Parmelia sulc2837k.jpg

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Parmelia sulcata, a lobe with inconspicuous pseudocyphellae and punctiform soralia. Such specimens have sometimes been mistaken for a species of Punctelia. The lower surface, being black, has led some lichenologists to make erroneous records of Punctelia borreri.

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith