anthoxanthum aristatum, rumex acetosella, apera spica-venti, arnoseris minima, draba verna, elymus repens, fallopia convolvulus, juncus bufonius, ornithopus perpusillus, persicaria hydropiper, scleranthus annuus, setaria viridis, spergula arvensis, teesdalia nudicaulis, viola arvensis, aphanes arvensis, oxalis stricta