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Pannaria conoplea (Ach.) Bory Corticolous; on bark of deciduous trees. Thallus blue-grey; lobes elongate, incised; margins ascending, whith granular, sorediate, isidia (older specimen can be covered almost completely by them); often with a black conspicuous hypothallus; lower surface dark and tomentose; apothecia rare, margins isidiate. Thallus K-, C-, Pd+ orange. Austria: Alps. |
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Pannaria pezizoides (Web.) Trev. On soil. Thallus grey; squamules inconspicuous (crusty); usually fertile; apothecial disc orange; margin crenulate, of the same colour as the thallus. Spot reactions negative. Portugal: Madeira. |
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Pannaria pezizoides (Web.) Trev. On soil. Portugal: Madeira.
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Pannaria rubiginosa (Ach.) Bory Corticolous; on deciduous trees. Thallus rosette-forming; squamules grey (bluish grey when wet), deeply incised; margins ascending and paler; usually fertile; apothecial disc reddish-brownish; margins crenulate. Thallus K-, C-, Pd+ orange. Portugal: Madeira. |
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Pannaria rubiginosa (Ach.) Bory
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Pannaria rubiginosa (Ach.) Bory (wet)
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Pannaria saubinetii (Mont.) Nyl On Laurus spec.; in humid environment (Laurisilva). Thallus consisting of small squamules (< 1 mm), adpressed and incised, without soralia and isidia; prothallus black; usually fertile; apothecial margin biatorine (paler than the disc). No spot reactions. Portugal: Madeira. |
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Pannaria saubinetii (Mont.) Nyl
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Pannaria tavaresii P.M. Jørg. syn. P. rubiginosa var. isidiosa. On volcanic rocks. Thallus foliose, rosette-forming (2-3 cm diameter); upper side whitish-bluish-grey; lobes 3-4 mm wide (broadest apical), deeply incised, concave; margins paler , ascending; isidia marginal, finger-like; apothecia up to 1 mm in diameter, discs red-brown, margins granulate to isidiate, of the same colour as the thallus. Thallus Pd+ orange. Spain; Canary Islands; La Gomera. (700 m above sea level). |
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Pannaria tavaresii P.M. Jørg. |
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Paranectria oropensis (Ces.) Hawksw. & Piroz. Lichenicolous fungus on Candelariella spec. Consisting of a white felt producing perithecia; perithecia globose (up to 0,15 mm diam.); ostiole darke orange. Central Europe; Germany: Hesse.
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Paraparmelia usitata (Brusse) Elix On sandstone. Namibia: Waterberg region. (Ident: V. Wirth). |
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Paraparmelia usitata (Brusse) Elix
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Parmelia ernstiae Feuerer & Thell Corticolous; on deciduous trees. Lobes ridged; surface strongly pruinose; lobulae common; pseudocyphella forming a reticulate net (mainly near the tips); isidia cylindrical to coralloid, pruinose. Cortex K+ yellow; medulla K+ yellow becoming orange to red, P+ yellow and then orange-red. The very similar Parmelia saxatilis grows on rocks, has no lobulae and is not (or weakly)pruinose. Distincted from P. sulcata and P. omphalodes by the presence of isidia. Central Europe; Germany: Hesse. |
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Parmelia ernstiae Feuerer & Thell Corticolous; on deciduous trees. Pruina. Central Europe; Germany: Hesse. |
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Parmelia omphalodes (L.) Ach. Corticolous; on deciduous trees (Laurisilva). Lobes brown, with a purple tinge, reticulate (white lines); isidia and soralia absent; lower surface black with simple or furcate rhizines growing to the margins; apothecia not common.Medulla K+ yellow-red; P+ orange. Portugal: Madeira. |
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Parmelia saxatilis (L.) Ach. Corticolous and on rocks; common. Lobes ridged; pseudocyphella forming a reticulate net (mainly near the tips); isidia cylindrical to coralloid, sometimes covering the whole center. Cortex K+ yellow; medulla K+ yellow becoming orange to red, P+ yellow and then orange-red The very similar P. ernstiae is lobulate, strongly pruinose and corticolous. Distincted from P. sulcata and P. omphalodes by the presence of isidia. Central Europe; Germany; Hesse. |
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>Parmelia saxatilis (L.) Ach.
