bryum argenteum, sagina procumbens, matricaria discoidea, achillea millefolium, agrostis capillaris, capsella bursa-pastoris, erigeron canadensis, lepidium ruderale, marchantia polymorpha, poa annua, polygonum aviculare, potentilla supina, prunella vulgaris, stellaria media, persicaria hydropiper, potentilla reptans, tripleurospermum inodorum