secale cereale, erigeron canadensis, setaria pumila, digitaria ischaemum, draba verna, ceratodon purpureus, herniaria hirsuta, polycnemum arvense, polygonum aviculare, amaranthus retroflexus, apera spica-venti, chenopodium album, convolvulus arvensis, echinochloa crus-galli, elymus repens, equisetum arvense, psammophiliella muralis, scleranthus annuus, setaria viridis, silene latifolia, spergularia rubra, fallopia convolvulus