herniaria glabra, chenopodium album, arenaria serpyllifolia, artemisia vulgaris, bryum argenteum, capsella bursa-pastoris, ceratodon purpureus, erigeron canadensis, matricaria discoidea, medicago lupulina, persicaria maculosa, plantago major, poa annua, senecio viscosus, tripleurospermum inodorum, agrostis capillaris, epilobium hirsutum, phleum pratense, sonchus oleraceus