plural of lichen

Any of many symbiotic organisms, being associations of algae and fungi, often found as white or yellow-to-blue–green patches on rocks, old walls, etc.

Covered with lichen.

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

(mycology, of a fungus) Adapted to live as a symbiont in a lichen.

simple past tense and past participle of lichenize

Relating to, or obtained from lichens

Third-person singular simple present indicative form of lichenize

(transitive) To cover with lichens.

present participle of lichenize