poa annua, poa trivialis, agrostis gigantea, atriplex sagittata, capsella bursa-pastoris, matricaria discoidea, puccinellia distans, tripleurospermum inodorum, achillea millefolium, cerastium holosteoides, dactylis glomerata, plantago major, poa pratensis, polygonum aviculare, ranunculus repens, solidago canadensis, stellaria media, trifolium repens, tussilago farfara, arctium minus, artemisia vulgaris, bellis perennis, cirsium arvense, melilotus albus, persicaria lapathifolia, persicaria maculosa, phalaris arundinacea, rumex obtusifolius, senecio vulgaris, sonchus asper