lv, latgale, elymus repens, picea abies, grindelia squarrosa, ambrosia artemisiifolia, plantago major, pinus sylvestris, sorbus aucuparia, betula pubescens, polygonum aviculare, achillea collina, vaccinium myrtillus, vaccinium vitis-idaea, populus tremula, lactuca serriola, convolvulus arvensis, poa angustifolia, acer platanoides, achillea millefolium, cichorium intybus, centaurea diffusa, chenopodium album, cirsium arvense, betula pendula, plantago lanceolata, cyclachaena xanthiifolia, picea obovata, ballota nigra, erigeron canadensis, maianthemum bifolium, salix caprea, rhododendron tomentosum, quercus robur, melampyrum pratense, hordeum murinum, bromus tectorum, chelidonium majus, dactylis glomerata, artemisia absinthium, urtica dioica, bromus squarrosus, erigeron annuus, atriplex tatarica, berteroa incana, potentilla argentea, trifolium repens, juniperus communis, dryopteris carthusiana, crepis tectorum, festuca valesiaca, solidago virgaurea