Woody-plant seed manual - Washington : Government Printing Office, 1948 - 416 p. : ilus. - U.S.D.A. Miscellaneous publication ; 654 . - U.S.D.A. Miscellaneous publication ; 654 .

42694


Árboles--E.U.A.
Arbustos--E.U.A.
Semillas.

634.9562 / E83