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RT @USGS_Pubs: Rock gnome lichen (Gymnoderma lineare) monitoring assessment, southern Appalachian Mountains, 1983–2008, https://t.co/w9mpTd…
RT @USGS_Pubs: Rock gnome lichen (Gymnoderma lineare) monitoring assessment, southern Appalachian Mountains, 1983–2008, https://t.co/w9mpTd…
Rock gnome lichen (Gymnoderma lineare) monitoring assessment, southern Appalachian Mountains, 1983–2008, https://t.co/w9mpTdmweB https://t.co/dqWLfQgVdQ