Usnea strigosa 1
On Quercus ilicifolia twig. From Martha's Vineyard, Massachusetts.
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Usnea strigosa 2
On Quercus twig. From Martha's Vineyard, Massachusetts.
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Usnea strigosa 3
On twig. From City Rock Bluff, Ozark National Forest, Arkansas.
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Usnea strigosa 4
On twig. From Ochlockonee River State Park, northern Florida. |
Usnea strigosa 5
On Cornus bark. From Mashpy Pine Barrens, Barnstable Co., Massachusetts. |
Usnea strigosa 6
On Acer rubrum bark. From Martha's Vineyard, Massachusetts. |
Usnea strigosa sensu lato
"Like strigosa, but medulla white." -I.M. Brodo
On Quercus. From southern Florida. |