Cladonia cenotea (Ach.) Schaer.

Lich. Helv. Spicil., 1, 1: 35, 1823. Basionym: Baeomyces cenoteus Ach. - Meth. Lich.: 345, 1803.
Synonyms:
Distribution: N - Frl, Ven (Nascimbene & Caniglia 1997, 2000b, 2002c, 2003c, Caniglia & al. 1999, Nascimbene & al. 2006e, Nascimbene & Marini 2007, Nascimbene 2008, 2008c, 2011), TAA (Caniglia & al. 2002, Nascimbene & Caniglia 2002c, Nascimbene 2003, 2005b, 2006b, 2006c, 2008b, 2013, 2014, Nascimbene & al. 2005, 2006, 2006e, 2007b, 2008c, 2022, Lang 2009, Nascimbene & Marini 2015, Nimis & al. 2015, Trindade & al. 2021), Lomb (Rivellini 1994, Rivellini & Valcuvia 1996, Dalle Vedove & al. 2004, Nascimbene & al. 2006e, Gheza 2019, 2019b, Gheza & al. 2022), Piem (Isocrono & al. 2004, Isocrono & Piervittori 2008), VA (Valcuvia 2000), Emil (Fariselli & al. 2020), Lig (Burgaz & al. 2020). C - Tosc (Burgaz & al. 2020), Laz (Ravera 2002b), Sar. S - Cal (Puntillo 1996).
Description: Primary thallus squamulose, the squamules persistent or evanescent, small (1-3 mm long, 0.5-1.5 mm broad), indented, greyish green to brownish above, white below, sometimes sorediate. Podetia elongate, hollow inside, grey to grey-brown, rarely melanotic at base, corticate only at base, non- or scarcely squamulose, 1-3(-6) cm tall, 2-6 mm thick, unbranched or sparingly branched in upper part, farinose-sorediate in upper part (soredia 17-50 μm in diam.), with narrow, irregular, perforated funnels, the margins often toothed and usually inrolled toward the perforation. Apothecia very rare, brown, convex, mostly marginal on cups. 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 frequent, on the margins of funnels, cylindrical, with a reddish jelly. Conidia hyaline, curved. Photobiont chlorococcoid. Spot tests: K-, C-, KC-, P-, UV+ white. Chemistry: squamatic acid in thallus, barbatic acid in apothecia, occasionally traces of thamnolic acid.
Note: a temperate to boreal-montane, circumpolar species found on rotting wood, mainly on old stumps, and on soil rich in humus, with a wide altitudinal range.
Growth form: Fruticose

Substrata: lignum, soil, terricolous mosses, and plant debris
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly asexual, by soredia, or soredia-like structures (e.g. blastidia)

Commonnes-rarity: (info)

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


Curtis Randall Björk – CC BY-SA 4.0
British Columbia, Boundary Ranges 2013-07-00 Mossy outcrop, montane


Triin Aimla; Owner: University of Tartu


Gabriele Gheza, Tromello (PV); Owner: Gabriele Gheza, Tromello (PV)


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


Gabriele Gheza, Tromello (PV); Owner: Gabriele Gheza, Tromello (PV)



Pier Luigi Nimis - CC BY-SA 4.0
TSB 38826



P.L. Nimis CC BY-SA 4.0
TSB 5117


Gabriele Gheza - https://lichenidilombardia.home.blog
Italy, Lombardia, Bergamo, Azzone, 1800 m
27/10/2017
with C. digitata


Gabriele Gheza - https://lichenidilombardia.home.blog
Italy, Lombardia, Bergamo, Azzone, 1800 m
27/10/2017
with C. digitata


Gabriele Gheza - https://lichenidilombardia.home.blog
Italy, Lombardia, Brescia, Ponte di Legno, 1750 m
08/2020