Verrucaria ochrostoma

Crustose Lichen

Verrucaria ochrostoma, Crustose Lichen. Thallus fawn brown and partially immersed into hard limestone rock. Reproductive structures are pit-like, called perithecia, immersed into the thallus..


1 / 4
Verrucaria ochrostoma, Crustose Lichen
Thallus with perithecia
2 / 4
Verrucaria ochrostoma, Crustose Lichen
Thallus with perithecia
3 / 4
Verrucaria ochrostoma, Crustose Lichen
Lichens on limestone
4 / 4
Verrucaria ochrostoma, Crustose Lichen
Lichen with rock crystals

Photograph detail


Slide 1: Verrucaria ochrostoma, Crustose Lichen on hard limestone. Thallus with perithecia. Collected from Redmire Quarry. July.


Slide 2: Verrucaria ochrostoma, Crustose Lichen on hard limestone. Thallus with perithecia. Collected from Redmire Quarry. July.


Slide 3: Verrucaria ochrostoma, Crustose Lichen on hard limestone (fawn brown), with Verrucaria nigrescens (dark grey), and Lathagrium auriforme (black). Redmire Quarry. July.


Slide 4: Verrucaria ochrostoma, Crustose Lichen on hard limestone. Squash of thallus and rock, showing lichen and calcite crystals. Collected from Redmire Quarry. Photographed at x400, brightfield illumination. July.