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Parmelia sulcata Taylor Corticolous; on deciduous trees (sometimes saxicolous); very common. Upper surface glaucous grey, with an coarse white reticulum, developping to green-grey soralia (mainly in the center of the thallus); lobe ends brownish; lower surface black, with numerous rhizines; medulla and soralia K+ orange-red, P+ orange. Distincted from P. saxatlis by the lack of isidia and from P. omphalodes by the grey colour (the latter is brown). Central Europe. |
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Parmelia sulcata Taylor
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Parmeliella testacea Jörg. Corticolous; on deciduous trees (laurisilva). Thallus squamulose with (usually) marginal soredia, knob-like, later forming a cracked surface covered with blue-grey granules. No spot reactions. Portugal: Madeira. |
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Parmeliella triptophylla (Ach.) Müll. Arg. (Initial stadium). On Alnus glutinosa. Central Europe; Austria: Vorarlberg. (Identified by Eichler & Cezanne). |
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Parmeliella triptophylla (Ach.) Müll. Arg. (Young stadium). Austria: Alps. |
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Parmeliella triptophylla (Ach.) Müll. Arg. (Adult stadium). Austria: Alps. |
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Parmelina carporrhizans (Taylor) Wirth Corticolous; on freestanding deciduous trees; rare. Thallus adpressed, smooth, ± shiny; apothecia common, lower side oft the margins with black rhizinae. Cortex K+ yellow, medulla C+ red. Austria: Alps. |
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Parmelina carporrhizans (Taylor) Wirth
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Parmelina pastillifera (Harm.) Hale Corticolous; on freestanding deciduous trees; mainly in higher altitudes; rare. Lobes blue-grey, adpressed; soredia absent; isidia knob-like, flat or concave at apices (lower image); apothecia rare. Cortex K+ yellow; medulla C+ red. Very similar to P. tiliacea, but the latter has cylindrical isidia with tapered tips. Austria: Alps. Central Europe. |
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Parmelina pastillifera (Harm.) Hale
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Parmelina tiliacea (Hoffm.) Hale Corticolous; on deciduous trees; ± common. Thallus smooth; lobes rounded; upper surface with globose (when young) to cylindrical or coralloid isidia with brown apices. Medulla K-, C+ red, Pd-. Central Europe; Germany: Hesse. |
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Parmeliopsis ambigua (Wulfen) Nyl. Corticolous; on acid barks; common. Thallus up to 4 cm in diameter; lobes up to 1 mm wide, adpressed, flat; centre lobeless but sorediose; apothecia not seen. No spot reactions (KC ± yellow). The species resembles to Parmelia mougeotii but the latter is P+ orange. Central Europe. |
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Parmeliopsis ambigua (Wulfen) Nyl.
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Parmotrema arnoldii (Du Rietz) Hale Corticolous; on deciduous trees. Thallus grey, loosely attached to the substratum; lobes wavy, margins ascending; marginal soredia globose; with long black cilia on the margins; lower side with simple rhizines (not reaching the margins). Medulla K-, C-, KC+ red, Pd-. France: Jura Mountains. |
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Parmotrema arnoldii (Du Rietz) Hale
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Parmotrema austrosinense (Zahlbr.) Hale On the bark of deciduous trees. Namibia: Waterberg region. (Identified by V. Wirth). |
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Parmotrema crinitum (Ach.) Choisy Corticolous; on deciduous trees (laurisilva). Thallus loosely attached; isidia mainly marginal (also laminal), partly connected with long black cilia (see small image); cilia also on lobe margins; lower side with a broad naked zone towards the margin.Medulla K+ yellow-orange, C-, KC+ yellow-orange, Pd+ yellow-orange. Portugal: Madeira. |
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Parmotrema crinitum (Ach.) Choisy
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Parmotrema perlatum (Huds.) Choisy Corticolous; on deciduous trees (laurisilva). Thallus up to 15 cm in diameter, loosely attached to the substratum only; lobes with ascending, undulate and incised margins, up to 1.5 cm wide; delimited soralia at the margins and tips; lower surface black, brown near the margins; here without rhizines (but sometimes with marginal cilia); apothecia not seen. Cortex K+ yellow; medulla K+ yellow, P+ orange. Portugal: Madeira. Spain; Canary Islands: La Gomera. |
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Parmotrema perlatum (Huds.) Choisy
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Parmotrema reticulatum (Taylor) Choisy Corticolous; on deciduous trees (laurisilva). Upper surface with a faint network of white pseudocyphellae. Soralia mainly at the ends of the lobes. Portugal: Madeira. |
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Parmotrema reticulatum (Taylor) Choisy
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Parmotrema robustum (Degel.) Hale On broad-lobed deciduous trees in shady environments (Laurisilva). Thallus grey; lobes often inrolled, with rounded to globose soralia, usually at the tips of the lobes; margins with (few) black cilia; lower side black, a broad area without rhizinae. Cortex K+ yellow, Pd-; medulla K+ yellow, KC+ red, Pd+ orange. Spain: Canary Islands. Portugal: Madeira. |
