agrostis stolonifera, phalaris arundinacea, plantago lanceolata, calamagrostis epigejos, crepis biennis, erigeron canadensis, lepidium campestre, melilotus albus, persicaria mitis, plantago major, poa trivialis, polygonum aviculare, scrophularia nodosa, stellaria aquatica, trifolium hybridum, urtica dioica, barbarea vulgaris, glechoma hederacea, impatiens parviflora, ranunculus repens, solidago canadensis, tripleurospermum inodorum