A study of the lichens in two cemeteries

Observation - A study of the lichens in two cemeteries . Description: A study of abundance of the lichens in two cemeteries. The lichens seen at each of the two cemeteries on different aged gravestones. On the 8th gravestone (likely from year 1924) there was abundant grey crustose lichen with black spores.

A study of abundance of the lichens in two cemeteries. The lichens seen at each of the two cemeteries on different aged gravestones. On the 8th gravestone (likely from year 1924) there was abundant grey crustose lichen with black spores.