(organic chemistry) Any salt or ester of lichenic acid

(biology) The symbiotic relationship that gives rise to a lichen.

plural of lichen

Covered in lichen. / Composed of lichen. / Resembling lichen.

plural of lichenate

(chemistry) An organic acid, C₁₄H₂₄O₃, obtained from Iceland moss. / (chemistry, obsolete) fumaric acid

Rhizocarpon geographicum, a lichen that grows in patches on rocks in mountainous areas, giving the appearance of a map.

A disease of the skin and/or mucous membranes, resulting in a lichenoid appearance.

Synonym of old man's beard (lichen of genus Usnea)

A crustose lichen with small upward-pointing fruiting bodies supposed to resemble dressmakers' pins. They include members of the genera Calicium and Chaenotheca.