achillea millefolium, agrostis capillaris, argentina anserina, cerastium holosteoides, elymus repens, lolium perenne, poa pratensis, dactylis glomerata, holcus lanatus, potentilla reptans, trifolium repens, geranium molle, ranunculus repens, rumex acetosella, erigeron canadensis, hypochaeris radicata, persicaria hydropiper