galinsoga parviflora, rumex acetosella, trifolium repens, arabidopsis thaliana, gnaphalium uliginosum, lamium purpureum, lipandra polysperma, oxalis stricta, plantago uliginosa, poa annua, ranunculus repens, stellaria media, cerastium holosteoides, epilobium tetragonum, erodium cicutarium, fallopia convolvulus, veronica persica