beta vulgaris, galinsoga quadriradiata, convolvulus arvensis, galinsoga parviflora, sonchus arvensis, stellaria media, amaranthus powellii, arrhenatherum elatius, capsella bursa-pastoris, chenopodiastrum hybridum, cirsium arvense, elymus repens, euphorbia helioscopia, fallopia convolvulus, galium spurium, lamium amplexicaule, lamium purpureum, lipandra polysperma, lysimachia arvensis, mentha arvensis, persicaria lapathifolia, solanum tuberosum, sonchus asper, veronica persica, achillea millefolium, erigeron canadensis