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Parmotrema robustum (Degel.) Hale
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Parmotrema stuppeum (Taylor) Hale On basaltic rocks near the coast. Thallus broad-lobed; lobes with marginal or apical soralia and (few) short cilia; soralia globose, becoming ± contiguous. Cortex K+ yellow, C-, Pd+ yellow; medulla K+ yellow --> red, C-, Pd yellow-orange. Portugal: Madeira. |
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Parmotrema tinctorum (Nyl.) Hale On coastal rocks. Thallus thin, loosely attached; lobes up to 2 cm broad, rounded, entire or notched; without cilia; isidia laminal, globose to cylindrical, concolorous, with brownish tips. Cortex K+ yellow; medulla C+ red, Pd+ yellow (!). Portugal: Madeira. |
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Parmotrema tinctorum (Nyl.) Hale
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Peltigera canina (L.) Willd. On soil. Thallus up to 20 cm diam; lobes up to 2.5 cm, covered with a white tomentum (at least marginal); lower side white, with flat veins and multibranched rhizines (see small image); apothecia saddle-shaped, brown. No spot reactions. (The similar P. membranacea has conspicuous veins and the rhizines are unbranched; P. praetextata has flattened isidia along cracks and the margins). Sweden: Värmland. |
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Peltigera collina (Ach.) Schrader On mossy trunks and rocks. Margins ± raised, sorediate (soralia pale grey to bluish). Spot reactions negative. Central Europe. |
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Peltigera collina (Ach.) Schrader Central Europe; Germany; Bavaria: Alps. |
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Peltigera didactila (With.) Laundon (sorediate stadium; young specimen). On south exposed rocks. Thallus consisting of a few lobes, rarely larger than 3 cm diam.; lobes rounded, with ascending margins; when young lobes with pale, laminal soralia (soredia coarse); soralia disappearing with age; then producing apothecia on the tips of erect and narrow lobes. No spot reactions. Central Europe; Germany: Hesse. |
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Peltigera horizontalis (Huds.) Baumg. Terricolous, between mosses; in wet and shaded habitats. Thallus large, grey-brown when dry; lobes up to 2 cm wide; apothecia horizontal, discs flat. No spot reactions. Central Europe; Germany; Baden-Württemberg: Black Forest. |
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Peltigera hymenina (Ach.) Delise ex Duby Terricolous, between mosses; in wet and shaded habitats. Thallus large (up to 15 cm); lobes 1-2 cm wide, margins ascending; apothecia longer than broad. Lower surface with usually delimited, ochraceous veins. No spot reactions. Central Europe; Germany; Baden-Württemberg: Black Forest. |
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Peltigera hymenina (Ach.) Delise ex Duby Terricolous, between mosses; in wet and shaded habitats. Central Europe; Germany: Hesse. |
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Peltigera hymenina (Ach.) Delise ex Duby Terricolous, between mosses; in wet and shaded habitats. Central Europe; Germany: Hesse. |
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Peltigera hymenina (Ach.) Delise ex Duby Terricolous, between mosses; in wet and shaded habitats. Lower surface. Central Europe; Germany: Hesse. |
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Peltigera lepidophora (Nyl. ex Vain.) Bitter On rough soil and mosses over basaltic rocks (diabase). Thallus small (up to 20 mm diam.); lobes small (up to 10 mm wide), concave (shell-like), upper side smooth, with knob-like isidia; veins on the lower side indistinct. No spot reactions. Central Europe; Germany: Hesse. (Coll/ident: Eichler/Cezanne). |
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Peltigera leucophlebia (Nyl.) Gyeln. Amongst mossy rocks. Thallus up to 20 cm diam.; lobes grey-brown when dry, green when wet (it is one of the rare Peltigera species with green photobionts); lobes large, up to 3.5 cm wide; with dark punctiform external cephalodia; lower side with distinct veins. No spot reactions. Sweden: Dalarna. |
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Peltigera malacea (Ach.) Funk On mossy rocks (Basalt). Lower side almost without rhizines and veins; upper side with a fine tometum. No spot reactions. Central Europe; Germany, Hesse: Rhön mountains. |
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Peltigera neckeri (Hepp. ex Müll. Arg. On mossy soils. Thallus up to 15 cm; upper surface of the lobes sparingly pruinose near the margins; lower side black whith dark veins (interstices white); apothecia common with very dark discs.No spot reactions. Portugal: Madeira. |
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Peltigera praetextata (Floerke ex Sommerf.) Zopf On mossy trunks of deciduous trees. Not collected. Upper surface with schizidia (small, flat leaflets, see small photo on the right); schizidia on cracks and at the lobe margins; marginal parts with very small, adpressed hairs; rarely fertile. Spot reactions negative. Central Europe; Gemany; Hesse: Taunus mountains (Wispertal).
