echinochloa crus-galli, galinsoga parviflora, acalypha virginica, amaranthus retroflexus, chenopodium album, digitaria sanguinalis, glechoma hederacea, persicaria maculosa, setaria pumila, anthemis arvensis, calystegia sepium, capsella bursa-pastoris, oxalis stricta, poa annua, portulaca oleracea, ranunculus repens, rumex crispus, verbena officinalis, veronica persica, euphorbia peplus, lamium purpureum, plantago lanceolata, polygonum aviculare, trifolium pratense