populus nigra, bromus inermis, elymus repens, poa angustifolia, asparagus officinalis, carex stenophylla, eryngium planum, calamagrostis epigejos, convolvulus arvensis, cynanchum acutum, erigeron canadensis, euphorbia tommasiniana, glycyrrhiza echinata, medicago sativa, ulmus laevis