The common lichen Tephromela atra is found on exposed rocks (both siliceous and slightly basic) and is often dominant on coastal rocks.

---

Size: 5480px × 3653px
Photo credit: © Peter Martin Rhind / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: atra, coastal, common, distribution, exposed, gray, lichen, lichens, north, rocks, tephromela, tephromelataceae, wales, worldwide