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
Description: Thallus small-foliose to subsquamulose, gelatinous when wet, dark brownish or greenish black, loosely attached, forming up to 5(-8) cm wide cushions. Lobes flattened, often ascending, 3-5 mm wide, 0.15-0.3 mm thick, smooth, with rounded ends and undulate to crenulate, often ascending 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, inner part often with a cellular pattern. Apothecia rare, adnate, 0.3-0.7(-1.5) mm across, with a brown, smooth, concave to flat disc and a paler, hairy proper margin. Proper exciple paraplectenchymatous, colourless to pale brown, 20-30 μm wide; 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-)6-7(-9) μm. Pycnidia very rare, semi-immersed. Conidia bacilliform, 9-16 x c. 1 μm. Photobiont cyanobacterial, filamentous, the individual cells 4-6 µm wide. Spot tests: all negative. Chemistry: without lichen substances.
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
Montane belt: extremely rare
Dry submediterranean belt: absent
Humid submediterranean belt: very rare
Padanian area: absent

pH of the substrata:

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Poleotolerance:

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Altitudinal distribution:

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Rarity

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Predictive map

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.