trifolium fragiferum, medicago lupulina, lotus tenuis, polygonum aviculare, echinochloa crus-galli, persicaria lapathifolia, persicaria mitis, plantago major, xanthium strumarium, erigeron canadensis, persicaria maculosa, trifolium pratense, euphorbia platyphyllos, lactuca serriola, oenanthe aquatica, persicaria hydropiper, picris hieracioides, setaria pumila, sonchus oleraceus