Black Crustose Lichen
Dec. 25, 2024
Verrucaria nigrescens is a black crustose lichen that grows on limestone rocks. This photo was taken in Menorca, Balearic Islands, Spain Stock Photo - Alamy Let's Look at Lichens Again — Flat Rock Brook Apothecia on crustose lichen | The spores of this lichen are… | Flickr Black Crustose Lichen