centaurea cyanus, apera spica-venti, fallopia convolvulus, scleranthus annuus, veronica arvensis, veronica hederifolia, vicia sativa, achillea millefolium, arabidopsis thaliana, capsella bursa-pastoris, cerastium holosteoides, chenopodium album, galium aparine, poa annua, polygonum aviculare, rumex acetosella, senecio sylvaticus, spergula arvensis, stellaria media, teesdalia nudicaulis, vicia hirsuta, viola arvensis