Observation 272267: Melaspilea Nyl.

When: 2017-03-11

Collection location: Serra de Montejunto, Portugal [Click for map]

Who: zaca

No specimen available

Notes:
There is a group of Melaspilea spp. known to live parasitic on Graphis, Pheographis, Pertusaria, Pyrenula and other genera as well. Particularly, M. lentiginosa is commonly referred to parasitise Pheographis dendritica. These can be the protagonists of this observation, though the thalli of each species seem to be separated, but alternating in the small trunk of the host (Castanea sativa).

Images

Microscopy: Apothecial sections (x100&x400, in water and in cresyl blue);
Microscopy: Asci ans spores (x400, in water and in cresyl blue).

Proposed Names

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Comments

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Microscopy added. Melaspilea lentiginosa ruled out.
By: zaca
2017-03-19 17:07:11 CDT (-0400)