galinsoga parviflora, mercurialis annua, chenopodium album, amaranthus powellii, amaranthus retroflexus, chaenorhinum minus, cirsium arvense, elymus repens, equisetum arvense, euphorbia helioscopia, fallopia convolvulus, oxalis stricta, persicaria maculosa, polygonum aviculare, setaria viridis, sinapis arvensis, sonchus asper, thlaspi arvense, veronica persica, viola arvensis, persicaria lapathifolia