beta vulgaris, chenopodium album, amaranthus retroflexus, sonchus arvensis, sonchus asper, sonchus oleraceus, atriplex patula, convolvulus arvensis, equisetum arvense, euphorbia helioscopia, fumaria officinalis, galinsoga quadriradiata, lolium perenne, persicaria lapathifolia, persicaria maculosa, plantago major, sinapis arvensis, stachys palustris, stellaria media, thlaspi arvense