United Kingdom 
I agree it may be lichen but i was worried it hurt the tree,many thanks for your reply
1 May, 2010
Previous question
United Kingdom
I agree it may be lichen but i was worried it hurt the tree,many thanks for your reply
1 May, 2010
Previous question
Okay, I guess you must be the person who asked about a fungal infection on their tree - lichen will not hurt the tree, though if its extensive, you may want to clean off some of it just because its hanging over leaves or blossom. Its actually a sign of clean air!
2 May, 2010