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Mushroom Observer Image 239115: Parmelia hygrophila Goward & Ahti & Parmelia sulcata Taylor
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Mushroom Observer Image 236298: Platismatia tuckermanii (Oakes) Culb. & C. Culb.
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Mushroom Observer Image 809587: Tuckermanella fendleri (Nyl.) Essl.
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Mushroom Observer Image 101456: Letharia lupina Altermann, Leavitt & Goward
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Mushroom Observer Image 220647: Punctelia caseana Lendemer & Hodkinson
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Mushroom Observer Image 237745: Usnocetraria oakesiana (Tuck.) M.J. Lai & J.C. Wei
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Mushroom Observer Image 217380: Xanthoparmelia hypofusca (Gyeln.) Hodkinson & Lendemer
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Mushroom Observer Image 314510: Himantormia
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Mushroom Observer Image 24964: Usnea Dill. ex Adans.
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Mushroom Observer Image 421866: Hypogymnia imshaugii Krog
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Mushroom Observer Image 199710: Flavopunctelia soredica (Nyl.) Hale
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Mushroom Observer Image 197389: Xanthoparmelia cumberlandia (Gyelnik) Hale
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Mushroom Observer Image 205549: Ahtiana aurescens (Tuck.) Thell & Randlane
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Mushroom Observer Image 239027: Cetraria ericetorum subsp. reticulata (Räsänen) Kärnefelt
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Granville, Massachusetts, United States
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The green shield lichen on a paper birch, together with some jelly fungus Maine, 28th November 2008, mixed coastal forest. The identifications are tentative and I would welcome confirmation or correction
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Selbitz, Bavaria, Germany
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Mushroom Observer Image 204909: Letharia columbiana (Nutt.) J.W. Thomson
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Mushroom Observer Image 239116: Parmelia hygrophila Goward & Ahti & Parmelia sulcata Taylor
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Mushroom Observer Image 738956: Protoparmelia M. Choisy
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Mushroom Observer Image 519573: Usnea articulata (L.) Hoffm.
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Mushroom Observer Image 107061: Letharia lupina Altermann, Leavitt & Goward
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Mushroom Observer Image 220648: Punctelia caseana Lendemer & Hodkinson
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Mushroom Observer Image 237806: Usnocetraria oakesiana (Tuck.) M.J. Lai & J.C. Wei