TY  - BOOK
AU  - Alex, Jack F.
TI  - Common and botanical names of weeds in Canada
T2  - Department of Agriculture. Publication, 1397
U1  - 632.58 
PY  - 1980///
CY  - Ottawa
PB  - Department of Agriculture
KW  - Malas hierbas
KW  - Canadá
KW  - Nomenclatura
ER  -