lysimachia arvensis, sinapis arvensis, achillea millefolium, argentina anserina, cirsium arvense, lupinus luteus, arenaria serpyllifolia, buglossoides arvensis, elymus repens, agrostemma githago, agrostis stolonifera, capsella bursa-pastoris, cerastium holosteoides, equisetum arvense, euphorbia helioscopia, myosotis ramosissima, rumex crispus, viola arvensis