text: hippophae rhamnoides, melilotus albus, petasites spurius, amorpha fruticosa, cynanchum acutum, cynodon dactylon, elaeagnus angustifolia, erigeron canadensis, leymus racemosus, oenothera biennis, tamarix ramosissima, calamagrostis epigejos, chenopodium album, solidago canadensis, verbascum blattaria