TY  - BK
ED  - United State Department Agriculture (USDA)
TI  - Common weeds of the United States
SN  - 0-486-20504-5
PY  - 1970///
CY  - New York (USA)
PB  - Dover Publications, 
KW  - Classification
KW  - Grasses
KW  - Identification
KW  - Taxonomy
KW  - USA
KW  - Weeds
ER  -