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Pseudotsuga menziesii var. glauca (Rocky Mountain Douglas-fir), cone, pistillateApril 16 2010
Hedborn Jr., Edward A.
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Pseudotsuga menziesii var. glauca (Rocky Mountain Douglas-fir), cone, pistillateApril 16 2010
Hedborn Jr., Edward A.
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Pinus ×schwerinii (Schwerin's Pine), cone, pistillateMay 30 2007
Hedborn Jr., Edward A.
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Pinus ×schwerinii (Schwerin's Pine), cone, pistillateMay 30 2007
Hedborn Jr., Edward A.
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Pinus ×schwerinii (Schwerin's Pine), cone, pistillateMay 30 2007
Hedborn Jr., Edward A.
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Pinus nigra (Austrian Pine), cone, pistillate, immatureMay 30 2007
Hedborn Jr., Edward A.