apera spica-venti, ceratodon purpureus, mentha arvensis, vicia hirsuta, vicia sativa, viola tricolor, agrostis gigantea, centaurea cyanus, myosotis arvensis, persicaria hydropiper, veronica arvensis, achillea millefolium, capsella bursa-pastoris, galeopsis tetrahit, galium aparine, persicaria lapathifolia, persicaria maculosa, rumex acetosella, scleranthus annuus