stellaria media, arabidopsis thaliana, capsella bursa-pastoris, chenopodium album, equisetum arvense, fallopia convolvulus, galium aparine, gnaphalium uliginosum, juncus bufonius, lamium purpureum, lysimachia arvensis, matricaria chamomilla, myosotis arvensis, persicaria lapathifolia, plantago uliginosa, poa annua, raphanus raphanistrum, veronica persica, viola arvensis, euphorbia helioscopia, polygonum aviculare, sonchus asper, thlaspi arvense