apera spica-venti, centaurea cyanus, tripleurospermum inodorum, aphanes arvensis, arabidopsis thaliana, arenaria serpyllifolia, capsella bursa-pastoris, draba verna, gnaphalium uliginosum, myosotis arvensis, myosotis stricta, plantago uliginosa, roemeria argemone, stellaria media, veronica arvensis, veronica hederifolia, viola arvensis, artemisia vulgaris, herniaria glabra, rumex acetosella, scleranthus annuus, tanacetum vulgare