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r f copple
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A vegetative key to some common Arizona range grasses
R. F Copple · Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station
105 sayfa · 1978
Grasses / Identification
The identification of certain native and naturalized grasses by their vegetative characters
R. F. Copple, Alfred Evan Aldous · Agricultural Experiment Station, Kansas State College of Agriculture and Applied Science
73 sayfa · 1932
Grasses / Identification