Index → Navels → Lasallia → L. pensylvanica= Umbilicaria pensylvanica Hoffm.
 Location: Tennessee, Appalachians
Date: 2011-06-22
Photo by: Jason Hollinger
Notes: on outcrop [Hollinger 3084]
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 Location: British Columbia, Wells Gray
Date: 2009-08-08
Photo by: Jason Hollinger
Notes: on talus [det. by T. Goward; Hollinger 261]
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 Location: British Columbia, Wells Gray
Date: 2009-08-08
Photo by: Jason Hollinger
Notes: on talus; damp [det. by T. Goward; Hollinger 261]
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 Location: British Columbia, Wells Gray
Date: 2009-08-08
Photo by: Jason Hollinger
Notes: on talus; partly damp [det. by T. Goward; Hollinger 261]
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 Location: Northwest Territories, near MacKay Lake
Date: 2011-08-07
Photo by: Curtis Björk
Notes: On siliceous rock in brushy tundra
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 Location: Northwest Territories, near MacKay Lake
Date: 2011-08-09
Photo by: Curtis Björk
Notes: On siliceous rock in brushy tundra
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 Location: Northwest Territories, Frame Lake, east shore, northern end of downtown Yellowknife
Date: 2011-08-05
Photo by: Curtis Björk
Notes: On old volcanic rocks in open taiga
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 Location: Northwest Territories, Frame Lake, east shore, northern end of downtown Yellowknife
Date: 2011-08-05
Photo by: Curtis Björk
Notes: On old volcanic rocks in open taiga
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 Location: Tennessee, Appalachians
Date: 2011-06-22
Photo by: Jason Hollinger
Notes: on outcrop [Hollinger 3084]
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 Location: Tennessee, Appalachians
Date: 2011-06-22
Photo by: Jason Hollinger
Notes: on outcrop [Hollinger 3084]
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 Location: Tennessee, Appalachians
Date: 2011-06-22
Photo by: Jason Hollinger
Notes: on outcrop [Hollinger 3084]
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 Location: Tennessee, Appalachians
Date: 2011-06-22
Photo by: Jason Hollinger
Notes: on outcrop [Hollinger 3084]
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 Location: British Columbia, Clearwater Valley
Date: 2010-11-03
Photo by: Curtis Björk
Notes: On siliceous boulder talus
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 Location: Northwest Territories, Frame Lake, east shore, northern end of downtown Yellowknife
Date: 2011-08-05
Photo by: Curtis Björk
Notes: On old volcanic rocks in open taiga
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 Location: British Columbia, Wells Gray
Date: 2009-08-08
Photo by: Jason Hollinger
Notes: on talus [det. by T. Goward; Hollinger 261]
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 Location: British Columbia, Wells Gray
Date: 2009-08-08
Photo by: Jason Hollinger
Notes: on talus [det. by T. Goward; Hollinger 261]
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 Location: British Columbia, Wells Gray
Date: 2009-08-08
Photo by: Jason Hollinger
Notes: on talus [det. by T. Goward; Hollinger 261]
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 Location: British Columbia, Wells Gray
Date: 2009-08-08
Photo by: Jason Hollinger
Notes: on talus; underside [det. by T. Goward; Hollinger 261]
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 Location: Tennessee, Appalachians
Date: 2011-06-22
Photo by: Jason Hollinger
Notes: on exposed outcrop; powdery whitish one is L. papulosa, shiny brown one is L. pensylvanica [Hollinger 3084]
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 Location: Tennessee, Appalachians
Date: 2011-06-22
Photo by: Jason Hollinger
Notes: on exposed outcrop; powdery whitish one is L. papulosa, shiny brown one is L. pensylvanica [Hollinger 3084]
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 Location: British Columbia, Clearwater Valley
Date: 2010-11-03
Photo by: Curtis Björk
Notes: On siliceous boulder talus
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