Kingdom Fungi | Genus Roccella Rank Species | |
Similar Roccella, Roccellaceae, Roccella canariensis, Dendrographa, Lecanora |
Roccella tinctoria is a species of fungus in the genus Roccella, homotypic synonym of Lecanora tinctoria (DC.) Czerwiak., 1849. It was first described by Augustin Pyramus de Candolle in 1805. It has the following varieties:

and formae:
Uses
It is used to make litmus, a mixture of several organic compounds.
Orcinol, a natural phenolic organic compound, occurs in many species of lichens including R. tinctoria.





References
Roccella tinctoria Wikipedia(Text) CC BY-SA