Reichlingia zwackhii

Reichlingia zwackhii is a species of corticolous (bark-dwelling) lichen in the family Arthoniaceae. It is found in temperate woodland habitats across parts of Europe. It typically grows on the moist bark of mature beech, ash, and oak trees in ancient forests, often appearing as a parasite or semi-parasite on other lichens, although it can occasionally live independently. The lichen is rare but widespread in southern and southwestern England, with very limited occurrences reported in Scotland, Wales,...