Lichenomphalia meridionalis (Contu & La Rocca) P.-A. Moreau & Courtec

Docum. Mycol., 34, 135: 50, 2008. Basionym: Omphalina meridionalis Contu & La Rocca - Fungi non Delineati, 9: 32-33, 1999.
Synonyms:
Distribution: C - Sar (Contu & La Rocca 1999, Barrasa & Esteve Raventós 2000, Barrasa & Rico 2001).
Description: Thallus crustose, episubstratic, forming a soft, gelatinous (when wet), green to dark green film made of 20-80 μm thick, globose granules consisting of clumps of algal cells incompletely surrounded by appressed pseudoparenchymatous hyphae with 5-12 μm wide angular cells. Clamp connections absent in all hyphae, except for interconnecting hyphae between granules. Basidiocarps not lichenized, with a 3.5-9 mm wide, convex to omphaloid, yellowish red, pale brown to reddish yellow cap with sinuous, striate margins, thick, whitish, broadly decurrent lamellae, and a terete, 5-15 mm high, 0.6-1.2 mm thick, brown to dark brown, often minutely white-tomentose stipe. Basidia clavate to subcylindrical, with (2-)4 sterigmata. Basidiospores 1-celled, hyaline, elongate to subcylindrical, 5-9 x 2.8-5.3 μm, thin-walled, with a prominent apiculus, I-. Photobiont chlorococcoid. Spot tests: all negative. Chemistry: thallus without lichen substances.
Note: a Mediterranean to Mediterranean-montane basidiolichen of acid soils, roadsides and opening of evergreen oak woodlands, often associated with Cistus-stands, to be looked for in other parts of Mediterranean Italy.
Growth form: Crustose
Substrata: soil, terricolous mosses, and plant debris
Photobiont: green algae other than Trentepohlia
Reproductive strategy: mainly sexual

Commonnes-rarity: (info)

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