geranium purpureum, medicago lupulina, chaenorhinum minus, bromus sterilis, digitaria sanguinalis, eragrostis minor, erigeron canadensis, fallopia convolvulus, lepidium virginicum, plantago lanceolata, senecio viscosus, setaria viridis, chenopodium album, erigeron annuus, galium mollugo, matricaria discoidea, oxalis stricta, plantago major, polygonum aviculare, trifolium repens, veronica serpyllifolia, barbarea vulgaris, daucus carota, galeopsis pubescens, impatiens parviflora, lactuca serriola, persicaria maculosa, tripleurospermum inodorum