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