Mycoporaceae Mycoporum antecellens Growth type crustose Chemical results negative Found in old woodlands on smooth bark of Hazel, Beech, Holly and Rowan. NIEC 'Old woodland' indicator species White, greenish-white or light brown, non-lichenised thallus, the usually abundant tiny pycnidia intermixed with larger perithecia (0.2-0.4mm diam). Asci 8-spored, spores 1(-3) septate, 27-40 x 8-13 µm, becoming brown and +/- warted. Conidia bacilliform. Microscope photographs below. Known as 'Little and Large' owing to size of the pycnidia and perithecia Similar: Mycomicrothelia confusa has smaller spores

Microscope photographs





Mycoporum antecellens
Wessex Lichen Group meeting, New Forest, Hants, December 2012 and Badbury Rings, Dorset, January 2017