achillea millefolium, apera spica-venti, arabidopsis thaliana, arnoseris minima, centaurea cyanus, draba verna, elymus repens, ornithopus perpusillus, rumex acetosella, scleranthus annuus, spergula arvensis, teesdalia nudicaulis, veronica arvensis, vicia hirsuta, vicia sativa, viola arvensis, chenopodium album, hypochaeris glabra