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Peltigera praetextata (Floerke ex Sommerf.) Zopf On mossy soils; ± common. Upper surface with schizidia (small, flat leaflets); schizidia on cracks and at the lobe margins; marginal parts with very small, adpressed hairs; rarely fertile. Spot reactions negative. Central Europe; Gemany: Rheinland-Pfalz. (Wet specimen). |
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Peltigera praetextata (Floerke ex Sommerf.) Zopf Central Europe: Germany. |
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Peltigera praetextata (Floerke ex Sommerf.) Zopf
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Peltigera praetextata (Floerke ex Sommerf.) Zopf On mossy soils; ± common. Upper surface with schizidia (small, flat leaflets); schizidia on cracks and at the lobe margins; marginal parts with very small, adpressed hairs; rarely fertile. Spot reactions negative. Central Europe; Gemany: Hesse. |
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Peltigera rufescens (Weiss) Humb. On basaltic rocks and in calcareous environments. Thallus ± rosette-forming, whitish tomentose; lobes in comparison with other Peltigera species small, adpressed; margins rising, crisped; lower surface with flattened veins; rhizines dark towards the center, white near the margins; apothecia not seen. Spot reactions negative. Central Europe: Germany. |
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Peltigera rufescens (Weiss) Humb.
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Peltigera rufescens (Weiss) Humb. (9575) On mossy soil. Upper surface. Central Europe; Germany: Hesse. |
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Peltigera rufescens (Weiss) Humb. (9575) On mossy soil. Lower surface. Central Europe; Germany: Hesse. |
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Peltigera rufescens (Weiss) Humb. (9575) On mossy soil. Lower surface. Central Europe; Germany: Hesse. |
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Peltigera venosa (L.) Hoffm. On calcareous rocks and soils. Thallus often consisting of a single lobe (± rounded). Apothecia marginal, horizontal. Central Europe; Germany: Hesse. (Collected by Dillenius; 1715!). |
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Peltigera venosa (L.) Hoffm. (Collected by Dillenius; 1715!). |
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Pertusaria albescens (Hudson) Choiy & Werner Corticolous; on deciduous trees; not very common. Thallus often zoned; soralia large and marginate (resembling to apothecia); without color reactions. Central Europe: Germany. |
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Pertusaria albescens (Hudson) Choiy & Werner
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Pertusaria albescens (Hudson) Choiy & Werner
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Pertusaria amara (Ach.) Nyl. Corticolous; on deciduous trees; not very common. Soralia KC+ violet, taste extremely bitter (difference to P. albescens). Central Europe; Germany: Hesse. |
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Pertusaria amara (Ach.) Nyl.
