Leptorhaphis oleae (A. Massal.) Körb.

Parerga Lichenol.: 386, 1865. Basionym: Sagedia oleae A. Massal. - Symmicta Lich.: 96, 1855.
Synonyms: Leptorhaphis epidermidis var. olivetorum Samp.; Limboria oleae (A. Massal.) Trevis.
Distribution: N - Ven (Lazzarin 2000b), Lig. S - Camp (Nimis & Tretiach 2004, Garofalo & al. 2010).
Description: Thallus inapparent, not lichenized. Perithecia black, shiny, 0.2-0.3 mm across, circular to slightly ellipsoid, at first immersed, then half-projecting, flattened, mammiform, dimidiate. Involucrellum dark brown to greenish black, c. 15-20 μm thick, not extending beyond the perithecium in a basal fringe, composed of pieces of bark intermixed with greenish-black hyphae; exciple not differentiated from involucrellum; pseudoparaphyses 1.5-2 μm thick; hymenial gel I- or I+ yellow-orange. Asci 8-spored, cylindrical-clavate, bi- and fissitunicate, with a broad, truncate apical beak. Ascospores 3-5-septate, hyaline, fusiform, sometimes sigmoid, 30-40 x 3-4.5 μm, attenuated at apices. Photobiont absent. Spot tests: K-, C- KC-, P-. Chemistry: without lichen substances.
Note: most frequent on Olea.
Growth form: Fungus
Substrata: bark
Reproductive strategy: mainly sexual
Pioneer species

Commonnes-rarity: (info)

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


P.L. Nimis CC BY-SA 4.0
TSB 31393



P.L. Nimis; Owner: Department of Life Sciences, University of Trieste
Herbarium: TSB (31392)
2001/11/26