Homonym: Rocella tinctoria (Dye)
Rocella tinctoria is a type of lichen that grows on rocks and trees, primarily in coastal areas. It is known for its ability to produce a natural dye called orcein, which has been used historically to color textiles. This lichen thrives in warm, humid environments and can be found in various regions around the world.
The dye extracted from Rocella tinctoria has been utilized since ancient times, particularly in the Mediterranean region. It is valued for its vibrant shades of purple and red, making it a popular choice for dyeing fabrics. Today, it is still of interest for sustainable dyeing practices in the textile industry.