conium maculatum, cirsium arvense, elymus repens, convolvulus arvensis, hordeum murinum, poa trivialis, achillea millefolium, arctium lappa, artemisia vulgaris, bromus sterilis, calystegia sepium, carduus acanthoides, crepis biennis, erigeron canadensis, matricaria chamomilla, persicaria lapathifolia, polygonum aviculare, rubus caesius, rumex crispus, silene latifolia, sonchus arvensis, tripleurospermum inodorum, urtica dioica