solanum tuberosum, amaranthus retroflexus, chaenorhinum minus, stachys annua, artemisia vulgaris, chenopodiastrum hybridum, euphorbia exigua, mercurialis annua, sonchus asper, convolvulus arvensis, euphorbia helioscopia, lathyrus tuberosus, oxybasis rubra, reseda lutea, tripleurospermum inodorum