buglossoides arvensis, convolvulus arvensis, centaurea cyanus, chenopodium album, cirsium arvense, alyssum alyssoides, arenaria serpyllifolia, euphorbia helioscopia, setaria viridis, viola arvensis, bromus squarrosus, bromus tectorum, descurainia sophia, galium aparine, lathyrus pratensis, lysimachia vulgaris, odontites luteus, roemeria argemone, vicia onobrychioides