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Pertusaria amara (Ach.) Nyl. Corticolous; on Acer pseudoplatanus. Soralia KC+ violet, taste extremely bitter (difference to P. albescens). Central Europe; Germany; Hesse: Taunus mountains (Wispertal). |
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Pertusaria aspergilla (Ach.) Laundon On siliceous rocks. Thallus thin, grey, cracked to areolate; with a white prothallus; soralia white, punctiform, sometimes confluenting. Thallus K± yellow-brown, KC-; thallus and soralia Pd+ rost-red (see small image). Central Europe; Germany: Hesse. |
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Pertusaria coccodes (Ach.) Nyl. Corticolous; on deciduous trees; not very commonThallus grey to bright green grey; densely covered by isidia, resembling on frog eggs. Cortex K+ yellow, later red, C-, KC- to yellow-red, Pd-; medulla Pd+ yellow to orange. Central Europe; Germany: Hesse. |
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Pertusaria coccodes (Ach.) Nyl.
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Pertusaria corallina (L.) Arnold On exposed basaltic rocks. Thallus usually with a white prothallus, thick, covered with cylindric to coralloid isidia. Thallus K+ yellow, Pd+ orange. Central Europe; Germany; Hesse: Rhön Mountains. |
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Pertusaria flavicans Lamy On well-lit silicatic rocks. Thallus thick, warted-areolate; soralia at first delimited, later becoming confluent; soredia granular; apothecia not seen. Soralia K-, C+ orange, Pd-.Central Europe; Germany: Hesse. (150 m above sea level). (Coll/ident:Eichler/Cezanne). |
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Pertusaria flavida (DC.) Laundon Corticolous; on deciduous trees (e.g. Carpinus betulus); ± rare. Thallus with an yellowish tinge (yellow-green, yellow-grey, yellow-white), areolate to warted; isidia small, globose. Thallus KC+ orange, C+ orange, Pd-. (Resembling to Pyrrhospora quernea, but this species is not isidiate. P.coccodes: Isidia taller, Cortex K+ yellow --> red, Pd+ orange). Central Europe; Germany: Hesse. |
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Pertusaria flavida (DC.) Laundon
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Pertusaria hymenea (Ach.) Schaer. On Fagus sylvatica. Thallus cracked and tuberculate; apothecia developing from semi-globose warts (-2 mm); discs ± rounded, often widening (P. pertusa has narrower discs). Thallus C+ yellow, KC+ orange. Central Europe; Germany: Hesse. |
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Pertusaria lactea (L.) Arnold On siliceous rocks (Grauwacke). Thallus cracked or warted; areoles irregularly rounded, convex; soralia delimited by a thalline exiple, up to 1.5 mm diam., whitish (paler than the thallus). Thallus and soralia K-, KC+ red, C+ red, Pd-. Central Europe; Germany; Hesse. |
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Pertusaria lactea (L.) Arnold Central Europe; Germany; Baden-Württemberg: Black Forest. |
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Pertusaria lecanorodes (Ach.) Schaer. Corticolous; on deciduous trees; in dark and humid environments (Laurisilva). Thallus yellow-grey; apothecia common, up to 1 mm, disc brownish or rose, concave, margin lecanorine. Thallus K+ yellow, C+ yellow-orange, KC-, P-; epihymenium K+ violet. Portugal: Madeira. (1100 m above sea level). |
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Pertusaria leioplaca DC. Corticolous; on smooth bark of broad-lobed deciduous trees (e.g. Carpinus betulus). Thallus thin, green-grey; apothecia usually single in warts, warts up to 2 mm diam., semi-globose with spreading base, top ± flat, disc small, perithecia-like. Thallus K+ yellow, KC+ yellow, C-, Pd + deep orange or Pd-. Central Europe; Germany; Hesse. |
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Pertusaria ;pertusa (Weigel) Tuck. Corticolous; on deciduous trees (freestanding and in forests); not very common. Thallus grey-green to grey, weakly shiny, uneven to warty; apothecia numerous, one to several in semiglobose warts (0.8-2 mm), walls steep, disc pointed, black. Cortex K± yellowish, Pd-; medulla K+ yellow, Pd+ orange-red. Central Europe; Germany: Hesse. |
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Pertusaria pertusa (Weigel) Tuck.
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Pertusaria pustulata (Ach.) Duby On Fagus sylvatica. Thallus thin, smooth, later fissured; apothecia developing from ± flat warts (- 1mm), 1 (-3) apothecia per wart; disc punctiform, later widening. Thallus K+, C+, KC+ yellow, Pd+ orange. Central Europe; Germany: Hesse. (Collected by Graf zu Solms; 1869! Identificated by Eichler/Cezanne). |