Lecanora subcarnea (Lilj.) Ach.

Lichenogr. Univ.: 365, 1810. Basionym: Lichen subcarneus Lilj. - Utkast Svensk Flora: 327, 1792.
Synonyms: Lecanora pallescens A. Massal.; Lecanora pallida var. trachytica A. Massal.; Lecanora sordida var. subcarnea (Lilj.) Th. Fr.; Lecanora trevisanii A. Massal.; Lecidea subcarnea (Lilj.) Ach.; Patellaria massalongiana Trevis.; Patellaria rupicola var. subcarnea (Lilj.) Trevis.; Zeora subcarnea (Lilj.) Arnold
Distribution: N - Ven (Lazzarin 2000b), TAA, Lomb, Piem, VA (Piervittori & Isocrono 1999, Piervittori & al. 2001), Emil (Fariselli & al. 2020). C - Tosc (Tretiach & al. 2008), Laz, Abr (Caporale & al. 2016), Sar (Dickhauser & al. 1995, Nöske 2000, Rizzi & al. 2011). S - Camp (Ricciardi & al. 2000), Bas (Brackel & Puntillo 2023), Cal (Dickhauser & al. 1995, Puntillo 1996), Si.
Description: Thallus crustose, episubstratic, minutely cracked to irregularly verrucose-areolate, yellowish white to grey, often delimited by a white, fimbriate prothallus, the areoles flat to convex, smooth or farinose, epruinose or slightly pruinose. Apothecia lecanorine, 0.5-1.5(-2) mm across, at first innate, becoming sessile and constricted at base, with a pale pink to pink-brown, heavily white- or bluish white-pruinose, slightly concave (when young) to convex disc, and a thin, smooth, entire, often finally excluded thalline margin. Thalline exciple ecorticate, rich in algae, with numerous small crystals dissolving in K; proper exciple colourless, with crystals; epithecium yellowish brown to grey-brown, with crystals dissolving in K; hymenium colourless, 60-80(-100) µm high, not inspersed with oil droplets; paraphyses simple or sparingly branched in upper part, 1.5-2 µm thick in lower part, the apical cells to 3.5 µm wide; hypothecium colourless. Asci 8-spored, clavate, very thin-walled, with a K/I+ blue, tall tholus penetrated by a faintly amyloid apical cushion, the wall K/I-, surrounded by a blue outer layer, Lecanora-type. Ascospores 1-celled, hyaline, broadly ellipsoid, 9-14 x 5-8(-10) µm, the wall <1 µm thick. Photobiont chlorococcoid. Spot tests: K- or K+ yellow, C-, KC-, P+ orange turning red, UV-. Chemistry: atranorin (major to traces), chloroatranorin (minor), protocetraric acid (major).
Note: a mild-temperate to Mediterranean species found on steeply inclined to rain-sheltered surfaces of siliceous rocks, mostly below the upper montane belt; it is locally common in Tyrrhenian Italy.
Growth form: Crustose
Substrata: rocks
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly sexual
Most common in areas with a humid-warm climate (e.g. most of Tyrrenian Italy)
In underhangs rarely wetted by rain

Commonnes-rarity: (info)

Alpine belt: absent
Subalpine belt: absent
Oromediterranean belt: absent
Montane belt: very rare
Submediterranean belt: extremely rare
Padanian area: absent
Humid submediterranean belt: rather common
Humid mediterranean belt: rather rare
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
Index Fungorum GBIF

Leif Stridvall - Source: http://www.stridvall.se/la/galleries.php . Courtesy: A. Stridvall



P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (34940)
2002/04/03


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=301&lang=en
France, Pointe de Dinan


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=301&lang=en
France, Pointe de Dinan


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=301&lang=en
France, Cap de la Chèvre


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=301&lang=en
France, Cap de la Chèvre


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=301&lang=en
France, Pointe de Rostudel


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=301&lang=en
France, Pointe de Rostudel


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=301&lang=en
France, Pointe de Rostudel


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=301&lang=en
France, Pointe de Rostudel


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=301&lang=en
France, Pointe de Rostudel


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=301&lang=en
France, Pointe de Rostudel


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=301&lang=en
France, Pointe de Rostudel


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=301&lang=en
France, Pointe de Rostudel


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=301&lang=en
France, Pointe de Rostudel


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=301&lang=en
France, Pointe de Rostudel


Ulrich Kirschbaum CC BY-SA 4.0 - Source: https://www.thm.de/lse/ulrich-kirschbaum/flechtenbilder
Central Europe; Germany: Hesse. On acid rocks, in sheltered underhangs.


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