corispermum intermedium, chenopodium album, medicago lupulina, rumex acetosella, amaranthus retroflexus, arenaria serpyllifolia, calamagrostis epigejos, elymus repens, poa compressa, quercus rubra, artemisia vulgaris, berteroa incana, fallopia convolvulus, senecio vernalis, setaria viridis, digitaria ischaemum, solanum nigrum