Alga on lime mortar

Photograph detail

Slide 1: Alga on lime mortar. Unidentified algal species with cells in a ring formation, growing on a north facing house wall, on lime mortar. White threads are spider silk. House in Redmire during wet weather. December.

Slide 2: Unidentified algal species with cells in a ring formation, collected from a north facing house wall, on lime mortar. House in Redmire during wet weather. Photographed at x100, brightfield illumination. December.

Slide 3: Unidentified algal species with cells in a ring formation, collected from a north facing house wall, on lime mortar. House in Redmire during wet weather. Photographed at x400, brightfield illumination. December.

Slide 4: Alga on lime mortar. Unidentified algal species growing on a north facing house wall, on lime mortar. White threads are spider silk. House in Redmire during wet weather. December.

Slide 5: Alga on lime mortar. Unidentified algal species growing on a north facing house wall, on lime mortar. White threads are spider silk. House in Redmire during wet weather. December.