Enterographa crassa Roccellaceae
Enterographa crassa

Growth type crustose
Chemical reactions negative.

Common in southern England on shaded trees, occasionally on damp, sheltered rocks

Smooth or lumpy, grey, brown or olive-green thallus with black prothallus, often forming mosaics. Minute dark-brown, embedded apothecia (0.1-0.3mm) forming thread-like lines or dots. Asci 8-spored, the spores 5-7 septate, 28-38 x 4-6 Ám. Microscope photographs below.


Enterographa crassa

Enterographa crassa

Microscope photographs
Enterographa crassa

Enterographa crassa
Enterographa crassa
Holton Lee and Worth Matravers, Dorset. December 2012, 2016

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