text: matricaria chamomilla, echium vulgare, erigeron acris, poa angustifolia, ambrosia artemisiifolia, cichorium intybus, cirsium arvense, convolvulus arvensis, elymus repens, euphorbia esula, jacobaea erucifolia, lactuca serriola, lathyrus tuberosus, medicago falcata, melilotus officinalis, onobrychis arenaria, reseda lutea, tragopogon dubius, vicia cracca, viola kitaibeliana, bromus tectorum