(Q51391219)
Statements
Kentucky bluegrass (Poa pratensis L.) (English)
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Oakley, R. A. (Russell Arthur),
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United States. Bureau of Plant Industry
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Washington, D.C.
1909
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Washington, D.C. :United States Department of Agriculture, Bureau of Plant Industry, Forage Crop Investigations,1909. | U.S. Department of Agriculture, National Agri
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