arabidopsis thaliana, lamium purpureum, stellaria media, thlaspi arvense, viola arvensis, aphanes arvensis, buglossoides arvensis, capsella bursa-pastoris, centaurea cyanus, cirsium arvense, convolvulus arvensis, erodium cicutarium, euphorbia helioscopia, fumaria officinalis, galeopsis tetrahit, galium aparine, galium spurium, lamium amplexicaule, myosotis arvensis, myosotis stricta, tripleurospermum inodorum, veronica hederifolia, camelina microcarpa, neslia paniculata, valerianella locusta, roemeria argemone