tripleurospermum inodorum, convolvulus arvensis, matricaria discoidea, alopecurus pratensis, equisetum arvense, polygonum aviculare, cirsium arvense, elymus repens, euphorbia helioscopia, fumaria officinalis, galium aparine, geranium dissectum, lamium purpureum, persicaria lapathifolia, persicaria maculosa, rumex conglomeratus, sonchus asper, tussilago farfara, veronica persica