chenopodium album, cirsium arvense, descurainia sophia, equisetum arvense, galium spurium, lamium amplexicaule, odontites vernus, rhinanthus alectorolophus, stellaria media, veronica arvensis, arabidopsis thaliana, arenaria serpyllifolia, artemisia absinthium, convolvulus arvensis, geranium pusillum, lamium purpureum, papaver dubium, thlaspi arvense