calamagrostis epigejos, elymus repens, carex melanostachya, agrimonia eupatoria, bidens frondosa, bromus inermis, cichorium intybus, eryngium planum, fraxinus pennsylvanica, lactuca serriola, medicago sativa, poa angustifolia, polygonum aviculare, rorippa brachycarpa, rumex crispus, sonchus arvensis