lichen-Punctelia rudecta

Punctelia rudecta DIAGNOSTIC FEATURES: Pseudocyphellae; definite isidia; pale undersurface with clear zone at lobe tips; medulla C+ red; compare with P. subrudecta and P. missouriensis which have soredia and P. bolliana, which is NIS. ECOLOGY: Very common in the eastern … Continue reading lichen-Punctelia rudecta