Irish lichens


Order: Lecanorales       Family: Micareaceae

Species: Micarea lignaria var. lignaria

Growth type crustose, granular.
Photos: Ballingeary, Co. Cork, SW Ireland.

Thallus of whitish, pale grey or grey-green granules, usually with abundant globose blackish apothecia. Asci 8-spored, the spores hyaline, 3-7 septate, 16-36 x 4-6 Ám. Pycnidia are +/- immersed. Micrographs below.

Common throughout Ireland on acidic substrates. Often found on moss or plant debris, also on peat, timber, shaded rocks and walls.
Thallus: K-, C-, KC-, P+ red. Apothecial section C-

Similar: Micarea lignaria var. endoleuca. C+ yellow-orange, P-


Micarea lignaria var lignaria

Micarea lignaria var lignaria

Micrographs
Micarea lignaria var lignaria

Micarea lignaria var lignaria
Micarea lignaria var. lignaria. September 2009

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