Flechtenbilder (Pa-Pe)

Pannaria-conoplea-8151 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.
Pannaria-pezizoides-5124 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.
Pannaria-pezizoides Pannaria pezizoides (Web.) Trev.
On soil.
Portugal: Madeira.
Pannaria-rubiginosa-02 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.
Pannaria-rubiginosa-03 Pannaria rubiginosa (Ach.) Bory
Pannaria-rubiginosa-120928 Pannaria rubiginosa (Ach.) Bory (wet)
Pannaria-saubinetii-2026a 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.
Pannaria-saubinetii-2026b Pannaria saubinetii (Mont.) Nyl
Pannaria-tavaresii-5547 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).
Pannaria-tavaresii-5547b Pannaria tavaresii P.M. Jørg.
Paranectria-oropensis-Candelariella-efflorescens _Kalock___MPE_3____66zu1____f_4___ISO100___13sec___A___16_Bilder-mit_Mastab 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.
Paraparmelia-usitata-7430-Waterberg Paraparmelia usitata (Brusse) Elix
On sandstone.
Namibia: Waterberg region.
(Ident: V. Wirth).
Paraparmelia-usitata-7431 Paraparmelia usitata (Brusse) Elix
Parmelia ernstiae 7481 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.
Parmelia-ernstiae-2008-Windisch Parmelia ernstiae Feuerer & Thell
Corticolous; on deciduous trees.
Pruina.
Central Europe; Germany: Hesse.
Parmelia ernstiae 20260402 Zuiko Macro60mm 01 Parmelia ernstiae Feuerer & Thell
Corticolous; on Tilia spec.
Lobes ridged; surface strongly pruinose; lobulae common; pseudocyphella forming a reticulate net (mainly near the tips); isidia cylindrical to coralloid, pruinose. 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.
Parmelia ernstiae 20260402 Zuiko Macro 60mm 02 Parmelia ernstiae Feuerer & Thell
Corticolous; on Tilia spec.
Central Europe; Germany: Hesse.
Parmelia ernstiae 20260402 Zuiko Macro 60mm 03 Parmelia ernstiae Feuerer & Thell
Corticolous; on Tilia spec.
Central Europe; Germany: Hesse.
Parmelia-omphalodes 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.
Parmelia-saxatilis-2-1 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.
Parmelia-saxatilis-5751 >Parmelia saxatilis (L.) Ach.
Parmelia-sulcata-02-11 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.
Parmelia-sulcata-8337 Parmelia sulcata Taylor
Parmeliella-testacea 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.
Parmeliella-triptophylla-8597 Parmeliella triptophylla (Ach.) Müll. Arg. (Initial stadium).
On Alnus glutinosa.
Central Europe; Austria: Vorarlberg.
(Identified by Eichler & Cezanne).
Parmeliella-triptophylla-8101 Parmeliella triptophylla (Ach.) Müll. Arg. (Young stadium).
Austria: Alps.
Parmeliella-triptophylla-8094 Parmeliella triptophylla (Ach.) Müll. Arg. (Adult stadium).
Austria: Alps.
Parmelina-carporrhizans 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.
Parmelina-quercina-var.-carporrhizans Parmelina carporrhizans (Taylor) Wirth
Parmelina-pastillifera-140829 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.
Parmelina-pastillifera Parmelina pastillifera (Harm.) Hale
Parmelina-tiliacea-140829 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.
Parmeliopsis-ambigua 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.
Parmeliopsis-ambigu-8341 Parmeliopsis ambigua (Wulfen) Nyl.
Parmotrema-arnoldii-6145 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.
Parmotrema-arnoldii Parmotrema arnoldii (Du Rietz) Hale
 Parmotrema austrosinense 7454 Waterberg 16 Parmotrema austrosinense (Zahlbr.) Hale
On the bark of deciduous trees.
Namibia: Waterberg region.
(Identified by V. Wirth).
Parmotrema-crinitum-120916 Madeira_Queimadas____Elmarit___SL64mm____f5.6___ISO160___1-15sec___A___9_Bilder 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.
