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Placidium arboretum Placidium arboretum
– is a foliose to squamulose lichen with embedded perithecia. This
lichen is brown when dry but bright green when wet. Uncommon in
southern Ohio, usually on white oak.
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Placidium arboretum Placidium arboretum
– is a foliose to squamulose lichen with embedded perithecia. This
lichen is brown when dry but bright green when wet. Uncommon in
southern Ohio, usually on white oak.
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