Aspicilia cinerea (L.) Körb.

Syst. Lich. Germ.: 164, 1855. Basionym: Lichen cinereus L. - Mantissa Pl.: 132, 1767.
Synonyms: Aspicilia angelorum B. de Lesd.; Aspicilia cinerea var. alba (Schaer.) Anzi; Aspicilia cinerea var. vulgaris Schaer.; Aspicilia cinerea var. vulgaris Schaer. f. lignicola Anzi; Aspicilia depressa (Ach.) Anzi; Aspicilia gibbosa var. lignicola (Anzi) Bagl. & Carestia; Aspicilia polygonia (Vill.) A. Massal.; Lecanora cinerea (L.) Sommerf.; Lecanora excipularis H. Magn. nomen sed non planta; Lecanora illimata (Wahlenb.) Ach.; Lecanora protrudens Malme?; Parmelia cinerea (L.) Hepp; Sagedia depressa Ach.; Urceolaria cinerea (L.) Ach.
Description: Thallus crustose, episubstratic, 0.3-0.6(-1) mm thick, areolate, sometimes rimose at the edge, forming up to 10 cm wide patches. Areoles contiguous, separated by distinct cracks, angular or irregular, flat to slightly convex, 0.3-1.3(-2.5) mm wide, pale grey to ash-grey, sometimes with a brownish tinge, often developing on a dark hypothallus. Cortex paraplectenchymatous, covered with an epinecral layer, with crystals soluble in K but not in N, that of the apothecial margins usually brown (Subdepressa-brown pigment, K-, disappearing in N). Apothecia lecanorine-aspicilioid, (0.1-)0.3-1(-2) mm wide, immersed, 1-2(-5) per areole, often confluent, round to angular or almost linear, with a black, usually concave to flat, smooth, epruinose or faintly pruinose disc, and a level to slightly raised thalline margin, often with a darker annular zone. Epithecium grey-green to olive-brown, N+ emerald green, K+ brown; hymenium colourless, I+ persistently blue, 70-120 µm high; paraphyses simple or sparingly branched and anastomosing, 1.5-2 µm thick at base, moniliform in upper part, the uppermost cells globose, 3-5 µm wide; hypothecium colourless, I+ persistently blue, not subtended by an algal layer. Asci 8-spored, clavate, the thin outer coat K/I+ blue, the wall and apical dome K/I-. Ascospores 1-celled, hyaline, ellipsoid, (10-)12-22(-25) x 6.5-12(-14) µm. Pycnidia immersed, pyriform, with a black, punctiform ostiole. Conidia thread-like, straight, (10-)12-20(-25) x (0.5-)0.8-1(-1.5) µm. Spot tests: cortex and medulla K+ yellow turning red (needle-like crystals), C-, KC-, P+ yellow-orange. Chemistry: norstictic acid, sometimes with traces of connorstictic acid.
Growth form: Crustose
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly sexual
Poorly known taxon in need of further study

Commonnes-rarity: (info)

Alpine belt: very common
Subalpine belt: extremely common
Montane belt: rather common
Dry submediterranean belt: rare
Humid submediterranean belt: rare
Padanian area: extremely rare

pH of the substrata:

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Poleotolerance:

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Altitudinal distribution:

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Rarity

absent
extremely rare
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common
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Occurrence data
Predictive map
Model ImageCurrent prediction (1981-2010)
Model ImageFuture prediction (2071-2100) SSP 1-2.6
Model ImageFuture prediction (2071-2100) SSP 5-8.5
Predictive maps according to Francesconi et al. 2025

Leif Stridvall - Source: http://www.stridvall.se/la/galleries.php (Courtesy: Anita Stridvall)


P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (33551)
2001/12/09


Andres Saag; Owner: University of Tartu


Andres Saag; Owner: University of Tartu


Juri Nascimbene - CC BY-SA 4.0
Italy, Trentino-Alto Adige, Bolzano/Bozen, Sciliar/Schlern


Juri Nascimbene - CC BY-SA 4.0
Italy, Trentino-Alto Adige, Bolzano/Bozen, Sciliar/Schlern


Juri Nascimbene - CC BY-SA 4.0
Italy, Trentino-Alto Adige, Bolzano/Bozen, Sciliar/Schlern


Juri Nascimbene - CC BY-SA 4.0
Italy, Trentino-Alto Adige, Bolzano/Bozen, Sciliar/Schlern


Felix Schumm – CC BY-SA 4.0
[8655], Portugal, Madeira, Porto Novo südlich von Gaula, 32°39.775’ N, 16°48.781’ W, 19 m, trockene, sonnige, küstennahe Lavafelsen. Leg. Schumm 16.04.2001, det. Schumm, 2013, conf. Aptroot


Felix Schumm – CC BY-SA 4.0
[8655], Portugal, Madeira, Porto Novo südlich von Gaula, 32°39.775’ N, 16°48.781’ W, 19 m, trockene, sonnige, küstennahe Lavafelsen. Leg. Schumm 16.04.2001, det. Schumm, 2013, conf. Aptroot


Felix Schumm – CC BY-SA 4.0
[8655], Portugal, Madeira, Porto Novo südlich von Gaula, 32°39.775’ N, 16°48.781’ W, 19 m, trockene, sonnige, küstennahe Lavafelsen. Leg. Schumm 16.04.2001, det. Schumm, 2013, conf. Aptroot


