secale cereale, aethusa cynapium, adonis aestivalis, centaurea cyanus, cirsium arvense, delphinium consolida, papaver rhoeas, silene noctiflora, stachys annua, arenaria serpyllifolia, chaenorhinum minus, convolvulus arvensis, elymus repens, erigeron canadensis, euphorbia exigua, fallopia convolvulus, lathyrus tuberosus, polygonum aviculare, tripleurospermum inodorum