|
Abrothallus welwitschii Mont. ex Tul. Parasitic on lobes of different Sticta species. Apothecia between the coralloid isidia of the host thallus (Sticta fuliginosa or S. sylvatica), 0.2-0.4 mm diam.; disc plane to convex, black but often covered by a greenish pruina. Portugal: Madeira. (Coll/ident: Eichler/Cezanne). |
|
Absconditella delutula (Nyl.) Coppins & Kilias Usually on rocks, but in this case on dead wood (Pinus sylvestris). Thallus inconspicuous; apothecia tiny. spores 2-celled (the spores of A. lignicola are 4-celled). Central Europe; Germany: Hesse. (Coll:Wernicke, ident: Eichler/Cezanne). |
|
Absconditella delutula (Nyl.) Coppins & Kilias On Pinus sylvestris. Microscopic details. Central Europe; Germany: Hesse. (Coll:Wernicke, ident: Eichler/Cezanne). |
|
Absconditella lignicola Vezda & Pisut Lignicol; on a dead trunk of Pinus sylvestris. Thallus crustose; apothecia whitish, very tiny; spores 4-celled (difference to A. delutula). Central Europe; Germany: Hesse. (Coll/ident: Eichler & Cezanne). |
|
Acarospora badiofusca (Nyl.) Th. Fr. On rocks (gneiss). Thallus consisting of small, ±rounded reddish brown areoles; apothecia rounded, sessile (usually one per areole), margin elevated, concolorous with the black disc, entire. Thallus no spot reactions. Austria: Alps. |
|
Acarospora fuscata (Schrad.) Th. Fr. On siliceous rocks (Grauwacke) and Basalt (lower image). Thallus areolate; areoles uneven, raised at the edges; apothecia up to 1 mm diam., immersed, one to several per areole, disc darker than the thallus (from brown to black). Thallus K-, C+ red, KC+ red; Pd-. Central Europe; Germany; Hesse. |
|
Acarospora interrupta (Ehrenb.) Vain. On calcareous rocks. Thallus consisting of brown squamules with whitish (pruinose) margins. Iran (Identified by H. Sipman). |
|
Acarospora lavicola J. Steiner On basaltic rocks in dry and sunny environments. Thallus with yellow areoles, 1 mm in diameter; apothecia imbedded in the areoles (0.3 mm in diameter); more than 100 spores per ascus (5 x 3 µm), not septated, colourless. Portugal: Madeira. Spain, Canary Islands: La Gomera. |
|
Acarospora macrospora (Hepp) Massal. ex Bagl. On a roof tile. Thallus consisting of squamules or areoles; apothecia one or two per areole (0.5-1 mm diam.), immersed; disc plane, darker than thallus. No spot reactions. Central Europe; Germany: Hesse. (Collected by M. Henze). |
|
Acarospora moenium Vain. Räsänen On devonian calcareous rocks. Thallus consisting of black soralia on the lower side of beige to pale brown peltate squamules, 0.2-1 mm diam. (with a white pruina on the surface); soredia granular, often covering the rock (without a squamule above). No spot reactions. Central Europe; Germany: Hesse. (Collected by U. Windisch).
|
|
Acarospora moenium Vain. Räsänen On devonian calcareous rocks. Central Europe; Germany: Hesse. (Collected by U. Windisch). |
|
Acarospora socialis H. Magn. On siliceous rocks. Thallus consisting of scatterd or contiguous areoles, sometimes slightly pruinose (see lower image); apothecia immersed in the areoles, discs brownish, occasionally broken up and with thallus-colored, sterile tissues; apothecial margins also thallus-colored. Spot reactions negative. USA; California: Joshua Tree National Park. |
|
Acarospora socialis H. Magn. |
|
Acarospora spec. On basaltic rocks. Thallus consisting of olive-green areoles. Spain; Canary Islands: La Gomera. |
|
Acarospora spec. Apothecia one or two per areole; deeply immersed in the areoles; disc dark brown to blackish; thalline margin covered with a whitish pruina. |
|
Acarospora spec. Epithecium dark green; covered with coarse granules. |
|
Acarospora spec. Asci clavate. |
|
Acarospora spec. Epithecial granules reflecting in polarized light. |
|
Acarospora sulphurata (Arnold) Arnold On volcanic rocks. Thallus consisting of yellow areoles (without marginal squamules); medulla whitish; more than one apothecium per areole; apothecial disc ±flat, yellow-brown (darker than apothecial margin); many small spores per ascus. Cortex K-. Spain; Canary Islands: La Gomera (Tequerguenche). First finding for the Canary Islands. |
|
Acrocordia gemmata (Ach.) Massal. Thallus with black, semiglobose perithecia (0.5-1 mm diam.). No spot reactions. Central Europe; Germany: Hesse. |
|
Agonimia opuntiella (Buschardt & Poelt) Vezda Syn. Physcia o. On calcareous soil, between mosses. Thallus consisting of very small squamules, covered with "cilia" (resembling to Opuntia). Central Europe; Germany: Hesse. 150 m above sea level. (Coll/ident: Eichler/Cezanne). |
|
Alectoria ochroleuca (Hoffm.) Massal. On alpine meadows. Thallus ±erect (A. sarmentosa is decumbent), up to 10 cm, yellowish-greenish (A. nigricans is darker); pseudocyphellae present. Cortex KC+ yellow (A. nigricans is KC+ red, A. sarmentosa KC- or KC+ red). Iceland. Austria: Alps. |
|
Alectoria ochroleuca (Hoffm.) Massal. |
|
Alectoria sarmentosa (Ach.) Ach. On twigs of Erica arborea. Thallus decumbent, yellow to black Pseudocyphellae fusiform. Cortex no spot reactions; medulla KC- or red. Portugal: Madeira. |
|
Alyxoria ochrocheila (Nyl.) Ertzs & Tehler On Fraxinus excelsior. Thallus inconspicuous; apothecia up to 2.5 x 0.4 mm, simple or moderately branched; disc covered withe an orange to curry pruina; excipulum u-shaped; ascospores colourless, 3-septate (16-21 x 5-7 µm). Pruina K+ dusky pink, diffusing out into the surrounding thallus (see lowest photo). Photobiont: Trentepohlia. Central Europe; Germany; North Rine Westphalia: Eifel. Coll. M. Schwarz; ident. Wirth/Kirschbaum.
