sherardia arvensis, stellaria media, thlaspi arvense, apera spica-venti, aphanes arvensis, elymus repens, myosotis arvensis, tripleurospermum inodorum, veronica persica, veronica polita, arabidopsis thaliana, arenaria serpyllifolia, chenopodium album, delphinium consolida, draba verna, valerianella locusta, viola arvensis