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concentric ring lichen
Arctoparmelia centrifuga
concentric ring lichen beard/shield lichen
Arctoparmelia centrifuga Parmeliaceae
--more--
common name
  concentric ring lichen
accepted scientific name
  Arctoparmelia centrifuga (L.) Hale
rules for finding collection records
  Arctoparmelia centrifuga (570)
  Parmelia centrifuga (64)
  Xanthoparmelia centrifuga (66)
family name
  Parmeliaceae
Image Author: ©2009 Jason Hollinger
Image License: Author's permission
Image Source
Category: Lichen
Lichen Category: Leaf-like Lichen
Plant Observed All Year

How Likely at this Location (10%)
Name Match (100%)
Plant Showiness (27%)
base map where plant found
mag select
grid lines base