poa pratensis, achillea millefolium, agrostis gigantea, argentina anserina, artemisia absinthium, capsella bursa-pastoris, erigeron podolicus, geum rivale, phleum pratense, plantago major, lolium pratense, matricaria discoidea, pimpinella saxifraga, polygonum aviculare, scorzoneroides autumnalis, stellaria graminea, trifolium repens