Tar lichen, (Verrucaria maura) is a lichen that forms a thin, matt-black layer on rock surfaces that can resemble an oil stain. Reproductive bodies ma

---

Tar lichen, (Verrucaria maura) is a lichen that forms a thin, matt-black layer on rock surfaces that can resemble an oil stain. Reproductive bodies may be present as tiny black spots. Under magnification the surface is seen to be covered with a mesh of fine cracks that resembles dried mud.

---

Size: 5760px × 3840px
Photo credit: © MARTYN F. CHILLMAID/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, beach, black, bodies, brittany, coastal, cracks, dried, fine, france, layer, lichen, littoral, magnification, matt-black, maura, mud, oil, reproductive, resemble, resembles, rock, splash, spots, stain, surface, surfaces, tar, verrucaria, zone