secale cereale, calendula arvensis, agrostemma githago, adonis aestivalis, alyssum alyssoides, bromus tectorum, buglossoides arvensis, caucalis platycarpos, chenopodium album, convolvulus arvensis, lamium amplexicaule, lappula squarrosa, muscari neglectum, papaver rhoeas, silene conica, veronica praecox, viola arvensis