text: poa annua, apera spica-venti, artemisia vulgaris, elymus repens, erigeron canadensis, bromus hordeaceus, poa pratensis, tanacetum vulgare, trifolium repens, agrostis capillaris, calamagrostis epigejos, chenopodium album, cirsium arvense, dactylis glomerata, geranium molle, medicago lupulina, plantago major, trifolium arvense, trifolium hybridum, tripleurospermum inodorum, urtica dioica, vicia cracca, vicia hirsuta, vicia sativa, carduus nutans, crepis tectorum, sonchus arvensis, sonchus oleraceus