tussilago farfara, agrostis stolonifera, bidens frondosa, ceratodon purpureus, cirsium arvense, elymus repens, equisetum arvense, glechoma hederacea, lactuca serriola, plantago major, poa annua, poa pratensis, aegopodium podagraria, chenopodium album, crepis biennis, holcus lanatus, lolium perenne, medicago lupulina, plantago lanceolata, scorzoneroides autumnalis, tripleurospermum inodorum