artemisia campestris, anacyclus clavatus, avena barbata, bromus hordeaceus, bromus madritensis, bromus rubens, bromus sterilis, carduus tenuiflorus, catapodium rigidum, convolvulus arvensis, cynanchum acutum, hordeum murinum, lepidium draba, papaver rhoeas, plantago coronopus, plantago lagopus, plantago lanceolata, poa annua, polygonum aviculare, rostraria cristata, rumex crispus, spergularia rubra