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 10th gravestone (likely from year 1994) there was abundant white crustose lichen.

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 10th gravestone (likely from year 1994) there was abundant white crustose lichen.