American bistort (Western bistort) (smokeweed) (mountain meadow knotweed) (Polygonum bistortoides (Bistorta bistortoides), Gunnison National Forest, Colorado, United States of America, North America

Spring bloom of Persicaria bistorta at Lej da Champfer, St. Moritz, Upper Engadine, Canton of Graubunden, Switzerland, Europe

Spring bloom of Persicaria bistorta at Lej da Champfer, St. Moritz, Upper Engadine, Canton of Graubunden, Switzerland, Europe

Wildflowers in Austria, Europe