agrostis capillaris, arabidopsis arenosa, arenaria serpyllifolia, cerastium holosteoides, poa annua, artemisia vulgaris, bromus hordeaceus, linaria vulgaris, medicago lupulina, plantago major, poa compressa, scleranthus perennis, crepis tectorum, daucus carota, erigeron canadensis, geranium robertianum, matricaria discoidea, rubus idaeus, tussilago farfara