Evernia prunastri by THeo
On Pinus nigra
Oakmoss Evernia prunastri is a species of lichen in the family Parmeliaceae
Etymology meaning
evernia=from Greek word ευ-ερνος=good-bark=it germinates easily ?
ἔρνος, τὸ. βλαστάρι, βλαστός
The specific epithet prunastri means 'prune stars' in Latin, and apparently references Linnaeus' belief that they preferred prune trees, and may have looked star-like against their dark bark.
Greece Chalkidiki
27.2.25