prunus spinosa, achillea millefolium, apera spica-venti, artemisia vulgaris, astragalus cicer, convolvulus arvensis, dactylis glomerata, elymus repens, equisetum arvense, erigeron canadensis, galium aparine, heracleum sphondylium, hypericum perforatum, poa angustifolia, poa pratensis, scleranthus annuus, trifolium pratense, urtica dioica