rumex acetosella, scleranthus annuus, apera spica-venti, arnoseris minima, draba verna, elymus repens, odontites vernus, setaria viridis, teesdalia nudicaulis, viola arvensis, achillea millefolium, centaurea cyanus, chenopodium album, ornithopus perpusillus, raphanus raphanistrum, vicia hirsuta