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Acrocordia conoidea
Nomenclature
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Family: MonoblastiaceaeGenus: Acrocordia
SUMMARY
Thallus mainly immersed, occasionally superficial and cracked, smooth or finely granular, effuse, pale grey or brownish grey, often with a pinkish tinge when fresh.
Anamorph: conidiomata pycnidia 140-200 µm diam., frequent, often numerous, hemispherical, with a black involucrellum. Conidiophores short and inconspicuous, with one to three conidiogenous cells in a fascicle at the apex. Conidiogenous cells 8-13 x 1-1.5 µm, rather irregular but usually cylindrical or gradually tapering, proliferation percurrent with well-developed periclinal thickening and sometimes a small collarette. Conidia 3-3.5 × 1.5-2 μm, ellipsoidal, aseptate, hyaline, thin- and smooth-walled, without an epispore, gelatinous sheath or appendages.
Teleomorph: ascomata perithecia, 0.5-1 mm diam., one quarter to half immersed, conical-hemispherical, the apices often flattened and with the ostiole projecting as a small papilla. Involucrellum spreading outwards away from the peridium. Asci 135-160 x 10.5-13 µm, cylindrical, with a short tapering stalk, the apex rounded, thick-walled and fissitunicate, the apical dome at least sometimes with with a broad ocular chamber surmounted by a hemispherical meniscus-like structure, not staining in iodine, usually 8-spored. Ascospores arranged uniseriately, 12-19 × 6-9 μm, ellipsoidal to cylindric-ellipsoidal, the ends mostly rounded but sometimes pointed, 1-septate, hardly constricted at the septum, occasionally with a thin secondary septum dividing each cell, hyaline, minutely warted (the ornamentation dissolves in K), without an epispore, gelatinous sheath or appendages.