TY  - BOOK
AU  - Reed,Clyde F.
AU  - Hughes,Regina o.
TI  - Selected weeds of the United States
PY  - 1970///
CY  - Washington
PB  - U. S. Department of Agriculture - Agricultural Research Service
KW  - Malezas
KW  - Estados Unidos de America
KW  - Flora Adventicia
N1  - Agriculture Handbook 366
ER  -