Map lichen

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(Bot.) a lichen (Lecidea geographica.) growing on stones in curious maplike figures.
- Dr. Prior.

See also: Map

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
In the field of applied lichenology, GIS have more recently been used to follow the lichen re-colonization of the once highly polluted Ruhr Basin in Germany (Kricke & Beige 2004), and to map lichen species distribution in Germany and Italy (Loppi 2004), but despite its potential (Wei et al.