centaurea cyanus, agrostis capillaris, apera spica-venti, aphanes arvensis, cirsium arvense, convolvulus arvensis, elymus repens, equisetum arvense, euphorbia esula, galium aparine, lapsana communis, myosotis arvensis, vicia hirsuta, viola tricolor, brachythecium rutabulum, capsella bursa-pastoris, ceratodon purpureus, chenopodium album, geranium dissectum, tripleurospermum inodorum, veronica agrestis