|
|
Alyxoria ochrocheila (Nyl.) Ertzs & Tehler Central Europe; Germany; Rheinland-Pfalz: Eifel. |
|
Alyxoria ochrocheila (Nyl.) Ertzs & Tehler Central Europe; Germany; Rheinland-Pfalz: Eifel. |
|
Alyxoria ochrocheila (Nyl.) Ertzs & Tehler Microscopic information. Central Europe; Germany; Rheinland-Pfalz: Eifel. |
|
Alyxoria ochrocheila (Nyl.) Ertzs & Tehler Spot reaction. Central Europe; Germany; Rheinland-Pfalz: Eifel. |
|
Alyxoria varia (Pers.) Ertz & Tehler On Fagus sylvatica (wounded bark) and Populus spec. (lower image). Thallus thin, grey-brown; apothecia elongate, sometimes branched; disc variable, exposed with age. No spot reactions. Central Europe; Germany: Hesse. (Coll/ident: Eichler/Cezanne). |
|
Alyxoria varia (Pers.) Ertz & Tehler |
|
Alyxoria varia (Pers.) Ertz & Tehler (syn. Opegrapha varia (Pers.)) Corticol; on a deciduous tree. Thallus thin, grey-brown; apothecia elongate (-0.8 x 0.2 mm), sometimes branched; disc variable, slit not exposed, without pruina (apothecia young?); true exciple black, continuous under hypothecium; hymenium colourless; hypothecium brown; asci 8-spored; ascospores colourless, 5 to 6-septate, somewhat clavate, middle cells enlaged, ends rounded (18.2 - 24.5 x (3.5) 4.5 - 7.0 µm); pycnidia not seen; photobiont Trentepohlia. Central Europe; Germany: Hesse. (Coll: Celina Parsons). |
|
Alyxoria varia (Pers.) Ertz & Tehler Microscopic details. Central Europe; Germany: Hesse. (Coll: Celina Parsons). |
|
Alyxoria varia (Pers.) Ertz & Tehler Corticol; on Malus domestica. Thallus thin, grey-brown; apothecia elongate, sometimes branched; disc variable, slit not exposed, with a greenish pruina ; true exciple black, continuous under hypothecium; hymenium colourless; hypothecium brown; asci 8-spored; ascospores colourless, up to 7-septate, sometimes bent, middle cells enlaged, ends rounded (21.0 - 25.2 x 4.6 - 7.0 µm); photobiont Trentepohlia. Central Europe; Germany: Bavaria. (Coll: Ute Windisch). |
|
Alyxoria varia (Pers.) Ertz & Tehler Corticol; on Malus domestica. Central Europe; Germany: Bavaria. (Coll: Ute Windisch). |
|
Alyxoria varia (Pers.) Ertz & Tehler Corticol; on Malus domestica. Central Europe; Germany: Bavaria. (Coll: Ute Windisch). |
|
Alyxoria varia (Pers.) Ertz & Tehler Corticol; on Malus domestica. Microscopic details. Central Europe; Germany: Bavaria. (Coll: Ute Windisch). |
|
Amandinea punctata (Hoffm.) Coppins & Scheidegger Corticolous: On barks of deciduous trees. Thallus green-grey, thick, warted or areolate, without soralia; apothecia black, convex, young with indistinct margins; spores brown, 1-septate (difference to Lecidella elaeochroma). Thallus K-. Central Europe; common. |
|
Anaptychia ciliaris (L.) Körber Corticolous; on bark of deciduous trees. Lobes tomentose, long, narrow (up to 2.5 mm wide), widening at the ends; with long, marginal cilia; lower surface concave, white (upper surface: grey to brownish); apothecia on short stalks, discs black, pruinose. Spot reactions negative. Central Europe; rare because of air pollution. |
|
Anaptychia ciliaris (L.) Körber |
|
Anisomeridium polypori (Ellis & Everh.) Barr. On eutrophicated, rough bark of deciduous trees. Thallus inconspicuous, whitish to pale green; perithecia not seen; always with conical, black pycnidia. At he tips of the pycnidia white packets of conidia are extruded (see image). No spot reactions. Central Europe; Germany: Hesse. |
|
Arthonia cinnabarina (DC.) Wallr. On smooth bark of deciduous trees. Thallus pale grey to fawn or dull orange (with Trentepohlia); apothecia rounded to stellate, disc whitish pruinose, rim with a cinnabar pruina (often disapperaring with age). No spot reactions. Central Europe; Germany: Hesse. (Coll/ident: Eichler/Cezanne). |
