erigeron canadensis, aethusa cynapium, atriplex patula, blitum bonus-henricus, clematis vitalba, lepidium virginicum, mercurialis annua, papaver rhoeas, rumex conglomeratus, rumex obtusifolius, senecio viscosus, senecio vulgaris, sisymbrium officinale, solanum nigrum, trifolium repens, tussilago farfara, lactuca serriola, oxybasis rubra