lathyrus tuberosus, triticum aestivum, apera spica-venti, euphorbia exigua, silene noctiflora, tussilago farfara, delphinium consolida, myosotis arvensis, cirsium arvense, convolvulus arvensis, equisetum arvense, euphorbia helioscopia, fallopia convolvulus, galium aparine, papaver rhoeas, polygonum aviculare, secale cereale, thlaspi arvense, tripleurospermum inodorum, viola arvensis