ITALIC 7.0

Porina provincialis (Clauzade & Cl. Roux) Cl. Roux

in Roux & al., Bull. Soc. linn. Provence, 54: 131, 2003. Basionym: Porina oleriana var. provincialis Clauzade & Cl. Roux - Bull. Soc. Bot. Centre-Ouest, n. sér., nr. spéc. 7: 823, 1985.

Synonyms:

Distribution: N - VG (TSB 34051). S - Camp (TSB 31922), Pugl (TSB 22557).

Description: Thallus crustose, endosubstratic or more frequently thinly epilithic, greenish to reddish brown, almost continuous or finely cracked in older parts, adjacent thalli being often separated by a black line. Perithecia black, 0.2-0.4 mm across, c. one third-immersed in the rock. Involucrellum of thick-walled, more or less elongated cells, violaceous brown to black, adhering to the exciple and reaching the base of the perithecium; exciple colourless to pale brown; hamathecium of simple paraphyses; hymenial gel I-, K/I-. Asci 8-spored, clavate-cylindrical, thin-walled throughout, functionally unitunicate, dehiscent by rupture of the apex, with no extruded inner layers, I-, K/I-. Ascospores transversely 6-8-septate, exceptionally with an additional longitudinal septum, hyaline, fusiform, with one end usually broader than the other, 26-44 x 6-9 µm. Photobiont trentepohlioid. Spot tests: thallus K-, C-, KC-, P-. Chemistry: thallus without lichen substances.

Note: on shaded surfaces of calcareous or dolomitic rocks in lowland areas.

Growth form: Crustose

Substrata: rocks

Photobiont: Trentepohlia

Reproductive strategy: mainly sexual

Commonnes-rarity: (info)

Alpine belt: absent

Subalpine belt: absent

Oromediterranean belt: absent

Montane belt: absent

Submediterranean belt: rare

Padanian area: absent

Humid submediterranean belt: rather rare

Humid mediterranean belt: rather common

Dry mediterranean belt: very rare

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

P.L. Nimis CC BY-SA 04

TSB 35080