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linanjohn: Dog Lichen: Peltigera sp
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linanjohn: Evernia prunastri: Oakmoss?
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linanjohn: Parmelia sulcata: Hammered Shield Lichen?
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linanjohn: Phlyctis argent: Whitewash lichen
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linanjohn: Parmotrema perlatum: Black Stone Flower
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linanjohn: Lichen pattern
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linanjohn: Graphis sp: Script Lichen
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linanjohn: Xanthoria parietina: Common Orange Lichen
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linanjohn: Physcia aipolia: Hoary Rosette Lichen
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linanjohn: Cladonia sp
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linanjohn: Lecidella elaeochroma and Lecanora chlarotera
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linanjohn: Phlyctis argena: Whitewash Lichen
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linanjohn: Phlyctis argena: Whitewash Lichen
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linanjohn: Arthonia radiata (right) and Lecanora chlarotera (left)
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linanjohn: Lecidella elaeochroma on the bark of a sycamore tree
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linanjohn: Lecanora chlarotera on the bark of a sycamore tree
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linanjohn: Graphis sp: Script Lichen
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linanjohn: Lichen- Caloplaca flavescens?
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linanjohn: Wall Mile 49: Lecanora sp?
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linanjohn: Wall Mile 49: Lecidia sp?