triticum aestivum, medicago lupulina, polygonum aviculare, trifolium repens, apera spica-venti, capsella bursa-pastoris, chenopodium album, glechoma hederacea, lolium temulentum, matricaria chamomilla, papaver rhoeas, persicaria maculosa, poa annua, potentilla reptans, ranunculus repens, roemeria argemone, stellaria media, vicia sativa