fraxinus pennsylvanica, anthoxanthum repens, bidens tripartita, bromus inermis, calystegia sepium, convolvulus arvensis, elymus repens, euphorbia palustris, gratiola officinalis, inula britannica, jacobaea vulgaris, lythrum virgatum, mentha arvensis, persicaria amphibia, rorippa palustris, stachys palustris, thalictrum flavum, xanthium strumarium