rumex acetosella, agrostis capillaris, achillea millefolium, agrostis stolonifera, aira caryophyllea, aira praecox, erigeron canadensis, erodium cicutarium, holcus lanatus, ornithopus perpusillus, potentilla argentea, scleranthus annuus, veronica arvensis, hypochaeris radicata, plantago lanceolata, trifolium dubium, viola arvensis, viola tricolor