Acolium inquinans (Sm.) A. Massal.

Mem. Lichenogr.: 150, 1853. Basionym: Lichen inquinans Sm. in Smith & Sowerby - Engl. Bot., 12: 810, 1801.
Synonyms: Acolium neesii (Flot.) Körb.; Acolium tympanellum (Ach.) Gray; Calicium cembrinum Ach.; Calicium neesii Flot.; Calicium tympanellum Ach.; Cyphelium cembrinum (Ach.) Ach.; Cyphelium inquinans (Sm.) Trevis.; Cyphelium inquinans f. ollare Trevis.; Cyphelium neesii (Flot.) Trevis.; Cyphelium ollare Ach.; Cyphelium pileatum Ach.; Cyphelium subsimile (Nyl.) Trevis.; Cyphelium tympanellum (Ach.) Ach.
Description: Thallus crustose, episubstratic, granular, rimose-areolate to verrucose, usually thick and well developed, rarely thin and subimmersed, pale to dark grey. Apothecia abundant, sessile or somewhat immersed, 0.8-1.5(-2.5) mm across, 0.4-0.7 mm high, short cylindrical to lenticular, with a black mazaedium and a faint white pruina on the outer surface of the margin. Exciple brown, 80-170 µm thick laterally, of strongly sclerotized, interwoven hyphae, with an outer, 6-9 µm thick, gelatinous layer, strongly thickened at base (up to 450 µm high); hypothecium dark brown, up to 170 µm high, of periclinally arranged, sclerotized hyphae. Asci cylindrical, formed singly from hooked ascogenous hyphae, persisting until the spores are nearly ripe, with uniseriately arranged spores. Ascospores 1-septate, slightly constricted at septum, brown, broadly ellipsoid, 14-19(-21) x (7.5-)8-11 µm, with an ornamentation of mainly longitudinally arranged, minute ridges in young spores, later disrupted by a few irregular cracks, the surface appearing striated. Pycnidia spherical to slightly flattened, semi-immersed in the thallus, initially with a punctiform ostiole, later with an irregularly split ostiolar area, with branched conidophores. Conidia simple, hyaline, cylindrical, 3-4 x 1 µm, tapering at one end. Photobiont chlorococcoid. Spot tests: thallus K+ yellow to reddish brown, C-, KC-, P-, P+ pale yellow or P+ yellowish red. Chemistry: placodiolic acid, plus sometimes a yellow, unidentified pigment, and other unidentified substances.
Growth form: Crustose
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly sexual

Commonnes-rarity: (info)

Alpine belt: absent
Subalpine belt: extremely rare
Montane belt: very rare
Dry submediterranean belt: extremely rare
Humid submediterranean belt: extremely rare
Padanian area: 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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Rarity

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Occurrence data
Predictive map

Andres Saag; Owner: University of Tartu


D. Puntillo CC BY-SA 04


Leif Stridvall - Source: http://www.stridvall.se/lichens/gallery/
Courtesy: Anita Stridvall


Leif Stridvall - Source: http://www.stridvall.se/lichens/gallery/
Courtesy: Anita Stridvall


Leif Stridvall - Source: http://www.stridvall.se/la/galleries.php (Courtesy: Anita Stridvall)


Domenico Puntillo CC BY-SA 4.0


P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (9928)
2001/11/23


Domenico Puntillo CC BY-SA 4.0


Joël Querellou - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=659&lang=en
France, Lampaul-Plouarzel


Joël Querellou - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=659&lang=en
France, Lampaul-Plouarzel


Joël Querellou - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=659&lang=en
France, Lampaul-Plouarzel


Joël Querellou - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=659&lang=en
France, Lampaul-Plouarzel


Joël Querellou - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=659&lang=en
France, Lampaul-Plouarzel


Felix Schumm - CC BY-SA 4.0
[VZR328], Italia. Calabria. Consenza in Sila Grande, in loco Vallone Fossiata dicto, 1280 m. Ad corticem arboris (Abies alba). Leg. D. Puntillo, 23.04.1989. EX A. VEZDA: LICHENES RARIORES EXSICCATI NO. 328


Felix Schumm - CC BY-SA 4.0
[VZR328], Italia. Calabria. Consenza in Sila Grande, in loco Vallone Fossiata dicto, 1280 m. Ad corticem arboris (Abies alba). Leg. D. Puntillo, 23.04.1989. EX A. VEZDA: LICHENES RARIORES EXSICCATI NO. 328


Felix Schumm - CC BY 4.0
[VZ1402], Suecia. Värmland. Tveta, Mossvik, 75 m. Ad corticem Alni glutinosae. Leg. S. W. Sundell (no. 10259), 2.5.1975. EX A. VEZDA: LICHENES SELECTI EXSICCATI NO. 1402.


