text: chenopodium album, echinochloa crus-galli, elymus repens, galinsoga parviflora, persicaria maculosa, poa annua, polygonum aviculare, artemisia vulgaris, capsella bursa-pastoris, dactylis glomerata, erigeron canadensis, persicaria lapathifolia, sisymbrium officinale, vicia cracca, anthriscus sylvestris, galeopsis tetrahit, sonchus asper, stachys palustris, tanacetum vulgare, tripleurospermum maritimum, cirsium arvense, lamium album