erigeron canadensis, elymus repens, crepis foetida, centaurea cyanus, chondrilla juncea, cirsium arvense, convolvulus arvensis, delphinium consolida, descurainia sophia, echium vulgare, erigeron annuus, erodium cicutarium, euphorbia helioscopia, fallopia convolvulus, galeopsis ladanum, galeopsis tetrahit, galium aparine, lactuca serriola, lathyrus tuberosus, lepidium draba, matricaria chamomilla, poa annua, polygonum aviculare, scorzoneroides autumnalis, setaria viridis, sonchus arvensis, stellaria media, veronica persica, vicia cracca