Cladonia strepsilis (Ach.) Grognot

Pl. Crypt. Sâone-et-Loire: 85, 1863. Basionym: Baeomyces strepsilis Ach. - Meth. Lich. Suppl.: 52, 1803.
Synonyms:
Distribution: N - Frl (Tretiach & Hafellner 2000), TAA, Lomb (Ravera & al. 2017, Gheza 2018, 2019, 2019b, Gheza & al. 2022), Piem (Gheza 2020), Lig.
Description: Primary thallus squamulose, the squamules persistent, prominent, stiff, elongate-crenate, up to 5 mm long, 0.5-3.5 mm wide, grey-green to bronze-green above, white and corticate beneath, forming dense, often convex, up to 10 cm wide (usually smaller) cushions. Podetia rather rare, small, 0.3-0.8(-1) cm tall, 1-3 mm thick, greenish brown to yellowish brown, irregularly cylindrical to clavate, cupless, continuously corticate, sometimes with small cracks, often squamulose at the base. Apothecia normally present when podetia are well-developed, brown, convex, usually forming aggregates. Asci 8-spored, clavate, thickened at apex, with a K/I+ blue tholus and a K/I+ strongly blue outer gelatinous sheath, Cladonia-type. Ascospores 1-celled, hyaline, ellipsoid. Pycnidia brown, semi-immersed in the basal squamules, with a colourless jelly. Conidia hyaline, curved. Photobiont chlorococcoid. Spot tests: K-, KC-, C+ bright emerald green, P+ yellow, UV+ whitish. Chemistry: baeomycesic and squamatic acids, strepsilin, sometimes traces of barbatic and 4-O-demethylbarbatic acids.
Note: a boreal-montane to tropical lichen found on humus-rich soil overlaying siliceous rocks and amongst bryophytes in humid depressions periodically filled by water, in open situations; probably restricted to the Alps in Italy.
Growth form: Fruticose

Substrata: soil, terricolous mosses, and plant debris
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)

Commonnes-rarity: (info)

Alpine belt: extremely rare
Subalpine belt: very rare
Oromediterranean belt: absent
Montane belt: very rare
Submediterranean belt: extremely rare
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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Eutrophication:

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Poleotolerance:

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Altitudinal distribution:

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Predictive model
Herbarium samples
Index Fungorum GBIF

Gabriele Gheza - https://lichenidilombardia.home.blog
Italy, Lombardia, Brescia, Corteno Golgi, 809 m
19/08/2019



P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (9138)
2001/12/04
primary thallus



P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (9138)
2001/12/04
detail of squamule


Einar Timdal - Source: http://nhm2.uio.no/lav/web/index.html - CC BY-NC


Gabriele Gheza - https://lichenidilombardia.home.blog
Italy, Lombardia, Brescia, Corteno Golgi, 809 m
19/08/2019


Gabriele Gheza - https://lichenidilombardia.home.blog
Italy, Lombardia, Brescia, Corteno Golgi, 809 m
19/08/2019


Gabriele Gheza - https://lichenidilombardia.home.blog
Italy, Lombardia, Brescia, Corteno Golgi, 809 m
19/08/2019


Gabriele Gheza - https://lichenidilombardia.home.blog
Italy, Piemonte, Novara, Cameri, valle del Ticino, 143 m
27/04/2021


Gabriele Gheza - https://lichenidilombardia.home.blog
Italy, Lombardia, Bergamo, Schilpario, 1900 m
10/08/2020


Gabriele Gheza - https://lichenidilombardia.home.blog
Italy, Lombardia, Bergamo, Schilpario, 1900 m
10/08/2020


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=252&lang=en
France, Cap de la Chèvre


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=252&lang=en
France, Cap de la Chèvre


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=252&lang=en
France, Cap de la Chèvre


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=252&lang=en
France, Cap de la Chèvre


Bernard Bouffinier - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=252&lang=en
France, Cap de la Chèvre


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=252&lang=en
France, Ardennes


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=252&lang=en
France, Ardennes


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=252&lang=en
France, Ardennes


Michel David - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=252&lang=en
France, Frat


Michel David - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=252&lang=en
France, Frat


Michel David - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=252&lang=en
France, Frat


Michel David - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=252&lang=en
France, Frat