cirsium arvense, elymus repens, apera spica-venti, artemisia vulgaris, deschampsia cespitosa, erigeron canadensis, galeopsis speciosa, galium aparine, mentha arvensis, myosotis arvensis, urtica dioica, vicia hirsuta, cynoglossum officinale, fallopia convolvulus, persicaria amphibia, silene latifolia, sonchus arvensis, tripleurospermum inodorum, vicia cracca