ceratodon purpureus, bromus tectorum, arenaria serpyllifolia, arrhenatherum elatius, artemisia campestris, artemisia vulgaris, daucus carota, erigeron annuus, pilosella officinarum, viola arvensis, calamagrostis epigejos, echium vulgare, erigeron canadensis, filago arvensis, jacobaea vulgaris, medicago lupulina, populus tremula, rumex acetosella, scleranthus perennis, senecio vernalis, tripleurospermum inodorum, vicia hirsuta