Parmotrema-crinitum-120916 Parmotrema crinitum (Ach.) Choisy
Parmotrema-perlatum-8174 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.
Parmotrema-perlatum-001 Parmotrema perlatum (Huds.) Choisy
Parmotrema-reticulatum-001 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.
Parmotrema-reticulatum-002 Parmotrema reticulatum (Taylor) Choisy
Parmotrema-robustum-7070a 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.
Parmotrema-robustum-4433 Parmotrema robustum (Degel.) Hale
Parmotrema-stuppeum-4182 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.
Parmotrema-tictorum-6768-001 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.
Parmotrema-tinctorum-8002-002 Parmotrema tinctorum (Nyl.) Hale
Peltigera-canina-5670 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.
Peltigera-collina-5453 Peltigera collina (Ach.) Schrader
On mossy trunks and rocks.
Margins ± raised, sorediate (soralia pale grey to bluish). Spot reactions negative.
Central Europe.
Peltigera-collina-8584 Peltigera collina (Ach.) Schrader
Central Europe; Germany; Bavaria: Alps.
Petligera-didactila-060819 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.
Peltigera-horizontalis-7996 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.
Peltigera-hymenina-7997 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.
 Peltigera hymenina 9791a Peltigera hymenina (Ach.) Delise ex Duby
Terricolous, between mosses; in wet and shaded habitats.
Central Europe; Germany: Hesse.
 Peltigera hymenina 9791b Peltigera hymenina (Ach.) Delise ex Duby
Terricolous, between mosses; in wet and shaded habitats.
Central Europe; Germany: Hesse.
 Peltigera hymenina 9791c Peltigera hymenina (Ach.) Delise ex Duby
Terricolous, between mosses; in wet and shaded habitats.
Lower surface.
Central Europe; Germany: Hesse.
Peltigera-lepidophora-7233 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).
Peltigera-leucophlebia 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.
Peltigera-malacea-8276 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.
Peltigera-neckeri-4763 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.
Peltigera-praetextata-160903 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).
Peltigera-praetextata-0609 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).
Peltigera-praetextata-7479 Peltigera praetextata (Floerke ex Sommerf.) Zopf
Central Europe: Germany.
Peltigera-praetextata-5452-US Peltigera praetextata (Floerke ex Sommerf.) Zopf
Peltigera praetextata 9789 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.
Peltigera-rufescens-6026 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, upturned, crisped; lower surface with flattened veins; rhizines dark towards the center, white near the margins; apothecia not seen. Spot reactions negative.
Central Europe: Germany.
/The similar P. membranacea has down-turned margins).
Peltigera-rufescens-6618 Peltigera rufescens (Weiss) Humb.
Peltigera rufescens 9575 01 Peltigera rufescens (Weiss) Humb.  (9575)
On mossy soil.
Upper surface.
Central Europe; Germany: Hesse.
Peltigera rufescens 9575 02 Peltigera rufescens (Weiss) Humb.  (9575)
On mossy soil.
Lower surface.
Central Europe; Germany: Hesse.
Peltigera rufescens 9575 03 Peltigera rufescens (Weiss) Humb.  (9575)
On mossy soil.
Lower surface.
Central Europe; Germany: Hesse.
 Peltigera rufescens OS 9844 TG6 01 Peltigera rufescens (Weiss) Humb.  (9844)
On a mossy wall (calcareous).
Thallus ± rosette-forming (up to 15 cm diam.), whitish tomentose (adpressed); lobes in comparison with other Peltigera species small, adpressed; margins rising, crisped; lower surface with pale (margin) to dark (center) veins; rhizines dark towards the center, white near the margins; apothecia saddle-shaped on ascending lobes; disc blackish-brown; epithecium brown; hymenium colourless (100 µm); hypothecium colourless, pseudoparnechymatous;  asci 88 µm; ascospores colourless, acicular, 4-septate (57-77 x 3.5-5.3 µm). Spot reactions negative.
Central Europe; Germany: Hesse.
(Ident. by Eichler/Cezanne).
 Peltigera rufescens OS 9844 TG6 02 Peltigera rufescens (Weiss) Humb.  (9844)
On a mossy wall (calcareous).
