populus canadensis, carex acuta, carex disticha, alopecurus pratensis, angelica sylvestris, arrhenatherum elatius, lythrum salicaria, persicaria amphibia, phalaris arundinacea, poa trivialis, symphytum officinale, epipactis helleborine, heracleum sphondylium, iris pseudacorus, juncus effusus, myosotis scorpioides, silene flos-cuculi, sonchus oleraceus, tanacetum vulgare, thalictrum flavum