 Lichen disappearing
Not sure if this is in the right place or not, apologies if not.
I'm sure I saw something fairly recently that lichen is/was considered endangered as it was higly suceptable to pollution. I remember seeing in on the concrete fence posts in the gardens as a child. Hadn't really considered not seeing it until someone mentioned you don't see it very often any more (a bit like white dog poo I guess).
Anyway, we have a little Acer of some description in a large tub on the patio and I noticed that along with the buds that are appearing, there are several patches of lichen also appearing. I'm sure it's harmless, but does anyone know anything about lichen at all? |