TY  - JOUR 
T1  - Genetic variability among Commelina weed species from the states of Paraná and São Paulo, Brazil
JO  - Planta Daninha
A1  - Rocha, D.C.
A1  - Rodella, R.A.
A1  - Marino, C.L.
A1  - Martins, D.
SN  - 0100-8358
UL  - 10.1590/S0100-83582009000300001
VL  - 27 
Y1  - 2009
PB  - Brazil 
ER  -