erigeron canadensis, erigeron acris, falcaria vulgaris, ambrosia artemisiifolia, convolvulus arvensis, delphinium consolida, euphorbia seguieriana, melilotus officinalis, noccaea perfoliata, carduus acanthoides, chondrilla juncea, cyclachaena xanthiifolia, lactuca tatarica, lappula squarrosa, pilosella echioides, plantago major, poa angustifolia, tragopogon dubius