helianthus tuberosus, urtica dioica, acer negundo, angelica sylvestris, arctium lappa, arctium tomentosum, artemisia vulgaris, bromus benekenii, calystegia sepium, carduus crispus, dactylis glomerata, echinocystis lobata, erigeron annuus, galium rivale, mentha arvensis, mentha longifolia, persicaria lapathifolia, phalaris arundinacea, poa palustris, solidago canadensis, stellaria aquatica, symphyotrichum lanceolatum, vicia cracca