alopecurus myosuroides, apera spica-venti, sagina procumbens, stellaria media, aphanes arvensis, arenaria serpyllifolia, matricaria chamomilla, poa annua, capsella bursa-pastoris, centaurea cyanus, fallopia convolvulus, papaver rhoeas, persicaria amphibia, polygonum aviculare, roemeria argemone, tripleurospermum inodorum