Acrocordia cavata Monoblastiaceae
Acrocordia cavata

Growth type crustose
Chemical results negative. Perithecial wall remains brown in K

The small perithecia are probably overlooked or mistaken for other species on basic-barked trees like Corylus, Fraxinus, Populus and Sambucus.

Thin greyish white thallus with small (0.3-0.6mm) perithecia that are half immersed. Spores 1-septate, 11-16.5 x 5.5-9.5 Ám. Micrographs below.

Similar: A. gemmata has larger perithecia and spores, Anisomeridium biforme, perithecial wall green in K, different spores and ascus apex


Acrocordia cavata

Microscope photographs
Acrocordia cavata

Acrocordia cavata
Acrocordia cavata
On Elder, Corfe Mullen, Dorset. January 2017

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