Leptorhaphis amygdali (A. Massal.) Zwackh

Flora, 65: 565, 1862. Basionym: Campylacia amygdali A. Massal. - Sched. Crit., 10: 184, 1856.
Synonyms: Leiophloea amygdali (A. Massal.) Trevis.; Sagedia amygdali (A. Massal.) Jatta
Distribution: N - Ven (Lazzarin 2000b). S - Pugl.
Description: Thallus inapparent, not lichenized. Perithecia black, shiny, smooth, scattered singly, ellipsoid, 0.18-0.3 mm across, hemispherical to flattened, mammiform, surrounded by a dark fringe, with a central ostiole located in a small depression. Involucrellum greenish-black, c. 15-18 µm thick, extending beyond the perithecium in a long basal fringe composed of bark material mixed with green-black, smooth, thin- walled, c. 4-5.5 µm thick hyphae constricted at septa, reacting K/I+ reddish brown, forming a clypeus of elongated, radiating cells of textura intricata, becoming in places pseudoparenchymatous; exciple not differentiated; pseudoparaphyses c. 1.5-2 µm thick; hymenial gel I+ blue. Asci 8-spored, clavate, bi- and fissitunicate, with a rounded to truncate apex and biseriately arranged spores. Ascospores 1-septate, hyaline, fusiform with pointed apices, curved, (25-)30-38 x 3-4.5 µm. Photobiont absent. Spot tests: K-, C- KC-, P-. Chemistry: without lichen substances.
Note: mostly on Prunus dulcis, but also on Olea and other trees.
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: rare
Padanian area: absent
Humid submediterranean belt: absent
Humid mediterranean belt: absent
Dry mediterranean belt: very rare

pH of the substrata:


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Altitudinal distribution:


Predictive model