Black Stone Flower lichen

Description:

A relatively large, foliose species with smooth thallus, pearl-grey when dry, more greenish when damp, with very short, inconspicuous and often sparse, black, marginal cilia, underside black, with simple rhizines and a bare, tan-coloured zone towards the margin, soralia well delimited, marginal and apical; apothecia rare.

Habitat:

Found in woods near Tokul creek.