agrostis capillaris, arabidopsis arenosa, arenaria serpyllifolia, cerastium holosteoides, lolium perenne, plantago major, achillea millefolium, bromus hordeaceus, medicago lupulina, poa compressa, trifolium repens, veronica chamaedrys, erigeron canadensis, gnaphalium sylvaticum, hypericum perforatum, hypochaeris radicata, populus tremula, scorzoneroides autumnalis, tussilago farfara