symphyotrichum ciliatum, erigeron canadensis, achillea collina, amaranthus albus, ambrosia artemisiifolia, arctium lappa, atriplex prostrata, bidens cernuus, bromus commutatus, cichorium intybus, cyclachaena xanthiifolia, daucus carota, galinsoga parviflora, hibiscus trionum, inula britannica, lepidium ruderale, lotus tenuis, oxybasis glauca, oxybasis urbica, persicaria lapathifolia, polygonum aviculare, puccinellia distans, tripleurospermum inodorum, xanthium strumarium