hordeum vulgare, setaria pumila, agrostis gigantea, equisetum arvense, oxalis stricta, tripleurospermum inodorum, viola arvensis, anthoxanthum aristatum, avena fatua, brassica napus, echinochloa crus-galli, erodium cicutarium, fallopia convolvulus, galeopsis tetrahit, galium aparine, gnaphalium uliginosum, hypericum perforatum, polygonum aviculare, spergula arvensis, stellaria media, tanacetum vulgare, veronica arvensis, vicia sativa