catapodium rigidum, herniaria glabra, hordeum murinum, paronychia argentea, plantago coronopus, rostraria cristata, sagina apetala, amaranthus deflexus, capsella bursa-pastoris, herniaria cinerea, matricaria chamomilla, piptatherum miliaceum, polygonum aviculare, senecio vulgaris, setaria verticillata, veronica hederifolia, poa annua