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Chaetomium cochliodes
Nomenclature
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Family: ChaetomiaceaeGenus: Chaetomium
SUMMARY
Anamorph: not known.
Teleomorph: ascomata perithecia, superficial, 200–440 μm high and 140–420 μm diam., ellipsoidal or subglobose, greenish olivaceous to dark citrine in reflected light owing to ascomatal hairs. Ascomatal wall brown, in surface view composed of intertwined hyphae. Terminal hairs conspicuously rough, dark brown, erect in the lower part, 3.5–6 μm diam. near the base, tapering and becoming paler towards the tips, helically coiled in the upper part, usually with coils regularly tapering in diameter towards the tips, occasionally with coiled branches. Lateral hairs brown, flexuous, undulate or loosely coiled, tapering and becoming paler towards the tips. Asci fasciculate, fusiform or clavate, spore-bearing part 30–45 × 13.5–21 μm, stalks 28–56 μm long, evanescent, 8-spored. Ascospores arranged biseriately, (8.5–) 9–10.5 (–11) × (7–) 7.5–9 (–9.5) × 5.5–6.5 μm, broadly limoniform, usually apiculate at both ends, with one lateral wall flattened, brown when mature, with an apical germ pore.
Description adapted from Wang et al. (2016).