Location: Ottawa, Canada.
Dear Dr. Patel,
At least two lichens species are presented on the photo.
The orange one is probably Xanthoria parietina.
Xanthoria parietina (L.) Th. Fr., Physcia stellaris (L. )Nyl., Phaeophyscia orbicularis (Neck.) Moberg
Thanks to all scientist
"Physcia stellaris" - or Ph. aipolia.
Big and orange its X. parietina but strongly yellow cushions it is other Xanthoria (Xanthoria candelaria or Xanthoria fulva or other)
Thanks Alexey Melechin sir
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