Lichina confinis (O.F. Müll.) C. Agardh

Spec. Algar., 1: 105, 1821. Basionym: Lichen confinis O.F. Müll. - Fl. Dan., 5: 5, 1782.
Synonyms: Lichina confinis var. elisabethae (A. Massal.) Jatta; Lichina elisabethae A. Massal.; Lichina transfuga (Nyl.) Zahlbr.
Distribution: N - Lig. C - Tosc, Laz. S - Camp (Lazzarin 2000b), Pugl, Bas (Bartoli & Puntillo 1998), Cal (Puntillo 1996, Vezda Lich. Rar. Exs. 329), Si (Grillo 1998, Grillo & Caniglia 2004).
Description: Thallus small-fruticose, shrubby, shining dark olive-brown to black, gelatinous when wet, forming loose, 5-15 mm wide, small cushions, the central parts sometimes falling off, leaving a ring-shaped thallus. Branches ecorticate, more or less cylindrical, up to 0.2 mm thick and 3-5 mm tall, dichotomously branching. Hyphae arranged in a fountain-like pattern, with the photobiont in outer parts and a central hyphal strand. Apothecia lecanorine, almost perithecioid, globose, 0.2-0.3 mm across. developing at the tips of branches, with a punctiform, pale brown disc, and a thick thalline margin. Proper exciple poorly developed, of parallel hyphae; epithecium colourless to yellowish brown; hymenium colourless, K/I+ blue; paraphyses coherent, branched and anastomosing, the apical cells swollen; hypothecium colourless. Asci 8-spored, narrowly cylindrical, pointed at apex, with an I+ blue coat and a thin, soon disintegrating wall. Ascospores 1-celled, hyaline, ellipsoid, 12-21 x 10-15 µm. Pycnidia common, superficially similar to apothecia. Conidia 1-celled, bacilliform, 3-5 x c. 1 μm. Photobiont cyanobacterial (Calothrix, in tapering chains). Spot tests: K-, C-, KC-, P-, UV-. Chemistry: without lichen substances.
Note: a characteristic lichen found on rocks at the interface between the littoral and the mesic supralittoral belts; overlooked and perhaps more widespread, especially in Southern Italy, but certainly not common.
Growth form: Fruticose

Substrata: rocks
Photobiont: cyanobacteria, filamentous (e.g. Nostoc, Scytonema)
Reproductive strategy: mainly sexual
Taxon bound to maritime-coastal situations

Commonnes-rarity: (info)

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

Leif Stridvall http://www.stridvall.se/la/galleries.php


Leif Stridvall
Courtesy: Anita Stridvall


Leif Stridvall
Courtesy: Anita Stridvall


Leif Stridvall
Courtesy: Anita Stridvall


Leif Stridvall
Courtesy: Anita Stridvall


Leif Stridvall
Courtesy: Anita Stridvall


Leif Stridvall
Courtesy: Anita Stridvall


Zahlbruckner A. 1926. Lichenes (Flechten). In: Engler A. (ed.): Die natürlichen Pflanzenfamilien. 2nd ed., vol 8, W. Engelmann, Leipzig, 270 pp.


Zahlbruckner A. 1926. Lichenes (Flechten). In: Engler A. (ed.): Die natürlichen Pflanzenfamilien. 2nd ed., vol 8, W. Engelmann, Leipzig, 270 pp.


Leif Stridvall - Source: http://www.stridvall.se/la/galleries.php


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