bolboschoenus maritimus, bromus hordeaceus, capsella bursa-pastoris, chenopodium album, chenopodium ficifolium, equisetum arvense, lipandra polysperma, matricaria discoidea, persicaria lapathifolia, poa annua, poa trivialis, polygonum aviculare, senecio vulgaris, sisymbrium officinale, stellaria media, urtica urens