beautiful caucasus summer herbs on the blue sky background in the meadow of elbrus national park, russia

adders alania alpine background beautiful beauty biology bistort bistorta bloom blossom cancer caprifoliaceae caucasus central cloudy district drug english field flora floral flower flowers grass green herbs knotgrass landscape meadow mountain nature outdoor plant root russia season serpent serpentary slope snake snakeroot snakeweed summer tea unexplored upper valerian white wort zgur zgurskoye