text: ulmus laevis, populus nigra, aristolochia clematitis, rubus caesius, asparagus officinalis, calamagrostis epigejos, cannabis sativa, carex praecox, convolvulus arvensis, glycyrrhiza glabra, heracleum sphondylium, lamium amplexicaule, medicago sativa, orthotrichum pumilum, parmelia sulcata, physcia stellaris, poa angustifolia, xanthoria parietina