populus canadensis, arrhenatherum elatius, brachythecium rutabulum, cirsium arvense, dactylis glomerata, elymus repens, festuca rubra, pastinaca sativa, phragmites australis, poa pratensis, poa trivialis, ranunculus repens, trifolium pratense, vicia cracca, anthriscus sylvestris, bellis perennis, cerastium holosteoides, cirsium vulgare, geranium dissectum, plantago lanceolata, symphytum officinale