digitaria ischaemum, equisetum palustre, silene latifolia, carex hirta, elymus repens, galium aparine, lathyrus pratensis, medicago lupulina, mentha arvensis, myosotis arvensis, persicaria lapathifolia, phragmites australis, ranunculus repens, setaria pumila, silene vulgaris, sonchus arvensis, stellaria aquatica, trifolium repens, achillea millefolium, bidens tripartita, centaurium pulchellum, echinochloa crus-galli, galinsoga parviflora, galinsoga quadriradiata, galium spurium, lythrum salicaria, trifolium hybridum