secale cereale, setaria pumila, polycnemum arvense, apera spica-venti, convolvulus arvensis, digitaria ischaemum, elymus repens, equisetum arvense, herniaria hirsuta, polygonum aviculare, arenaria serpyllifolia, capsella bursa-pastoris, cerastium arvense, cerastium holosteoides, ceratodon purpureus, chenopodium album, erigeron canadensis, erodium cicutarium, fallopia convolvulus, plantago lanceolata, scleranthus annuus, vicia tetrasperma