Index → Petals → Physconia → P. americana Location: Oregon, Siskiyou Mountains, Rogue River Valley Date: 2010-04-00 Photo by: Curtis Björk Notes: On trunk of Quercus on ridge
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 Location: Washington, Klickitat region Date: 2011-08-16 Photo by: Jason Hollinger Notes: on Quercus bark [Hollinger 3932]
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 Location: Washington, channeled scablands Date: 2013-04-18 Photo by: Jason Hollinger Notes: on live Populus tremuloides bark [Hollinger 5007]
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 Location: Oregon, Siskiyou Mountains, Rogue River Valley Date: 2010-04-00 Photo by: Curtis Björk Notes: On trunk of Quercus on ridge
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 Location: Idaho, Benewah County, near St. Maries Date: July, 2005 Photo by: Curtis Björk Notes: On trunk of Populus trichocarpa in floodplain forest
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Index → Petals → Physconia → P. americana
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