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Red rot of ponderosa pine / by Stuart R. Andrews. - Washington, D.C. : U.S. Dept. of Agriculture, Forest Service, 1955. - ii, 34 p. : ill. ; 26 cm. - Agriculture monograph ; no. 23 .

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agr55000133


Polyporus anceps.
Wood-decaying fungi.
Ponderosa pine--Diseases and pests.

HD1751 / .A918 no. 23

1 / Ag84Am no.23