ABSTRACT Weeds are undesirable plants that grow around cultivated plants. The present study aimed to determine the diversity of weeds in smallholder oil palm plantation at years seven in Teratak Air Hitam Village, Sentajo Raya District, Kuantan Singgigi Regency. The research was conducted from December 2020 to May 2021. Method used in this study was a survey technique using purposive sampling …