Lecania polycycla (Anzi) Lettau

Hedwigia, 52: 199, 1912. Basionym: Rinodina polycycla Anzi - Comm. Soc. Critt. Ital., 2, 1: 9, 1864.
Synonyms: Lecania amblyospora (Harm.) Zahlbr.; Lecania genevensis (Müll. Arg.) Lettau
Distribution: N - Ven, Piem (Jatta 1909-1911). C - Marc (Nimis & Tretiach 1999). S - Camp, Si (Nimis & al. 1996b, Grillo 1998, Caniglia & Grillo 2001, 2006, Grillo & Caniglia 2004, Grillo & al. 2007b).
Description: Thallus crustose, episubstratic, thin, rimose-granulose, whitish grey, grey-brown to greenish black. Apothecia lecanorine, usually clustered, 0.3-0.6 mm across, with a dark brown to black (pale brown when wet), flat to slightly convex disc, and a finally often excluded, whitish grey thalline margin. Thalline exciple clearly lecanorine, corticate, the medulla rich in algae; proper exciple thin to moderately thick, pale to dark brown in outer part, paler within; epithecium brown; hymenium colourless, 45-55 µm high; paraphyses coherent, branched in upper part, swollen at apex, the apical cells up to 5.5 µm wide, with a dark cap. Asci 8-spored, narrowly clavate, with a K/I+ blue tholus and a central non-amyloid area, Bacidia-type. Ascospores 1-septate, often slightly constricted at septa, hyaline, ellipsoid, 8-12 x 4-5.5 µm, thin-walled. Photobiont chlorococcoid. Spot tests: thallus K-, C-, KC-, P-, UV-. Chemistry: without lichen substances.
Note: a mainly temperate species of calcareous rocks, sometimes also occurring on concrete walls.
Growth form: Crustose
Substrata: rocks
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly sexual

Commonnes-rarity: (info)

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

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


P.L. Nimis CC BY-SA 04
TSB 24264



Felix Schumm - CC BY-SA 4.0
[B 60 0163330] Turkey, Prov. Trabzon, Arakli District, Konakonu, on siliceous rock, accomp. Lecania polycycla (Anzi) Lettau. 40°57.3'N, 40°02.9' E, 3 m. Leg. Kadir Kinalioglu (1561), 12 August 2006



Felix Schumm - CC BY-SA 4.0
[B 60 0163330] Turkey, Prov. Trabzon, Arakli District, Konakonu, on siliceous rock, accomp. Lecania polycycla (Anzi) Lettau. 40°57.3'N, 40°02.9' E, 3 m. Leg. Kadir Kinalioglu (1561), 12 August 2006



Felix Schumm - CC BY-SA 4.0
[B 60 0163330] Turkey, Prov. Trabzon, Arakli District, Konakonu, on siliceous rock, accomp. Lecania polycycla (Anzi) Lettau. 40°57.3'N, 40°02.9' E, 3 m. Leg. Kadir Kinalioglu (1561), 12 August 2006



Felix Schumm - CC BY-SA 4.0
[B 60 0163330] Turkey, Prov. Trabzon, Arakli District, Konakonu, on siliceous rock, accomp. Lecania polycycla (Anzi) Lettau. 40°57.3'N, 40°02.9' E, 3 m. Leg. Kadir Kinalioglu (1561), 12 August 2006



Felix Schumm - CC BY-SA 4.0
[B 60 0163330] Turkey, Prov. Trabzon, Arakli District, Konakonu, on siliceous rock, accomp. Lecania polycycla (Anzi) Lettau. 40°57.3'N, 40°02.9' E, 3 m. Leg. Kadir Kinalioglu (1561), 12 August 2006



Felix Schumm - CC BY-SA 4.0
[B 60 0163330] Turkey, Prov. Trabzon, Arakli District, Konakonu, on siliceous rock, accomp. Lecania polycycla (Anzi) Lettau. 40°57.3'N, 40°02.9' E, 3 m. Leg. Kadir Kinalioglu (1561), 12 August 2006



P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (24264)
2002/01/02



Felix Schumm - CC BY-SA 4.0
[B 60 0163330] Turkey, Prov. Trabzon, Arakli District, Konakonu, on siliceous rock, accomp. Lecania polycycla (Anzi) Lettau. 40°57.3'N, 40°02.9' E, 3 m. Leg. Kadir Kinalioglu (1561), 12 August 2006



P.L. Nimis CC BY-SA 4.0
TSB 24264


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_L/Texte_L_4/Lecania_polycycla.htm
France, Pré des Fabres, col de la Cayolle 2022 m
23/7/2014


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_L/Texte_L_4/Lecania_polycycla.htm
France, Pré des Fabres, col de la Cayolle 2022 m
23/7/2014


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_L/Texte_L_4/Lecania_polycycla.htm
France, Pré des Fabres, col de la Cayolle 2022 m
23/7/2014


Courtesy Danièle et Olivier Gonnet - Source: https://www.afl-lichenologie.fr/Photos_AFL/Photos_AFL_L/Texte_L_4/Lecania_polycycla.htm
France, île Cavallo, 29 m - Corse
14/3/2014