poa annua, agrostis stolonifera, matricaria chamomilla, persicaria maculosa, senecio vulgaris, stellaria media, capsella bursa-pastoris, chenopodium album, chenopodium ficifolium, cirsium arvense, convolvulus arvensis, elymus repens, lolium perenne, polygonum aviculare, sisymbrium officinale, sonchus oleraceus, rumex crispus