anthoxanthum repens, gratiola officinalis, carex melanostachya, cirsium arvense, lythrum salicaria, phalaris arundinacea, achillea salicifolia, bidens tripartita, convolvulus arvensis, echinochloa crus-galli, glechoma hederacea, inula britannica, jacobaea vulgaris, mentha arvensis, persicaria hydropiper, plantago major, polygonum patulum, rubia tatarica, stachys palustris