Foliose lichens on trees (v. 1.0) (for experts)
by Pat Wolseley [[email protected]]
A key to some foliose lichens on trees in England. This key supports the
OPAL Air survey
and was prepared with the help of the British Lichen Society
Location
If you can tell us where your specimen was found, we can start the key with the most likely species near the top of the list.