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Abies amabilis (Dougl.) Forbes (Pacific silver fir), forest floor July 1976
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 amabilis (Dougl.) Forbes (Pacific silver fir), needlesJuly 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), needlesJuly 1977
Coulter, Ronald M.
Photographic image
Abies amabilis (Dougl.) Forbes (Pacific silver fir), needlesJuly 1977
Coulter, Ronald M.
Photographic image
Abies amabilis (Dougl.) Forbes (Pacific silver fir), branch tips, needlesJuly 1977
Coulter, Ronald M.
Photographic image
Abies amabilis (Dougl.) Forbes (Pacific silver fir), needlesSeptember 1972
Coulter, Ronald M.
Photographic image
Abies amabilis (Dougl.) Forbes (Pacific silver fir) [left] and Abies lasiocarpa (Hook.) Nutt. (subalpine fir) [right], branchesJuly 1977
Coulter, Ronald M.
Photographic image
Abies amabilis (Dougl.) Forbes (Pacific silver fir), needlesSeptember 1972
Coulter, Ronald M.