Parmotrema tinctorum, also known as the palm ruffle lichen, belongs to the Parmotrema genus. It is listed as secure by the Nature Conservatory.
Description
This lichen grows to around 3–30 cm in diameter, with broad dull smooth slightly shiny gray lobes that are 10–20 mm wide. The underside is black with naked brown areas, and a central collection of simple rhizines. == Habitat and range ==
Habitat and range
This lichen has global distribution, with a majority of samples being located in North America and Europe. == Chemistry ==
Chemistry
Compounds derived from Parmotrema tinctorum have been found to have anti-cancer properties. == Environmental monitoring==
Environmental monitoring
Parmotrema tinctorum has been identified and used as a candidate for monitoring air pollution. == See also ==