Coenogonium pineti (Ach.) Lücking & Lumbsch

in Lücking & al., Mycologia, 96: 290, 2004. Basionym: Lecidea pineti Schrad. ex Ach. - Lichenogr. Univ.: 195, 1810.
Synonyms: Biatora pineti (Ach.) Fr.; Biatorina diluta (Pers.) Th. Fr.; Biatorina pineti (Ach.) A. Massal.; Dimerella diluta (Pers.) Trevis.; Dimerella pineti (Ach.) Vězda; Gyalecta alnicola B. de Lesd.; Gyalecta diluta (Pers.) Blomb. & Forssell; Gyalecta pineti (Ach.) Tuck.; Gyalecta rosea (Eitner) Zahlbr.; Microphiale diluta (Pers.) Zahlbr.; Peziza diluta Pers. non Fr.
Description: Thallus crustose, thinly episubstratic, continuous, smooth to finely granulose, dark green or grey-green, sometimes evanescent. Apothecia biatorine, 0.1-0.4(-0.5) mm across, sessile, round, slightly constricted at base, with a concave to flat, whitish to cream-coloured disc (turning yellowish or pinkish in the herbarium) and a thin, smooth, persistent proper margin. Proper exciple well-developed, paraplectenchymatous, composed of globose to angular cells with an outer layer of weakly vertically oriented hyphae; hymenium colourless, 70-90 μm high, I+ blue, then rapidly dirty green and finally red-brown, K/I+ blue; paraphyses simple or sparingly branched in upper part, 1-2 µm thick at mid-level, the apical cells c. 4 µm wide; hypothecium colourless. Asci 8-spored, subcylindrical-clavate, the wall thin, K/I+ blue, the apex slightly thickened to give an amyloid ring around the pore, approaching the Catillaria-type. Ascospores 1-septate, hyaline, fusiform to ellipsoid, 9-13(-15) x 2-3.5(-4.5) μm. Pycnidia more or less immersed, hemispherical, 0.1-0.2 mm across, the wall colourless. Conidia oblong, 6-7(-8) x 1.8-2.8 µm, often constricted in the middle. Photobiont trentepohlioid. Spot tests: K-, C-, KC-, P-, UV-. Chemistry: without lichen substances.
Growth form: Crustose
Photobiont: Trentepohlia
Reproductive strategy: mainly sexual

Commonnes-rarity: (info)

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

pH of the substrata:

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Solar irradiation:

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Aridity:

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Eutrophication:

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Poleotolerance:

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Altitudinal distribution:

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Rarity

absent
extremely rare
very rare
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rather rare
rather common
common
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extremely 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

P.L.Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (36794)
2008.02.25


Andres Saag; Owner: University of Tartu


P.L.Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (30796)
2008.03.06


P.L.Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (36794)
2008.02.25


P.L.Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (29759)
2008.03.06


P.L.Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (30796)
2008.03.06


P.L.Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (30796)
2008.03.06


Domenico Puntillo; Owner: Domenico Puntillo
Italy


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


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


P.L. Nimis CC BY-SA 4.0
TSB 38512


G. Incerti CC BY-SA 4.0
TSB 32297


Pier Luigi Nimis - CC BY-SA 4.0; Owner: Department of Life Sciences, University of Trieste
TSB 43797


Pier Luigi Nimis - CC BY-SA 4.0; Owner: Department of Life Sciences, University of Trieste
TSB 43797


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_C/Coenogonium_pineti.htm; Owner: -
France, CBNMC, Chavaniac-Lafayette - Haute-Loire
4/3/2016


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_C/Coenogonium_pineti.htm; Owner: -
France, CBNMC, Chavaniac-Lafayette - Haute-Loire
4/3/2016


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_C/Coenogonium_pineti.htm; Owner: -
France, CBNMC, Chavaniac-Lafayette - Haute-Loire
4/3/2016


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_C/Coenogonium_pineti.htm; Owner: -
France, CBNMC, Chavaniac-Lafayette - Haute-Loire
4/3/2016


