heliotropium europaeum, medicago lupulina, mercurialis annua, polygonum aviculare, amaranthus retroflexus, chenopodium album, cirsium arvense, convolvulus arvensis, lysimachia foemina, nigella hispanica, persicaria maculosa, setaria verticillata, sonchus oleraceus, agrostis stolonifera, atriplex patula, fallopia convolvulus, kickxia spuria, poterium sanguisorba