Calicium trabinellum (Ach.) Ach.

Meth. Lich. Suppl.: 14, 1803. Basionym: Calicium xylonellum var. trabinellum Ach. - Meth. Lich.: 93, 1803.
Synonyms: Calicium adspersum var. trabinellum (Ach.) Schaer.; Calicium incrustans Körb.; Calicium validiusculum Trevis.
Distribution: N - Frl (Puntillo & Puntillo 2009), Ven (Nascimbene & al. 2006e, Nascimbene 2008c), TAA (Nascimbene 2006c, 2008b, 2013, 2014, Nascimbene & al. 2006, 2006e, 2007b, 2008c, 2014, 2022, Stofer 2006, Thor & Nascimbene 2007, Puntillo & Puntillo 2009, Nimis & al. 2015, Trindade & al. 2021), Lomb (Nascimbene & al. 2006e, Puntillo & Puntillo 2009), Piem (Isocrono & al. 2004, Puntillo & Puntillo 2009), VA (Puntillo & Puntillo 2018). C - Sar (Puntillo & Puntillo 2009).
Description: Thallus crustose, endosubstratic and poorly evident or rarely thinly episubstratic and granulose-verrucose, grey-green. Apothecia stalked, pin-like, black with a bright yellow pruina on the lower side of the capitulum. Stalk black, epruinose, 0.6-0.9 mm high, of irregularly interwoven hyphae, the central part dark brown or aeruginose, of heavily sclerotized hyphae, the outer layer covered with a thin, paler, non-amyloid gelatinous sheath. Capitulum lenticular to obovoid, with a well-developed, cup-shaped exciple of pale (in outer part) or dark (in inner part) cells; mazaedium well developed, black; hypothecium blackish brown, with a convex upper surface. Asci cylindrical, formed singly, dissolving early, with uniseriate ascospores. Ascospores 1-septate, dark brown, ellipsoid, 10-11 x 5-6 µm, with a thick, ornamented wall; young spores with mainly longitudinal ridges, old spores with irregular cracks and short ridge fragments. Photobiont chlorococcoid. Spot tests: thallus K-, C-, KC-, P-; ascomata I- in all parts. Chemistry: thallus without lichen substances; yellow pruina with vulpinic acid.
Note: a holarctic, temperate to boreal-montane species found on hard wood, especially on old, decorticated stumps of conifers, more rarely of deciduous or even evergreen broad-leaved trees (e.g. Quercus ilex in montane forests), rarely on bark of conifers. Widespread throughout the Alps and also known from Sardinia, to be looked for in the Apennines.
Growth form: Crustose
Substrata: lignum
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly sexual
In underhangs rarely wetted by rain

Commonnes-rarity: (info)

Alpine belt: absent
Subalpine belt: rare
Oromediterranean belt: absent
Montane belt: very rare
Submediterranean belt: absent
Padanian area: absent
Humid submediterranean belt: absent
Humid mediterranean belt: absent
Dry mediterranean belt: 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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Predictive model
Herbarium samples

Ulrich Kirschbaum CC BY-SA 4.0 - Source: https://www.thm.de/lse/ulrich-kirschbaum/flechtenbilder
Central Europe: Germany. (Coll/ident: Eichler/Cezanne).



E. Pittao; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (2926)
2008.03.10



E. Pittao; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (2926)
2008.03.10



E. Pittao; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (2926)
2008.03.10



E. Pittao; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (2926)
2008.03.10



E. Pittao; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (30459)
2008.03.10



E. Pittao; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (30459)
2008.03.10



E. Pittao; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (7906)
2008.03.10



E. Pittao; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (7906)
2008.03.10



Juri Nascimbene - CC BY-SA 4.0
Paneveggio, Reg. Trentino-Alto Adige Prov. Trento, Italy.
2009



Domenico Puntillo - CC BY-SA 4.0
Italy



P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (2710)
2003/03/12



Domenico Puntillo - CC BY-SA 4.0
Italy



Pier Luigi Nimis - CC BY-SA 4.0
TSB 41546



Pier Luigi Nimis - CC BY-SA 4.0
TSB 41546



Domenico Puntillo CC BY-SA 4.0


Walter Obermayer CC BY-SA 4.0 - Source: Lichens of Noricum - http://lichens-of-noricum.uni-graz.at/


Walter Obermayer CC BY-SA 4.0 - Source: Lichens of Noricum - http://lichens-of-noricum.uni-graz.at/


Walter Obermayer CC BY-SA 4.0 - Source: Lichens of Noricum - http://lichens-of-noricum.uni-graz.at/


Walter Obermayer CC BY-SA 4.0 - Source: Lichens of Noricum - http://lichens-of-noricum.uni-graz.at/


Walter Obermayer CC BY-SA 4.0 - Source: Lichens of Noricum - http://lichens-of-noricum.uni-graz.at/


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=906&lang=en
France, Pyrénées, Font-Romeu


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=906&lang=en
France, Pyrénées, Font-Romeu


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=906&lang=en
France, Pyrénées, Font-Romeu


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=906&lang=en
France, Pyrénées, Font-Romeu


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=906&lang=en
France, Pyrénées, Font-Romeu


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=906&lang=en
France, Pyrénées, Font-Romeu


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=906&lang=en
France, Pyrénées, Font-Romeu


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=906&lang=en
France, Pyrénées, Font-Romeu


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=906&lang=en
France, Pyrénées, Font-Romeu


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=906&lang=en
France, Pyrénées, Font-Romeu


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=906&lang=en
France, Pyrénées, Font-Romeu


Walter Obermayer CC BY-SA 4.0 - Source: Lichens of Noricum - http://lichens-of-noricum.uni-graz.at/