Description: Encrusting thallus flat and thin up to 5 cms in diameter, thin margin without orbital rings. Conceptacles clearly raised.

Habitat: Common. Epilithic on rocks, stones, glass, shells etc also epiphytic on algae especially Furcellaria, Gracilaria, Chondrus and Palmaria.

Distribution: Mainly recorded on the southern shores of the British Isles, including Jersey in the Channel Isles. Has been found in the north of Ireland. Europe: France and Italy.

Similar Species: Other species of Pneophyllum.

Distribution Map from NBN: Pneophyllum myriocarpum at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Pneophyllum myriocarpum at iNaturalist World Species Observations database.

WoRMS: Pneophyllum myriocarpum at World Register of Marine Species. Accepted name: Pneophyllum myriocarpum (P.Crouan & H.Crouan) Y.M.Chamberlain, 1983. AphiaID: 145209.

Classification: Biota; Plantae; Biliphyta; Rhodophyta; Eurhodophytina; Florideophyceae; Corallinophycidae; Corallinales; Corallinineae; Corallinaceae; Chamberlainoideae; Pneophyllum