centaurea cyanus, convolvulus arvensis, viola arvensis, agrostemma githago, alyssum alyssoides, arenaria serpyllifolia, camelina microcarpa, roemeria argemone, scleranthus annuus, setaria viridis, veronica triphyllos, veronica verna, anthemis arvensis, bromus commutatus, buglossoides arvensis, bunium bulbocastanum, chenopodium album, chondrilla juncea, erigeron canadensis, galium spurium, poa bulbosa, vicia sativa