Foreign diseases of forest trees of the world :
Spaulding, Perley 1878-,
Foreign diseases of forest trees of the world : An annoted list / By perley spaulding - 361 páginas - Agriculture handbook ; no. 197 .
Árboles--Enfermedades y plagas
SB761 / S63
Foreign diseases of forest trees of the world : An annoted list / By perley spaulding - 361 páginas - Agriculture handbook ; no. 197 .
Árboles--Enfermedades y plagas
SB761 / S63