Lecania cyrtellina (Nyl.) Sandst.

Abh. Naturw. Ver. Bremen, 21: 184, 1912. Basionym: Lecanora cyrtellina Nyl. - Flora 56: 18, 1873.
Synonyms: Lecaniella cyrtellina (Nyl.) S.Y. Kondr.; Lecidea cyrtellina (Nyl.) Lettau
Description: Thallus crustose, thinly episubstratic, smooth to slightly granular-verrucose, continuous to slightly rimose, whitish, yellowish white or greenish white, poorly delimited. Apothecia lecanorine at least when young, sessile, often clustered, 0.1-0.3(-0.5) mm across, with a soon convex, beige to pale orange-brown disc which is translucent and brown-mottled when moist, a soon excluded, thin, dull whitish to pale brown thalline margin, and a usually dark parathecial ring. Proper exciple thin, brownish; epithecium pale yellow; hymenium colourless, 30-40(-45) µm high, I+ blue turning reddish; paraphyses coherent, the apical cells 2.5-4.5 µm wide; hypothecium colourless. Asci 8-spored, clavate, with a K/I+ blue apical dome penetrated by a narrow, K/I- apical cushion surrounded by a narrow, deeply K/I+ blue zone, the wall K/I- but surrounded by an I+ red-brown, K/I+ blue outer layer, the ocular chamber relatively small, Biatora-type. Ascospores 1-celled to more rarely 1-septate, hyaline, narrowly ellipsoid, (8-)9-10(-12) x 2-3 µm. Pycnidia dark, immersed. Microconidia curved, 12-18 x c. 0.5 µm; macroconidia 0-1-septate, crescent-shaped, 10-15(-18) x 1.5-2 µm, without a gelatinous perispore. Photobiont chlorococcoid. Spot tests: thallus K-, C-, KC-, P-, UV-. Chemistry: without lichen substances.
Growth form: Crustose
Substrata: bark
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly sexual

Commonnes-rarity: (info)

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

pH of the substrata:

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Poleotolerance:

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Rarity

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Predictive map

Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_L/Texte_L_5/Lecania_cyrtellina.htm
France, Ajaccio - Corse
18/10/2018


Felix Schumm – CC BY-SA 4.0
[13252], Baden-Württemberg, Kreis Göppingen, SW Oberberken, an Sorbus in Waldlichtung bei der Triebhütte an der Beckenschlagstr. Richtung Baiereck, ca. 500 m, TK 7223, Schumm, 29.07.2007.


Felix Schumm – CC BY-SA 4.0
[13252], Baden-Württemberg, Kreis Göppingen, SW Oberberken, an Sorbus in Waldlichtung bei der Triebhütte an der Beckenschlagstr. Richtung Baiereck, ca. 500 m, TK 7223, Schumm, 29.07.2007.


Felix Schumm – CC BY-SA 4.0
[13252], Baden-Württemberg, Kreis Göppingen, SW Oberberken, an Sorbus in Waldlichtung bei der Triebhütte an der Beckenschlagstr. Richtung Baiereck, ca. 500 m, TK 7223, Schumm, 29.07.2007.


Felix Schumm – CC BY-SA 4.0
[13252], Baden-Württemberg, Kreis Göppingen, SW Oberberken, an Sorbus in Waldlichtung bei der Triebhütte an der Beckenschlagstr. Richtung Baiereck, ca. 500 m, TK 7223, Schumm, 29.07.2007.


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


Felix Schumm – CC BY-SA 4.0
[13630]


Felix Schumm – CC BY-SA 4.0
[13630]


Felix Schumm – CC BY-SA 4.0
[13630]


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


P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (17132)
2002/12/13


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_L/Texte_L_5/Lecania_cyrtellina.htm
France, Ajaccio - Corse
18/10/2018


Felix Schumm – CC BY-SA 4.0


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_L/Texte_L_5/Lecania_cyrtellina.htm
France, Ajaccio - Corse
18/10/2018


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_L/Texte_L_5/Lecania_cyrtellina.htm
France, Ajaccio - Corse
18/10/2018


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_L/Texte_L_5/Lecania_cyrtellina.htm
France, Ajaccio - Corse
18/10/2018


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_L/Texte_L_5/Lecania_cyrtellina.htm
France, Ajaccio - Corse
18/10/2018


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=701&lang=en
France, Ardennes


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=701&lang=en
France, Ardennes


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=701&lang=en
France, Ardennes


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=701&lang=en
France, Ardennes


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=701&lang=en
France, Ardennes


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=701&lang=en
France, Ardennes


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=701&lang=en
France, Ardennes


Jacques Haine - Source: http://www.lichensmaritimes.org/index.php?task=fiche&lichen=701&lang=en
France, Ardennes


Sebastiano Dose - CC BY 4.0
Armenia, Tavush Province, Dilijan National Park, close to the Haghartsin Monastery, on Crategus and Quercus trees about 300 m before entering the area of the monastery, close to the main road. 40°48’10” N/ 44°53’32” E, ca. 1440 m, 27.09.2024. leg., Dose, Nimis & Muggia TSB 45091