Caloplaca marina Teloschistaceae
Caloplaca marina

Growth type crustose
Chemical results: K+ crimson

On hard coastal rocks, pebbles and cement, often with C. thallincola

Variable. Thallus continuous and areolate or fragmented and granular, orange or yellow-orange, the small deeper-orange apothecia with thin, paler margins. Well-developed specimens sometimes form areoles with small lobes.

Similar: Caloplaca maritima. Yellower thallus usually with pale prothallus


Caloplaca marina


Caloplaca marina


Caloplaca marina
Caloplaca marina
Dancing Ledge, Dorset, February 2013 and Warren Shore, Hants, November 2013

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