Patellaria atrata v1.0
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Black apothecia on host surface
Black apothecia on host surface
Image Credit: Pedro Crous
Vertical section through apothecium, showing asci, ascospores and pseudoparaphyses
Vertical section through apothecium, showing asci, ascospores and pseudoparaphyses
Image Credit: Pedro Crous

Patellaria atrata (Patellariales, Patellariaceae) produces bitunicate asci on black, disk-shaped fruiting bodies (apothecia). This saprotrophic fungus colonizes preferentially exposed phloem fibers of wood and the decay mode resembles a white rot. The fungus has a tendency to occur in the canopy of floodplain forests but the exact nutritional strategy is unknown. Patellaria atrata delignifies branches that are 1 – 2.5 cm in diameter and is often found associated with Rabenhorstia cf. tiliae (anamorph of Hercospora), which has similar ecological requirements.

 

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