Usnea cornuta 1
On twig. From Roan Mountain, Tennessee.
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Usnea cornuta 2
On Sorbus. From Roan Mountain, Tennessee.
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Usnea cornuta 3
On shrub. From Roan Mountain, Tennessee.
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Usnea cornuta 4
On Quercus bark. From the Chiracahua Mountains, southern Arizona. |
Usnea cornuta 5
On mossy Alnus trunk. From Leyendecker Boat Launch, W of Forks, Washington. |
Usnea cornuta "aggregate" (not U. cornuta Koerb.)
On twig. From the north coast of California. |