scleranthus annuus, anthoxanthum aristatum, arnoseris minima, rumex acetosella, spergula arvensis, anthemis arvensis, draba verna, elymus repens, fallopia convolvulus, hypochaeris glabra, myosotis stricta, ornithopus perpusillus, viola arvensis, myosotis arvensis, raphanus raphanistrum, setaria viridis, teesdalia nudicaulis