populus canadensis, arrhenatherum elatius, lolium perenne, rubus caesius, elymus repens, lathyrus pratensis, festuca rubra, poa annua, plantago lanceolata, trifolium repens, achillea millefolium, anthriscus sylvestris, cerastium holosteoides, cirsium arvense, dactylis glomerata, equisetum arvense, holcus lanatus, jacobaea erucifolia, lathyrus tuberosus, matricaria discoidea, medicago lupulina, phragmites australis, plantago major, poa pratensis, ranunculus acris, ranunculus repens, symphytum officinale, trifolium pratense, rumex crispus, salix cinerea