IUCN threat status:

Not evaluated

Comprehensive Description

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General Description

 Colonies. With a daily growth rate of 3-4 mm, often sectored, with white, grey or olivaceous aerial mycelium, usually without coloured exudates, reverse often olivaceous. Ascomata. Maturing within 12-18 days, often developing in sectors of the colony, pale grey in reflected light, superficial, spherical or obovate, 140-240 μm, with a wide ostiolar pore and a reddish brown or violet blue wall of textura epidermoidea or intricata and sometimes textura angularis at base and around the pore, cells 2.5-3.5 μm broad or 4-7 μm diam.; ascomatal hairs usually of two types: the first type rather long, flexuous or undulate, often recurved or circinate at the apex, thick-walled, septate, brown, smooth or blistered, 4-6 μm thick, often with a broader basal cell, and the second type variable in length, often undulate or wavy, brownish, verrucose or spinulose, 2-3.5 μm thick (one or the other of the hair types or even both may be absent). Asci. Clavate or obovate, stalked, 8-spored, evanescent, 30-52 × 15-22 μm. Ascospores. Ellipsoidal, often attenuated at the ends, brown when mature, 13-17 × 7-9 μm, with a distinct apical germ pore and usually with 3 darker, longitudinal bands (striae). Paraphyses. Not observed. 

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© Ahmed Abdel-Azeem

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