Original identification: Calamagrostis tweedyi
Current identification: Calamagrostis tweedyi
Photographer: Clayton J. Antieau
Date Photographed: August 9, 1990
Location: U.S.A., Washington, Yakima County: Unit 2, Trigger Sale, Pileup Watershed, Naches Ranger District, WNF.
Elevation: [not provided]
Coordinates: [not provided]