Muddydog's picture

Lichen garden wall

Observed: 5th June 2011 By: Muddydog
lichen garden wall
Description:

Lichen on top of external garden wall facing onto street

Identifications

No identification made yet.

Species interactions

No interactions present.

Comments

AlanS's picture

These white, immature crusts

These white, immature crusts on urban walls are very difficult or impossible to name I'm afraid. Chemical tests may sometimes help, but often not.

It could be young Aspicilia contorta, but this is just speculation.

Alan