artemisia vulgaris, plantago major, lipandra polysperma, polygonum aviculare, capsella bursa-pastoris, chenopodium album, chenopodium ficifolium, equisetum arvense, erigeron annuus, erigeron canadensis, galeopsis pubescens, medicago lupulina, persicaria maculosa, setaria pumila, silene latifolia, stellaria aquatica, trifolium repens, digitaria sanguinalis, echinochloa crus-galli, galinsoga quadriradiata, heracleum sphondylium, oxalis stricta, rubus idaeus, sonchus oleraceus, trifolium pratense, amaranthus powellii, cichorium intybus, cirsium oleraceum, geranium sibiricum, impatiens parviflora, scrophularia nodosa, sonchus asper