hordeum distichon, medicago sativa, fallopia convolvulus, matricaria chamomilla, oxalis stricta, stellaria media, viola arvensis, chenopodium album, elymus repens, gnaphalium uliginosum, matricaria discoidea, plantago uliginosa, polygonum aviculare, solanum nigrum, sonchus asper, epilobium tetragonum, mercurialis annua, sonchus oleraceus