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=590&lang=en
France, sur Cupressus Lesteven


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=590&lang=en
France, sur Cupressus Lesteven


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=590&lang=en
France, sur Cupressus Lesteven


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=590&lang=en
France, sur Cupressus Lesteven


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=590&lang=en
France, sur Cupressus Lesteven


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=590&lang=en
France, sur Cupressus Lesteven


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=590&lang=en
France, sur Cupressus Lesteven


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=590&lang=en
France, sur Cupressus Lesteven


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=590&lang=en
France, sur Cupressus Lesteven


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=590&lang=en
France, sur Cupressus Lesteven


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=590&lang=en
France, Ardennes


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=590&lang=en
France, Ardennes


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=590&lang=en
France, Ardennes


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=590&lang=en
France, Ardennes


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=590&lang=en
France, Ardennes


Ulrich Kirschbaum CC BY-SA 4.0 - Source: https://www.thm.de/lse/ulrich-kirschbaum/flechtenbilder
Central Europe; Germany: Hesse.


Ulrich Kirschbaum CC BY-SA 4.0 - Source: https://www.thm.de/lse/ulrich-kirschbaum/flechtenbilder
Central Europe; Germany: Hesse.


Marko Doboš
Salgótarján, Nógrád, Hungary


Marko Doboš
Kuzma, Croatia


Felix Schumm - CC BY-SA 4.0
[ABL42281], Brazil, Alagoas, Quebrangulo, Pedra Talhada private area. In Atlantic rain forest on wooden pole. 9°15’ S, 36°25’35’’ W, 500-700 m. Leg. M. Cáceres & A. Aptroot (no 42281), 21-23.10.2017. Det. A. Aptroot, 2017. - Spores hyaline, 1-septate, 11 x 4.5 μm.


Felix Schumm - CC BY-SA 4.0
[ABL42281], Brazil, Alagoas, Quebrangulo, Pedra Talhada private area. In Atlantic rain forest on wooden pole. 9°15’ S, 36°25’35’’ W, 500-700 m. Leg. M. Cáceres & A. Aptroot (no 42281), 21-23.10.2017. Det. A. Aptroot, 2017. - Spores hyaline, 1-septate, 11 x 4.5 μm.


Wolfgang von Brackel - CC BY-4.0
Bavaria, Germany, Hohenfels


Wolfgang von Brackel - CC BY-4.0
Germany, Bavaria, Taubenberg


Wolfgang von Brackel - CC BY-4.0
Germany, Bavaria, Taubenberg


Wolfgang von Brackel - CC BY-4.0
Germany, Bavaria, Taubenberg


Collezione lichenologica Abramo Massalongo del Museo di Storia Naturale G. Ligabue di Venezia - Autori: Seggi, Linda; Trabucco, Raffaella Proprietà: Fondazione Musei Civici di Venezia - CC BY-NC
Italy, Veneto, in oppido Asiago 1855
as Biatorina pineti


Felix Schumm - CC BY 4.0
[VZR198], Polonia. Pomerania, reservatum naturae "Stowonski National Park", ad corticem Vaccinii myrtilli. Leg. J. Miadlikowska. Ex A. Vezda; Lichenes Rariores Exsiccati Nr.198.


Felix Schumm - CC BY 4.0
[VZ1279], Hungaria. Montes Matra, regio montis Agasvár, in valle rivuli Csörgö, 500 m.Ad corticem Alni incanae. Leg. A. Kieszely, T. Pócs et A. Vezda, 5.6.1974. EX A. VEZDA LICHENES SELECTI EXSICCATI NR. 1279.


Felix Schumm - CC BY 4.0
[VZ1279], Hungaria. Montes Matra, regio montis Agasvár, in valle rivuli Csörgö, 500 m.Ad corticem Alni incanae. Leg. A. Kieszely, T. Pócs et A. Vezda, 5.6.1974. EX A. VEZDA LICHENES SELECTI EXSICCATI NR. 1279.