oxalis corniculata, plantago major, trifolium repens, amaranthus deflexus, bellis perennis, lepidium virginicum, parietaria judaica, poa annua, polycarpon tetraphyllum, erigeron floribundus, galinsoga quadriradiata, gamochaeta americana, geranium rotundifolium, helminthotheca echioides, lepidium coronopus, lysimachia arvensis, medicago lupulina, plantago lanceolata, solanum nigrum, sporobolus indicus, verbena officinalis, veronica arvensis