bryum argenteum, gnaphalium uliginosum, plantago uliginosa, poa annua, polygonum aviculare, sagina procumbens, gemmabryum caespiticium, juncus bufonius, capsella bursa-pastoris, chenopodium album, erigeron canadensis, matricaria discoidea, rumex acetosella, scleranthus annuus, senecio vulgaris, sisymbrium officinale, spergularia rubra