Parmotrema tinctorum
# Parmotrema tinctorum

Parmotrema tinctorum is a lichen which belongs to the Parmotrema genus. The lichen is as known as the Palm Ruffle Lichen and is listed as secure by the Nature Conservatory.

## Description

Grows to around 3–30 cm in diameter with board dull smooth slightly shiny gray lobes that are 10–20 mm wide. The underside is black with naked brown areas with a central collection of simple rhizines.

## Habitat and range

Global distribution with a majority of samples being located in North America and Europe.

## Chemistry

Compounds derived from Parmotrema tinctorum have been found to have anti-cancer properties.

## Environmental monitoring

Parmotrema tinctorum has been identified and used as a candidate for monitoring air pollution.

