American Bistort, Snakeweed, Mountain Meadow Knotweed, Western Bistort
Bistorta bistortoides
Synonyms: Persicaria bistortoides, Polygonum bistortoides, Polygonum bistortoides var. linearifolium, Polygonum bistortoides var. oblongifolium, Polygonum cephalophorum, Polygonum glastifolium, Polygonum vulcanicum
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American bistort blooming at left in the meadow at High Prairie, Mount Hood National Forest.....July 3, 2024.
American bistort forming fruits at right in the meadow at High Prairie, Mount Hood National Forest.....August 18, 2024.
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The photo at right shows american bistort from Mt Rainier National Park...... August 23, 1996
Paul Slichter