Rhizocarpon reductum

Rhizocarpon reductum

The bottom image looks a little like a world map of some alien planet rolled out flat, yet this shows Rhizocarpon reductum growing amongst other species of lichen atop an old canal bridge coping stone.

A cructose lichen which is light to dark grey in colour, aereolate forming patches on the substrate. The discs are black with variable flat to pronounced convex surfaces.

Rhizocarpon reductum

Found on silica-rich rocks and old man-made structures. Common and widespread.

Rhizocarpon reductum

Photographs of Rhizocarpon reductum, taken March 2012 on old canal coping stone, Staffordshire. © Pete Hillman 2012. Camera used Panasonic Lumix DMC-FZ38.

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