text: asperugo procumbens, chenopodium album, stellaria media, amaranthus retroflexus, apera spica-venti, artemisia vulgaris, bassia scoparia, bromus tectorum, capsella bursa-pastoris, chenopodiastrum hybridum, galinsoga parviflora, pimpinella saxifraga, poa annua, poa pratensis, rumex thyrsiflorus, urtica urens, aethusa cynapium, descurainia sophia, elymus repens, galeopsis pubescens, polygonum aviculare