Porina curnowii A.L. Sm.

J. Bot., London, 49: 44, 1911.
Synonyms:
Distribution: C - Sar (TSB 13201).
Description: Thallus crustose, thinly episubstratic, dull grey-brown, continuous to rimose. Perithecia black, prominent, hemispherical, 0.3-0.5 mm across, sometimes aggregated into small clusters. Involucrellum dull purple-violet, K+ dark grey or grey-brown, HCl+ red-purple to red-brown (Pseudosagedia-violet pigment); hamathecium of simple paraphyses; hymenial gel I-, K/I-. Asci 8-spored, clavate-cylindrical, thin-walled, functionally unitunicate, I-, K/I-, the apex rounded, without ring structure. Ascospores (6-)7(-9)septate, hyaline, narrowly fusiform to subcylindrical, 34-55 x 3-5 μm, with rounded ends but usually tapering towards one end, without a distinct perispore. Photobiont trentepohlioid. Spot tests: thallus K-, C-, KC-, P-. Chemistry: thallus without lichen substances.
Note: a rare species of shaded and humid faces of siliceous rocks at low elevations. The only sample from Italy (Sardinia, Capo Ferrato, SE coast) has poorly developed spores, and the identification is not fully certain.
Growth form: Crustose
Substrata: rocks
Photobiont: Trentepohlia
Reproductive strategy: mainly sexual
Most common in areas with a humid-warm climate (e.g. most of Tyrrenian Italy)

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: extremely rare
Dry mediterranean belt: absent

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


P.L. Nimis CC BY-SA 04
TSB 13201



P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (13201)
2002/05/22