Mycomicrothelia confusa Trypetheliaceae
Mycomicrothelia confusa

Growth type crustose
Chemical results negative

Occurs on the smooth bark of Hazel (Corylus avellana) and other deciduous trees in shaded, humid woodlands

The blackish perithecia with a basal fringe are scattered, rarely confluent, on whitish or creamy areas of bark that are sometimes surrounded with a purplish-black line. Asci 8-spored, the spores greenish-brown, 1-septate, (15.5-)17.5-21(-25) x (6-)7-9(-10) Ám, the upper cell usually larger and rounder, the lower cell attenuated. Pycnidia unknown. Micrographs below

Similar: Mycoporum antecellens has larger spores


Mycomicrothelia confusa

Micrographs
Mycomicrothelia confusa

Mycomicrothelia confusa

Mycomicrothelia confusa

Mycomicrothelia confusa
Mycomicrothelia confusa
Photographs: On Oak, Broadstone, Dorset. November 2023

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