TY  - BOOK
AU  - Wilkinson,R.E.
AU  - Jaques,H.E.
TI  - How to know the weeds.
T2  - Pictured key nature series
PY  - 1979///
CY  - Dubuque, Iowa
PB  - W.M.C. Brown
KW  - Malezas
KW  - Taxonomía
ER  -