ITALIC 8.0

Calicium lecideinum (Nyl.) M. Prieto & Wedin

Fungal Divers., 2016 (MB 817534). Basionym: Trachylia lecideina Nyl. - Mém. Soc. Sc. Nat. Cherbourg: 3: 199, 1855.

Synonyms: Cyphelium lecideinum (Nyl.) Trevis.; Cyphelium zahlbruckneri Samp.

Distribution: C - Tosc (Tretiach 2004, Puntillo & Puntillo 2009), Sar (Puntillo & Puntillo 2009).

Description: Thallus crustose, episubstratic, rimose to usually verrucose, grey, the surface and the medulla inspersed with coarse granular crystals. Apothecia sessile, 0.3-0.8 mm across, 0.1-0.3 mm tall, at first subcylindrical, then lenticular, the disc covered with a black mazaedium, the margin white-pruinose. Exciple 28-60 μm wide laterally, up to 100 μm wide at base, of densely interwoven, sclerotized, dark-coloured hyphae; hypothecium dark brown to black, 100-130 μm high, the upper surface convex, of dark brown, sclerotized, intertwined hyphae. Asci cylindrical, dissolving early, with uniseriately arranged spores. Ascospores 1-septate, clearly constricted at septum, brown, ellipsoid with pointed ends, 7-14 x 4-7 μm, with an ornamentation of spirally arranged ridges. Photobiont chlorococcoid. Spot tests: thallus K+ yellow usually turning red, C-, KC-, P+ yellow-orange. Chemistry: thallus either with norstictic acid, atranorin and chloroatranorin, or, rarely, with norstictic acid only.

Note: a mild-temperate lichen found beneath overhanging surfaces of siliceous rocks in humid situations; certainly very rare and probably confined to Tyrrhenian Italy.

Growth form: Crustose

Substrata: rocks

Photobiont: green algae other than Trentepohlia

Reproductive strategy: mainly sexual

Most common in areas with a humid-warm climate (e.g. most of Tyrrenian Italy)

In underhangs rarely wetted by rain

Commonnes-rarity: (info)

Alpine belt: absent

Subalpine belt: absent

Oromediterranean belt: absent

Montane belt: extremely rare

Submediterranean belt: absent

Padanian area: absent

Humid submediterranean belt: extremely rare

Humid mediterranean belt: extremely rare

Dry mediterranean belt: absent

pH of the substrata:

1

2

3

4

5

(info)

Solar irradiation:

1

2

3

4

5

(info)

Aridity:

1

2

3

4

5

(info)

Eutrophication:

1

2

3

4

5

(info)

Poleotolerance:

0

1

2

3

(info)

Altitudinal distribution:

1

2

3

4

5

6

(info)

Predictive model

Herbarium samples

Index Fungorum GBIF

D. Puntillo CC BY-SA 4.0

P.L. Nimis; Owner: Department of Life Sciences, University of Trieste

Herbarium: TSB (6287)
2002/05/13

P.L. Nimis; Owner: Department of Life Sciences, University of Trieste

Herbarium: TSB (35035)
2002/05/16

Domenico Puntillo CC BY-SA 4.0