Calicium corynellum (Ach.) Ach.

Meth. Lich.: 94, 1803. Basionym: Lichen corynellus Ach. - Lichenogr. Suec. Prodr.: 85, 1799.
Synonyms: Caliciella corynella (Ach.) Vain.; Calicium paroicum Ach. non auct.; Cyphelium chlorinum auct. ital. non (Ach.) Kremp.; Sphinctrina paroica (Ach.) Trevis.; Strongyleuma paroicum (Ach.) Vain. non auct.
Distribution: N - Ven (Puntillo & Puntillo 2009), TAA (Puntillo & Puntillo 2009), Lomb (Puntillo & Puntillo 2009), Piem (Isocrono & al. 2004, Puntillo & Puntillo 2009), VA (Puntillo & Puntillo 2009). C - Tosc (Puntillo & Puntillo 2009), Sar (Puntillo & Puntillo 2009). S - Bas (Ravera 2014b, Puntillo & Potenza 2014), Cal (Puntillo 1994, 1996, Puntillo & Puntillo 2009, Brackel & Puntillo 2016).
Description: Thallus crustose, episubstratic, rather thick and usually well-evident, granular to subleprose, greenish. Apothecia short-stalked, black with a thin whitish pruina which is most abundant on the lower side of capitulum. Stalk 0.4-0.6 mm high, of moderately sclerotized, dark, anticlinally arranged, irregularly interwoven hyphae. Capitulum lenticular, with a well-developed, cup-shaped exciple of largely anticlinally arranged hyphae; mazaedium well developed, black; hypothecium medium brown, with a flat upper surface. Asci clavate, formed singly, dissolving early, with 2-3 seriate ascospores. Ascospores 1-septate, constricted at septum, dark brown, ellipsoid, 12-16 x 4-6 µm, the wall thick, first with spirally arranged ridges, then coarsely cracked. Photobiont chlorococcoid. Spot tests: thallus K-, C-, KC-, P-; ascomata I- in all parts. Chemistry: thallus with rhizocarpic and usnic acids.
Note: a temperate, probably holarctic species found on underhanging faces of hard siliceous rocks in humid areas; probably more widespread, but never common.
Growth form: Crustose
Substrata: rocks
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly sexual
In underhangs rarely wetted by rain

Commonnes-rarity: (info)

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


pH of the substrata:

(info)

1

2

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4

5

Solar irradiation:

(info)

1

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3

4

5

Aridity:

(info)

1

2

3

4

5

Eutrophication:

(info)

1

2

3

4

5

Poleotolerance:

(info)

0

1

2

3

Altitudinal distribution:

(info)

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4

5





Domenico Puntillo – CC BY-SA 4.0
Italy, Calabria



P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (26121)
2003/03/12



E. Pittao; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (11836)
2008.03.10



E. Pittao; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (11836)
2008.03.10



E. Pittao; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (11836)
2008.03.10



E. Pittao; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (11836)
2008.03.10



E. Pittao; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (11836)
2008.03.10



E. Pittao; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (11836)
2008.03.10



E. Pittao; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (34219)
2008.03.10



E. Pittao; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (34219)
2008.03.10



Domenico Puntillo – CC BY-SA 4.0
Italy, Calabria



Domenico Puntillo – CC BY-SA 4.0
Italy, Calabria



Domenico Puntillo – CC BY-SA 4.0
Italy, Calabria



E. Pittao; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (34219)
2008.03.10



Domenico Puntillo – CC BY-SA 4.0
Italy, Calabria



Domenico Puntillo – CC BY-SA 4.0
Italy, Calabria



Domenico Puntillo – CC BY-SA 4.0
Italy, Calabria



Domenico Puntillo – CC BY-SA 4.0
Italy, Calabria



Domenico Puntillo - CC BY-SA 4.0
Italy



Domenico Puntillo - CC BY-SA 4.0
Italy



Domenico Puntillo - CC BY-SA 4.0
Italy



Domenico Puntillo - CC BY-SA 4.0
Italy



Domenico Puntillo - CC BY-SA 4.0
Italy



Domenico Puntillo - CC BY-SA 4.0
Italy



Domenico Puntillo - CC BY-SA 4.0
Italy



Domenico Puntillo - CC BY-SA 4.0
Italy