Verrucaria maura, Hydropunctaria maura Verrucariaceae
Hydropunctaria maura (Verrucaria maura)

Growth type crustose
Chemical reactions negative

Forms the 'black zone' on coastal rocks and shingle, extending from below HWM to some distance above. Develops best on exposed shores

Areolate dark-brown to black thallus with rough, warted surface, often appearing like spilt oil. Conical perithecia, prominent to +/- immersed.

Verrucaria maura

Verrucaria maura
Verrucaria maura
Studland Bay, Dorset. February 2013

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