ophioglossum vulgatum, calamagrostis epigejos, argentina anserina, holcus lanatus, hydrocotyle vulgaris, poa pratensis, salix repens, carex flacca, cerastium holosteoides, cirsium dissectum, hippophae rhamnoides, linum catharticum, lotus pedunculatus, mentha aquatica, prunella vulgaris, ranunculus flammula, rhinanthus minor