1. 2. การจำแนกชนิดวัชพืช
Botanical classification : Class, Order, Family, Genus & species or spp.
Life cycle : annual, biennial, perennial
Habitat : terrestrial, aquatic or niche in relation to crop or land use
Physiological characters : C3, C4 plant
Level of undesirable : noxious, common
Ecological succession : stress tolerator, competitor, ruderal

2. 6. Biology and ecology of some noxious weed species
Imperata cylindrica (L.) Beauv.
Echinochloa crus-galli (L.) P.Beauv.
Echinocloa colona (L.) Link
Rottboellia exaltata L.f.
Eichhornia crassipes (Mart.) Solms
Mimosa pudica Mill
Cyperus rotundus L.
Chromolaena odorata L.R.M. and Robinson
Paspalum conjugatum Berg.
Striga lutea Lour.
Pistia stratiotes L.