anthoxanthum aristatum, apera spica-venti, centaurea cyanus, scleranthus annuus, teesdalia nudicaulis, viola arvensis, aphanes arvensis, arabidopsis thaliana, arnoseris minima, capsella bursa-pastoris, fallopia convolvulus, galeopsis tetrahit, persicaria hydropiper, polygonum aviculare, rumex acetosa, stellaria media, veronica arvensis, vicia cracca, vicia sativa