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VENEZUELA
Bananas & plantains
Echinochloa colona (L.) Link.Eleusine indica (L.) Gaertn.Digitaria spp. Cynodon dactylon (L.) PersCyperus rotundus L. Parthenium hysterophorus L.. Amaranthus spp.
Vegetables
Echinochloa colona (L.) Link.Eleusine indica (L.) Gaertn.Cyperus rotundus L.
Rice
Weedy riceEchinochloa colona (L.) Link.Cyperus iria L.Cyperus difformis L.
Coffee
Richardia scabra L.
Pastures
Paspalum virgatum L.
Water bodies
Lemna minor L.Eichornia crassipes Mart. Solms.
Information provided by Dr. Hugo Pinto and updated with information from FAO projects & activities
VIETNAM
Echinochloa crus-galli (L.) Beauv. Weedy riceCyperus difformis L.Cyperus iria L.Commelina diffusa Burm. F.Monochoria vaginalis (Burm.f.) Pres.Sphenoclea zeylanica Gaertn.Chromolaena odorata (L.) R.M. and H.RobinsonEclipta prostrata (L.) L.Borreria alata (Aubl.) DCConyza sumatrensis (Retz.) E.WalkerCrassocephalum crepidioides (Benth.) S Moore.Trema angustifolia (Planchon) Blume
Maize
Eleusine indica (L.) Gaertn.Digitaria spp. Echinochloa colona (L.) Link.Paspalum conjugatum P.J. Berg.Rottboellia cochinchinensis (Lour.) ClaytonCommelina benghalensis L.Synedrella nodiflora (L.) Gaertn.Oxalis corniculata L.Borreria alata (Aubl.) DCSiegesbeckia orientalis L.Sida rhomboidea Roxb.
Pineapple
Paspalum scrobiculatum L. Panicum reptans L.Cyperus haspan L.Cyperus polystachyos Rottb.Scirpus spp.Commelina nudiflora L.Eleocharis spp. Scleria poaeformis Retz, Blumea glandulosa DCMelastoma affine D. Don Pueraria spp. Passiflora foetida L.
Cotton
Dactyloctenium aegyptium (L.) Willd.Panicum repens L.Eleusine indica (L.) Gaertn.Cynodon dactylon (L.) Pers.Cyperus rotundus L. Chromolaena odorata (L.) R.M. and H.RobinsonEclipta prostrata (L.) L.
Water Bodies<//u><//u></><//>
Eichhornia crassipes (Mart.) Solms.
Information gathered from FAO projects & activities and updated by Dr. Duong Van Chin