Irish lichens

Dermatocarpon meiophyllizum
Order: Verrucariales       Family: Verrucariaceae

Species: Dermatocarpon meiophyllizum

Growth type foliose.
Photos: On rock in stream. Ballingeary, Cork, SW Ireland.
Specimen identified by Mike Simms

Light to dark brown or greyish-brown thallus, 8-18mm diam, pruina absent or thin. Lower surface dark or black-brown, attached by central holdfast. Lobes usually smooth, rarely folded or wrinkled. Intermediate in size between D. luridum and D. leptophyllodes.

Found on intermittently-submerged siliceous rocks by streams, rivers and lakes. Chemical reactions negative.


Dermatocarpon meiophyllizum


Dermatocarpon meiophyllizum


Dermatocarpon meiophyllizum
Above: Dermatocarpon meiophyllizum with Dermatocarpon luridum. May 2009

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