Dimerella lutea Coenogoniaceae
Coenogonium luteum (Dimerella lutea)

Growth type crustose
Chemical results negative

Occurs over mosses on soil and bark and occasionally on rocks in shady, damp old woodland

Thin light green-grey thallus, orange apothecia with paler margins, appearing +/- translucent in wet conditions. Pale yellow pycnidia are occasionally produced. Spores colourless, 1-septate. Apothecia possibly seasonal.

Similar: Dimerella pineti. Caloplaca species are K+ red.

Dimerella lutea

Dimerella lutea
Dimerella lutea
On Oak. Holton Lee, Dorset. March 2013

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