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Whitish-Green Lichens Growing on Bark of a Tree

Whitish-Green Lichens Growing on Bark of a Tree

Whitish-green lichens growing on the bark of a tree. This picture was taken at Boyce Park.
Galleries: Boyce Park, Lichens
Keywords: allegheny county, bark, pennsylvania, pittsburgh, whitish-green lichens, william d. boyce park
Photo Location: Boyce Park, Pittsburgh, Pennsylvania
Photographer: Dr. Roy Winkelman
Date of Photo: 11/01/2010
Device Make: Canon
Device Model: Canon EOS 5D Mark II
Exposure Time: 0.008
F Number: 4.5
Original Dimensions: 3861×2574
Picture Orientation: Landscape
GPS Coordinates: 40°28'12.41"N 79°45'15.67"W
Picture Number: 19243