Abstract:The composition, dynamics and niche of main weeds in turf-weed community in 2 golf courses under subtropics during 2002/3-2003/3 were studied. Results showed that 59 weeds were determined which included 14 grasses species ,4 sedge species and 41 broad leaved species in turf-weed community in golf courses. Weed species which appeared Over 20% in plots of golf courses were Cyperus rotundus,Kyllinga brevifolia,Oxalis dellenii,Panicum repens,Eleusina indica,Paspalum conjugtum,Digitaria sanguinalis,Hydrocotyle s...