Felix Schumm - CC BY 4.0
[VZ1402], Suecia. Värmland. Tveta, Mossvik, 75 m. Ad corticem Alni glutinosae. Leg. S. W. Sundell (no. 10259), 2.5.1975. EX A. VEZDA: LICHENES SELECTI EXSICCATI NO. 1402.


Felix Schumm - CC BY 4.0
[VZ2008], Jugoslavia. Crna Gora (Montenegro): montes Durmitor, loco Surdup dicto supra lacum Zminje jezero, 1500-1600 m. Ad corticem arborum (Abies) in silva virginea. Leg. A. Vezda, 20.8.1984. EX A. VEZDA LICHENES SELECTI EXSICCATI NR. 2008.


Felix Schumm - CC BY 4.0
[VZ2008], Jugoslavia. Crna Gora (Montenegro): montes Durmitor, loco Surdup dicto supra lacum Zminje jezero, 1500-1600 m. Ad corticem arborum (Abies) in silva virginea. Leg. A. Vezda, 20.8.1984. EX A. VEZDA LICHENES SELECTI EXSICCATI NR. 2008.


Felix Schumm - CC BY 4.0
[VZ2131], Bohemoslovacia. Slovacia, montes Carpates Centrales, Tatra Magna, in valle Koprová dolina, secus viam ad lacum Temnosmre ianské pleso, 1400 m. Ad lignum trunci (Picea excelsa). Leg. E. Farkas et A. Vezda, 23.06.1986. EX A. VEZDA: LICHENES SELECTI EXSICCATI NO. 2131.


Felix Schumm - CC BY 4.0
[VZ2131], Bohemoslovacia. Slovacia, montes Carpates Centrales, Tatra Magna, in valle Koprová dolina, secus viam ad lacum Temnosmre ianské pleso, 1400 m. Ad lignum trunci (Picea excelsa). Leg. E. Farkas et A. Vezda, 23.06.1986. EX A. VEZDA: LICHENES SELECTI EXSICCATI NO. 2131.


Felix Schumm - CC BY 4.0
[VZ2131], Bohemoslovacia. Slovacia, montes Carpates Centrales, Tatra Magna, in valle Koprová dolina, secus viam ad lacum Temnosmre ianské pleso, 1400 m. Ad lignum trunci (Picea excelsa). Leg. E. Farkas et A. Vezda, 23.06.1986. EX A. VEZDA: LICHENES SELECTI EXSICCATI NO. 2131.


Felix Schumm - CC BY 4.0
[VZ2131], Bohemoslovacia. Slovacia, montes Carpates Centrales, Tatra Magna, in valle Koprová dolina, secus viam ad lacum Temnosmre ianské pleso, 1400 m. Ad lignum trunci (Picea excelsa). Leg. E. Farkas et A. Vezda, 23.06.1986. EX A. VEZDA: LICHENES SELECTI EXSICCATI NO. 2131.


Felix Schumm - CC BY 4.0
[VZ2131], Bohemoslovacia. Slovacia, montes Carpates Centrales, Tatra Magna, in valle Koprová dolina, secus viam ad lacum Temnosmre ianské pleso, 1400 m. Ad lignum trunci (Picea excelsa). Leg. E. Farkas et A. Vezda, 23.06.1986. EX A. VEZDA: LICHENES SELECTI EXSICCATI NO. 2131.


Felix Schumm - CC BY 4.0
[VZ2131], Bohemoslovacia. Slovacia, montes Carpates Centrales, Tatra Magna, in valle Koprová dolina, secus viam ad lacum Temnosmre ianské pleso, 1400 m. Ad lignum trunci (Picea excelsa). Leg. E. Farkas et A. Vezda, 23.06.1986. EX A. VEZDA: LICHENES SELECTI EXSICCATI NO. 2131.