Index → Buttons → Pertusaria → P. amara= Pertusaria amara (Ach.) Nyl. var. amara
= Variolaria amara Ach.
 Location: Washington, Klickitat County, near White Salmon, Columbia River Gorge
Date: 2007-03-09
Photo by: Curtis Björk
Notes: On large limb of Quercus garryana in Pseudotsuga-Quercus forest
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 Location: Great Smoky Mountains
Date: 2013-10-23
Photo by: Jason Hollinger
Notes: on trunk of smooth-barked Acer rubrum several feet off ground [Hollinger 5512]
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 Location: Great Smoky Mountains
Date: 2013-10-23
Photo by: Jason Hollinger
Notes: on trunk of smooth-barked Acer rubrum several feet off ground [Hollinger 5512]
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 Location: California, Sonoma Coast
Date: 2015-10-19
Photo by: Jason Hollinger
Notes: on Notholithocarpus densiflorus trunk [Hollinger 8814]
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 Location: Great Smoky Mountains
Date: 2010-05-04
Photo by: Jason Hollinger
Notes: on Acer trunk
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 Location: Great Smoky Mountains
Date: 2010-05-04
Photo by: Jason Hollinger
Notes: on Acer trunk
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 Location: Great Smoky Mountains
Date: 2013-09-19
Photo by: Jason Hollinger
Notes: on old Acer rubrum trunk 1.5m off ground [Hollinger 5198]
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 Location: Great Smoky Mountains
Date: 2013-09-19
Photo by: Jason Hollinger
Notes: on old Acer rubrum trunk 1.5m off ground [Hollinger 5198]
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 Location: British Columbia, Clearwater Valley
Date: 2010-11-05
Photo by: Curtis Björk
Notes: On bark of Betula papyrifera in swamp forest
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 Location: Great Smoky Mountains
Date: 2011-05-11
Photo by: Jason Hollinger
Notes: on Quercus [Hollinger 2742]
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 Location: British Columbia, Clearwater Valley, Dawson Falls
Date: 2012-04-06
Photo by: Curtis Björk
Notes: On bark of Alnus incana trunk, waterfall sprayzone
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 Location: Great Smoky Mountains
Date: 2011-05-11
Photo by: Jason Hollinger
Notes: on Quercus [Hollinger 2742]
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 Location: Great Smoky Mountains
Date: 2011-05-11
Photo by: Jason Hollinger
Notes: on Quercus [Hollinger 2742]
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