elymus repens, convolvulus arvensis, tripleurospermum maritimum, artemisia vulgaris, rumex acetosella, tussilago farfara, achillea millefolium, bidens tripartita, chenopodium album, corynephorus canescens, echium vulgare, erigeron canadensis, poa trivialis, polygonum aviculare, scleranthus perennis, stellaria media