Leptochidium albociliatum (Desm.) M. Choisy

Bull. Mens. Soc. Linn. Lyon, 21: 165, 1952. Basionym: Leptogium albociliatum Desm. - Ann. Sci. Nat. Bot., ser. 4: 132, 1855.
Synonyms: Collema albociliatum (Desm.) Nyl.; Polychidium albociliatum (Desm.) Zahlbr.; Polychidium cetrarioides Anzi; Polychidium gennarii Bagl.; Pseudoleptogium albociliatum (Desm.) Jatta; Pseudoleptogium gennarii (Bagl.) Jatta; Pseudoleptogium gennarii var. aetnicola Caruso
Distribution: N - TAA, Lomb (Valcuvia & al. 2003), Piem. C - Sar. S - Camp (Garofalo & al. 2010), Pugl (CLU 16922), Bas (Potenza & Fascetti 2005, 2012, Potenza 2006), Cal (Puntillo 1996), Si (Czeczuga & al. 1994, Grillo 1996, Grillo & al. 1996, Grillo 1998, Grillo & Caniglia 2004, Iacolino & Ottonello 2006, Christensen 2022).
Description: Thallus foliose to squamulose, gelatinous when wet, dark brownish-greenish black, forming up to 5 cm wide cushions. Lobes flattened, ascending, 3-5 mm broad, smooth, with rounded ends and undulate to crenulate margins, bearing abundant, thin, transparent hairs, sometimes with granular isidia. Lower surface with sparse white, fasciculate hapters. Upper and lower cortex only partly developed, paraplectenchymatous, formed by 1-3 layers of cells. Apothecia rare, adnate, 0.3-0.7(-1.5) mm across, with a brown, smooth, concave to flat disc and a hairy proper margin. Proper exciple paraplectenchymatous; epithecium brownish; hymenium colourless, 60-90 μm high; paraphyses branched, septate, swollen at apices; hypothecium colourless. Asci 8-spored, clavate, fissitunicate, the thickened apex with a K/I+ blue ring. Ascospores 1-septate, hyaline, narrowly ellipsoid, (15-)18-22(-26) x 5-7(-9) μm. Pycnidia semi-immersed. Conidia bacilliform, 9-16 x c. 1 μm. Photobiont cyanobacterial, nostocoid. Spot tests: all negative. Chemistry: without lichen substances.
Note: a cool-temperate to arctic-alpine lichen found amongst bryophytes on rocks or on soil in open scrublands and grasslands on basic siliceous substrata.
Growth form: Foliose, narrow lobed
Substrata: soil, terricolous mosses, and plant debris
Photobiont: cyanobacteria, filamentous (e.g. Nostoc, Scytonema)
Reproductive strategy: mainly sexual
Subcontinental: restricted to areas with a dry-subcontinental climate (e.g. dry Alpine valleys, parts of Mediterranean Italy)

Commonnes-rarity: (info)

Alpine belt: extremely rare
Subalpine belt: very rare
Oromediterranean belt: very rare
Montane belt: extremely rare
Submediterranean belt: absent
Padanian area: absent
Humid submediterranean belt: very rare
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


Felix Schumm – CC BY-SA 4.0
Image from: F. Schumm (2008) - Flechten Madeiras, der Kanaren und Azoren. Beck, OHG - ISBN: 978-3-00-023700-3



P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (13822)
2001/11/26
detail of hairs



P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (13822)
2001/11/26


Antonio Valero; Owner: Antonio Valero
Spain; altitude: 1900 m.
Herbarium: Forum Natura Mediterraneo
2011


Antonio Valero; Owner: Antonio Valero
Spain; altitude: 1900 m.
Herbarium: Forum Natura Mediterraneo
2011


Antonio Valero; Owner: Antonio Valero
Spain; altitude: 1900 m.
Herbarium: Forum Natura Mediterraneo
2011


Antonio Valero; Owner: Antonio Valero
Spain; altitude: 1900 m.
Herbarium: Forum Natura Mediterraneo
2011


Antonio Valero; Owner: Antonio Valero
Spain; altitude: 1900 m.
Herbarium: Forum Natura Mediterraneo
2011


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



Felix Schumm - CC BY-SA 4.0
Image from: F. Schumm (2008) - Flechten Madeiras, der Kanaren und Azoren. Beck, OHG - ISBN: 978-3-00-023700-3



Felix Schumm - CC BY-SA 4.0
Image from: F. Schumm (2008) - Flechten Madeiras, der Kanaren und Azoren. Beck, OHG - ISBN: 978-3-00-023700-3



Felix Schumm - CC BY-SA 4.0
Image from: F. Schumm (2008) - Flechten Madeiras, der Kanaren und Azoren. Beck, OHG - ISBN: 978-3-00-023700-3



Felix Schumm - CC BY-SA 4.0
Image from: F. Schumm (2008) - Flechten Madeiras, der Kanaren und Azoren. Beck, OHG - ISBN: 978-3-00-023700-3



Domenico Puntillo - CC BY-SA 4.0
Italia, Calabria. Sila Piccola, Cocciolo (Cotronei, KR), , 1110 m - 28.08.2021



P.L. Nimis CC BY-SA 4.0
TSB 38886



P.L. Nimis CC BY-SA 4.0
TSB 38886



Domenico Puntillo - CC BY-SA 4.0
Italia, Calabria. Sila Piccola, Cocciolo (Cotronei, KR), , 1110 m - 28.08.2021


Ulrich Kirschbaum CC BY-SA 4.0 - Source: https://www.thm.de/lse/ulrich-kirschbaum/flechtenbilder
Portugal: Madeira.


Ulrich Kirschbaum CC BY-SA 4.0 - Source: https://www.thm.de/lse/ulrich-kirschbaum/flechtenbilder
Portugal: Madeira.


Ulrich Kirschbaum CC BY-SA 4.0 - Source: https://www.thm.de/lse/ulrich-kirschbaum/flechtenbilder
Portugal: Madeira.


Ulrich Kirschbaum CC BY-SA 4.0 - Source: https://www.thm.de/lse/ulrich-kirschbaum/flechtenbilder
Portugal: Madeira.


Ulrich Kirschbaum CC BY-SA 4.0 - Source: https://www.thm.de/lse/ulrich-kirschbaum/flechtenbilder
Portugal: Madeira.