pin lichen (English, noun)
expansion: pin lichen (plural pin lichens)
Senses:
glosses: Any of certain crustose lichen with small upward-pointing fruiting bodies supposed to resemble dressmakers' pins, including members of the genera Calicium (stubble lichen) and Chaenotheca (needle lichen, stubble lichen, whisker lichen).
Forms:
form: pin lichens
tags: plural