anthoxanthum aristatum, centaurea cyanus, ceratodon purpureus, apera spica-venti, aphanes arvensis, arnoseris minima, chenopodium album, fallopia convolvulus, gnaphalium uliginosum, polygonum aviculare, quercus rubra, raphanus raphanistrum, riccia glauca, rumex acetosella, scleranthus annuus, senecio vulgaris, spergula arvensis, stellaria media, vicia sativa, viola arvensis