|
Arthonia didyma Körb. On smooth bark of deciduous trees. Thallus olive-grey to fawn; apothecia irregularely rounded; ascospores 1-septate, colourless becoming brown with age. No spot reactions. Central Europe: Germany. |
|
Arthonia punctiformis Ach. On smooth bark of deciduous trees (Acer pseudoplatanus). Thallus inconspicuous (with Trentepohlia); apothecia irregularely rounded to elliptical. No spot reactions. Central Europe; Germany; Hesse: Rhön mountains. (Collected/identified by Teuber). |
|
Arthonia radiata (Pers.) Ach. (with Pertusaria leioplaca: Upper image, lower side). Corticolous, on smooth barked trees. Thallus grey to brown, with a black prothallus; apothecia common, irregular or ±stellate; spores 3-septate. Colour reactions negative. Central Europe; Germany: Hesse. |
|
Arthonia radiata (Pers.) Ach. Central Europe; Germany: Hesse. |
|
Arthonia radiata (Pers.) Ach. Corticolous; on young branches of Fagus sylvatica. Central Europe; Germany; Baden-Württ.: Black forest (Coll. M. Henze).
|
|
Arthonia radiata (Pers.) Ach. Corticolous; on young branches of Fagus sylvatica. Microscopic details. Central Europe; Germany; Baden-Württ.: Black forest (Coll. M. Henze). |
|
Arthonia ruana Massal. Corticolous; on Fraxinus excelsior. Thallus grey-white to brownish; delimited by a brown line; photobiont Trentepohlia; apotecia irregulary rounded to slightly stellate (up to 2 mm diam.); disc black, not pruinose; ascospores muriform (see lowest photo): Spot reactions negative. Central Europe; Germany; Hesse: Taunus (Wispertal). |
|
Arthonia ruana Massal. Corticolous; on Fraxinus excelsior. Central Europe; Germany; Hesse: Taunus (Wispertal). |
|
Arthonia ruana Massal. Corticolous; on Fraxinus excelsior. Microscopic details. Central Europe; Germany; Hesse: Taunus (Wispertal). |
|
Arthonia spadicea Leight. On the base of deciduous trees. Thallus inconspicuous, dark green-brown (with Trentepohlia); apothecia rounded, dark red to blackish-brown. No spot reactions. Central Europe: Germany. (Coll/ident: Eichler/Cezanne). |
|
Arthonia vinosa Leight. On bark of conifers (and oak trees). Thallus orange-yellow, often with dark orange patches (with Trentepohlia); apothecia irregularely rounded, orange to dark brown. Apothecia and orange patches K+ purple. Central Europe: Germany. (Coll/ident: Eichler/Cezanne). |
|
Arthothelium ruanum (Massal.) Körber Corticol; on bark of Fraxinus excelsior (young). Thallus yellow-olive (with Trentepohlia), delimited by a brown line; apothecia irregularly stellate to rounded; margin inconspicuous; spores muriform, 14 X 7 µm. Central Europe; Germany. |
|
Aspicilia cinerea (L.) Koerb. On silicatic rocks. Thallus grey, cracked-areolated; apothecia immersed, sitting in the centre of an areole; disc black, flat; thallin margin not disappearing with age. Thallus K+ red, Pd+ orange. Sweden: Värmland. |
|
Aspicilia desertorum (doubtful) On calcareous rocks. Thallus consisting of fawn areoles. One (or more) apothecia per areole; disc pruinose. Kurdish part of Iran. (Identified by H. Sipman). |
|
Aspicilia farinosa (doubtful) On calcareous rocks. Kurdish region of Iran. (Identified by H. Sipman). |
|
Aspicilia moenium (Vainio) Thor & Timdal On concrete walls. Thallus with dark brown to blackish soralia on the lower side of squamules; squamules curved upwards, grey to olive, covered with a white pruina. No spot reactions. Central Europe; Germany: Hesse. |
|
Aspicilia tibetica Sohrabi & Owe-Larsson syn. Teuvoa tibetica (Sohrabi & Owe-Larsson) Sohrabi Tibet. (Identified by H. Sipman) |