Pseudevernia furfuracea

Pseudevernia furfuracea is a fruticose lichen that grows on tree bark and rocks. Its aromatic compounds are harvested for use in perfumery.

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Lichen: A lichen is a stable association between a fungus and a photosynthetic partner, usually an alga or cyanobacterium. This species is a lichen whose fungal body houses photosynthetic partners.
Oakmoss: Oakmoss is a lichen-derived fragrance material, chiefly associated with Evernia prunastri. It is a related lichen fragrance material often compared with extracts from this species.
Lichen substance: A lichen substance is a secondary metabolite produced by a lichen, often deposited on or within its fungal tissues. Its aromatic chemistry includes secondary metabolites characteristic of lichen tissues.
Pseudevernia intensa: Pseudevernia intensa is a species of fruticose lichen in the genus Pseudevernia. This congener provides a close taxonomic comparison within the same genus.
Fruticose lichen: A fruticose lichen has a three-dimensional, shrubby or hairlike thallus attached to its substrate at a limited point. Its branched, shrub-like growth gives the species its fruticose form.
Treemoss: Treemoss is a fragrance material obtained mainly from Pseudevernia furfuracea and related lichens. This is the common perfumery material made from the species.
Atranorin: Atranorin is a lichen secondary metabolite found in many species and commonly deposited in the cortex. It is one of the compounds reported from this species.
Evernia prunastri: Evernia prunastri is a fruticose lichen widely harvested as the fragrance material oakmoss. It is the better-known moss lichen often confused or compared with treemoss.
Mycobiont: The mycobiont is the fungal partner in a lichen association. The fungal partner forms most of the visible body of this species.
Chypre: Chypre is a perfume family built around citrus, labdanum, and a mossy base accord. Treemoss extracts can contribute the characteristic mossy base of chypre perfumes.