carex melanostachya, achillea salicifolia, althaea officinalis, anthoxanthum repens, artemisia abrotanum, asparagus officinalis, bolboschoenus maritimus, bromus inermis, cirsium arvense, convolvulus arvensis, echinochloa crus-galli, euphorbia tommasiniana, fraxinus pennsylvanica, galium rubioides, gratiola officinalis, inula britannica, lysimachia vulgaris, lythrum virgatum, phalaris arundinacea, sonchus arvensis, stachys palustris, thalictrum flavum