermita de Coromoto; surroundings of Chijere. |
|
Xanthoria calcicola Oxner (431) Saxicolous, on volcanic rocks. Thallus lacking isidia. Some specimen differ from the original type by the lack of isidia (even though the beginning of minute folioles towards thallus center may be observed; see this photo and the next --> resembles X. aurea). E; Canary Islands; La Gomera-NW; nnw of Vallehermoso; n of the Ermita de Coromoto; surroundings of Chijere.
|
|
Xanthoria calcicola Oxner (431) Saxicolous, on volcanic rocks. Thallus lacking isidia. E; Canary Islands; La Gomera-NW; nnw of Vallehermoso; n of the Ermita de Coromoto; surroundings of Chijere. |
|
Xanthoria resendei * Poelt & Tav. (180406) On basaltic rocks. Thallus cartilaginous, orange with conspicuous yellowish maculae; lobes elongate, markedly convex, not overlapping. E; Canary Islands; La Gomera-NW; n of the Bar Epina: hiking path between the large antenna and Ermita Santa Clara. |
|
Xanthoria resendei * Poelt & Tav. (180406) On basaltic rocks. Thallus cartilaginous, orange with conspicuous yellowish maculae; lobes elongate, markedly convex, not overlapping. E; Canary Islands; La Gomera-NW; n of the Bar Epina: hiking path between the large antenna and Ermita Santa Clara. |
|
Xanthoria resendei * Poelt & Tav. (220313) On basaltic rocks. Thallus cartilaginous, orange with conspicuous yellowish maculae; lobes elongate, markedly convex, not overlapping. E; Canary Islands; La Gomera-NW; n of the Bar Epina: hiking path between the large antenna and Ermita Santa Clara. (The same specimen ... four years older).
|
|
|