chenopodium album, capsella bursa-pastoris, digitaria ischaemum, elymus repens, equisetum arvense, erigeron canadensis, galium aparine, geranium pusillum, lipandra polysperma, oxalis stricta, persicaria lapathifolia, polygonum aviculare, ranunculus repens, setaria viridis, silene latifolia, stellaria aquatica, stellaria media, trifolium campestre, trifolium repens, vicia tetrasperma, artemisia vulgaris, cerastium holosteoides, galinsoga parviflora, lathyrus pratensis, linaria vulgaris, saponaria officinalis, urtica urens, vicia hirsuta