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Abies amabilis (Dougl.) Forbes (Pacific silver fir) [left] and Abies lasiocarpa (Hook.) Nutt. (subalpine fir) [right], branchesJuly 1977
Coulter, Ronald M.
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Abies amabilis (Dougl.) Forbes (Pacific silver fir), barkSeptember 1972
Coulter, Ronald M.
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Abies amabilis (Dougl.) Forbes (Pacific silver fir), branch tip, needlesSeptember 1972
Coulter, Ronald M.
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Abies amabilis (Dougl.) Forbes (Pacific silver fir), branch tips, needlesJuly 1977
Coulter, Ronald M.
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Abies amabilis (Dougl.) Forbes (Pacific silver fir), forest floor July 1976
Coulter, Ronald M.
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Abies amabilis (Dougl.) Forbes (Pacific silver fir), needlesJuly 1977
Coulter, Ronald M.
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Abies amabilis (Dougl.) Forbes (Pacific silver fir), needlesJuly 1977
Coulter, Ronald M.
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Abies amabilis (Dougl.) Forbes (Pacific silver fir), needlesSeptember 1972
Coulter, Ronald M.
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Abies amabilis (Dougl.) Forbes (Pacific silver fir), needlesSeptember 1972
Coulter, Ronald M.
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Abies amabilis (Dougl.) Forbes (Pacific silver fir), needlesJuly 1977
Coulter, Ronald M.
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Abies lasiocarpa (Hook.) Nutt. (subalpine fir) [left] and Abies amabilis (Dougl.) Forbes (Pacific silver fir) [right], branches, needlesJuly 1977
Coulter, Ronald M.
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Abies lasiocarpa (Hook.) Nutt. (subalpine fir), branchSeptember 1972
Coulter, Ronald M.
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Abies lasiocarpa (Hook.) Nutt. (subalpine fir), branchSeptember 1972
Coulter, Ronald M.
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Abies lasiocarpa (Hook.) Nutt. (subalpine fir), branch tip and coneJuly 1976
Coulter, Ronald M.
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Abies lasiocarpa (Hook.) Nutt. (subalpine fir), branch tipsJuly 1976
Coulter, Ronald M.
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Abies lasiocarpa (Hook.) Nutt. (subalpine fir), branch tipsJuly 1976
Coulter, Ronald M.
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Abies lasiocarpa (Hook.) Nutt. (subalpine fir), branch tips and conesJuly 1976
Coulter, Ronald M.
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Abies lasiocarpa (Hook.) Nutt. (subalpine fir), habitat July 1977
Coulter, Ronald M.
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Abies lasiocarpa (Hook.) Nutt. (subalpine fir), habitat July 1976
Coulter, Ronald M.
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Abies lasiocarpa (Hook.) Nutt. (subalpine fir), habitatJuly 1977
Coulter, Ronald M.
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Acer circinatum (vine maple), leaves and fruit in summerJuly 7 1976
Coulter, Ronald M.
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Achillea millefolium lanulosa 'Mountain yarrow', flowers
July 1977
Coulter, Ronald M.