convolvulus arvensis, viola arvensis, arenaria serpyllifolia, camelina microcarpa, capsella bursa-pastoris, chenopodium album, descurainia sophia, polygonum aviculare, roemeria argemone, veronica hederifolia, anthemis arvensis, buglossoides arvensis, centaurea cyanus, chenopodiastrum hybridum, cirsium arvense, equisetum arvense, erigeron canadensis, lapsana communis, lycopsis arvensis, papaver rhoeas, thlaspi arvense, vicia sativa, filago arvensis, lathyrus pratensis