Parmelia, also known as "folklore lichen," is a type of lichen that grows on trees and rocks in moist areas. While there aren't many synonyms for this specific type of lichen, there are other terms that may refer to lichen in general. These include green algae, moss, and fern. Lichen is known for its resilience and ability to survive in harsh environments, and it's often used as a bioindicator for air pollution. It has also been used for medicinal purposes and has cultural significance in some societies. Whether you call it parmelia or lichen, there's no denying the unique qualities of these organisms.