cirsium arvense, echinochloa crus-galli, helianthus annuus, calystegia sepium, zea mays, amaranthus retroflexus, artemisia vulgaris, chenopodium album, cucurbita pepo, erigeron canadensis, geranium dissectum, medicago varia, oxalis stricta, persicaria lapathifolia, stachys palustris, euphorbia helioscopia, galinsoga parviflora, lythrum salicaria, matricaria chamomilla, ranunculus repens, sonchus arvensis, barbarea stricta, brassica napus, capsella bursa-pastoris, lamium purpureum, vicia cracca