Upper surface.
Central Europe; Germany: Hesse.
(Ident. by Eichler/Cezanne).
 Peltigera rufescens OS 9844 TG6 03 Peltigera rufescens (Weiss) Humb.  (9844)
On a mossy wall (calcareous).
Upper surface.
Central Europe; Germany: Hesse.
(Ident. by Eichler/Cezanne).
 Peltigera rufescens OS 9844 TG6 04 Peltigera rufescens (Weiss) Humb.  (9844)
On a mossy wall (calcareous).
Upper surface.
Central Europe; Germany: Hesse.
(Ident. by Eichler/Cezanne).
 Peltigera rufescens OS 9844 MPE65 05 Peltigera rufescens (Weiss) Humb.  (9844)
On a mossy wall (calcareous).
Upper surface (tomentum).
Central Europe; Germany: Hesse.
(Ident. by Eichler/Cezanne).
 Peltigera rufescens US 9844 MPE65 06 Peltigera rufescens (Weiss) Humb.  (9844)
On a mossy wall (calcareous).
Lower surface, apothecia.
Central Europe; Germany: Hesse.
(Ident. by Eichler/Cezanne).
 Peltigera rufescens US 9844 MPE65 07 Peltigera rufescens (Weiss) Humb.  (9844)
On a mossy wall (calcareous).
Lower surface, rhizines, veins.
Central Europe; Germany: Hesse.
(Ident. by Eichler/Cezanne).
 Peltigera rufescens US 9844 MPE65 08  Peltigera rufescens (Weiss) Humb.  (9844)
On a mossy wall (calcareous).
Lower surface, rhizines, veins.
Central Europe; Germany: Hesse.
(Ident. by Eichler/Cezanne).
 Peltigera rufescens US 9844 MPE65 09 Peltigera rufescens (Weiss) Humb.  (9844)
On a mossy wall (calcareous).
Lower surface, rhizines.
Central Europe; Germany: Hesse.
(Ident. by Eichler/Cezanne). 
 Peltigera rufescens US 9844 MPE65 10 Peltigera rufescens (Weiss) Humb.  (9844)
On a mossy wall (calcareous).
Lower surface, veins.
Central Europe; Germany: Hesse.
(Ident. by Eichler/Cezanne). 
 Peltigera rufescens 9844 Mikroskop 50 Peltigera rufescens (Weiss) Humb.  (9844)
On a mossy wall (calcareous).
Lower surface (microscopic details).
Central Europe; Germany: Hesse.
(Ident. by Eichler/Cezanne). 
Peltigera-venosa-01 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!).
Peltigera-venosa-03 Peltigera venosa (L.) Hoffm.
(Collected by Dillenius; 1715!).
Pertusaria-albescens-2 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.
Pertusaria-albescens Pertusaria albescens (Hudson) Choiy & Werner
Pertusaria-albescens-8282 Pertusaria albescens (Hudson) Choiy & Werner
Pertusaria-amara-7696 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.
Pertusaria-amara-8321 Pertusaria amara (Ach.) Nyl.
Pertusaria-amara-160903a 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).
Pertusaria-aspergilla-5738 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.
Pertusaria-coccodes-8283 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.
Pertusaria-coccodes-1 Pertusaria coccodes (Ach.) Nyl.
Pertusaria-corallina-5820 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.
Pertusaria-flavicans-19.8.06 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).
Pertusaria-flavida-1 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.
Pertusaria-flavida-7499 Pertusaria flavida (DC.) Laundon
Pertusaria-hymenea-8320 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.
Pertusaria-lactea-5746 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.
Pertusaria-lactea-111009 Pertusaria lactea (L.) Arnold
Central Europe; Germany; Baden-Württemberg: Black Forest.
Pertusaria-lecanorodes-395 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).
Pertusaria-leioplaca-5730 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.
Pertusaria-pertusa Pertusaria ;pertusa&nbsp(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.
Pertusaria-pertusa-8313 Pertusaria pertusa (Weigel) Tuck.
Pertusaria-pustulata-Solms-1850 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).