Felix Schumm – CC BY-SA 4.0
[8655], Portugal, Madeira, Porto Novo südlich von Gaula, 32°39.775’ N, 16°48.781’ W, 19 m, trockene, sonnige, küstennahe Lavafelsen. Leg. Schumm 16.04.2001, det. Schumm, 2013, conf. Aptroot


Felix Schumm – CC BY-SA 4.0
[8655], Portugal, Madeira, Porto Novo südlich von Gaula, 32°39.775’ N, 16°48.781’ W, 19 m, trockene, sonnige, küstennahe Lavafelsen. Leg. Schumm 16.04.2001, det. Schumm, 2013, conf. Aptroot


Felix Schumm – CC BY-SA 4.0
[8655], Portugal, Madeira, Porto Novo südlich von Gaula, 32°39.775’ N, 16°48.781’ W, 19 m, trockene, sonnige, küstennahe Lavafelsen. Leg. Schumm 16.04.2001, det. Schumm, 2013, conf. Aptroot


Felix Schumm – CC BY-SA 4.0
[8655], Portugal, Madeira, Porto Novo südlich von Gaula, 32°39.775’ N, 16°48.781’ W, 19 m, trockene, sonnige, küstennahe Lavafelsen. Leg. Schumm 16.04.2001, det. Schumm, 2013, conf. Aptroot


Felix Schumm – CC BY-SA 4.0
[8655], Portugal, Madeira, Porto Novo südlich von Gaula, 32°39.775’ N, 16°48.781’ W, 19 m, trockene, sonnige, küstennahe Lavafelsen. Leg. Schumm 16.04.2001, det. Schumm, 2013, conf. Aptroot


Felix Schumm – CC BY-SA 4.0
[8655], Portugal, Madeira, Porto Novo südlich von Gaula, 32°39.775’ N, 16°48.781’ W, 19 m, trockene, sonnige, küstennahe Lavafelsen. Leg. Schumm 16.04.2001, det. Schumm, 2013, conf. Aptroot


Felix Schumm – CC BY-SA 4.0
[8655], Portugal, Madeira, Porto Novo südlich von Gaula, 32°39.775’ N, 16°48.781’ W, 19 m, trockene, sonnige, küstennahe Lavafelsen. Leg. Schumm 16.04.2001, det. Schumm, 2013, conf. Aptroot


Felix Schumm – CC BY-SA 4.0
[8655], Portugal, Madeira, Porto Novo südlich von Gaula, 32°39.775’ N, 16°48.781’ W, 19 m, trockene, sonnige, küstennahe Lavafelsen. Leg. Schumm 16.04.2001, det. Schumm, 2013, conf. Aptroot


Felix Schumm – CC BY-SA 4.0
[8655], Portugal, Madeira, Porto Novo südlich von Gaula, 32°39.775’ N, 16°48.781’ W, 19 m, trockene, sonnige, küstennahe Lavafelsen. Leg. Schumm 16.04.2001, det. Schumm, 2013, conf. Aptroot


Felix Schumm – CC BY-SA 4.0
[8655], Portugal, Madeira, Porto Novo südlich von Gaula, 32°39.775’ N, 16°48.781’ W, 19 m, trockene, sonnige, küstennahe Lavafelsen. Leg. Schumm 16.04.2001, det. Schumm, 2013, conf. Aptroot


Felix Schumm – CC BY-SA 4.0
[8655], Portugal, Madeira, Porto Novo südlich von Gaula, 32°39.775’ N, 16°48.781’ W, 19 m, trockene, sonnige, küstennahe Lavafelsen. Leg. Schumm 16.04.2001, det. Schumm, 2013, conf. Aptroot


Felix Schumm – CC BY-SA 4.0
[8655], Portugal, Madeira, Porto Novo südlich von Gaula, 32°39.775’ N, 16°48.781’ W, 19 m, trockene, sonnige, küstennahe Lavafelsen. Leg. Schumm 16.04.2001, det. Schumm, 2013, conf. Aptroot


Felix Schumm – CC BY-SA 4.0
[8655], Portugal, Madeira, Porto Novo südlich von Gaula, 32°39.775’ N, 16°48.781’ W, 19 m, trockene, sonnige, küstennahe Lavafelsen. Leg. Schumm 16.04.2001, det. Schumm, 2013, conf. Aptroot
HPTLC in den Laufmitteln A, B’ und C nach Säurebehandlung bei Tageslicht und 366 nm UV-Langwelle. 1: Start, 4: Position von Norstictinsäure, 7: Position von Atranorin no: Norstictinsäure cno: Connrostictinsäure


Leif Stridvall - Source: http://www.stridvall.se/lichens/gallery/
Courtesy: Anita Stridvall


Leif Stridvall - Source: http://www.stridvall.se/lichens/gallery/
Courtesy: Anita Stridvall


Leif Stridvall - Source: http://www.stridvall.se/lichens/gallery/
Courtesy: Anita Stridvall


P.L. Nimis CC BY-SA 04
TSB 36915


P.L. Nimis CC BY-SA 04
TSB 33551


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=587&lang=en
France, Quéras


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=587&lang=en
France, Quéras


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=587&lang=en
France, Quéras