centaurea cyanus, elymus repens, mentha arvensis, acer negundo, aegopodium podagraria, aphanes arvensis, arenaria serpyllifolia, calystegia sepium, cirsium arvense, equisetum arvense, erigeron canadensis, helianthus tuberosus, oxalis stricta, poa trivialis, ranunculus repens, vicia sativa, apera spica-venti, artemisia vulgaris, cerastium glomeratum, dactylis glomerata, erigeron annuus, legousia speculum-veneris, lysimachia arvensis, medicago lupulina, mentha longifolia, myosotis arvensis, papaver rhoeas, stellaria media, tanacetum vulgare, trifolium pratense, valerianella rimosa, veronica arvensis, veronica persica, viola arvensis