Original identification: Hydrophyllum capitatum var. capitatum
Current identification: Hydrophyllum capitatum var. capitatum
Photographer: Ron Bockelman
Date Photographed: May 19, 2011
Location: U.S.A., Washington, Columbia County: Umatilla NF Middle Point Ridge Trail No. 3116, Blue Mountains.
Elevation: 3523 ft.
Coordinates: 46.1443°, -117.8026°
Phenology: Flowers
Comments: Penknife is 6 cm long. Crossarm on penknife shield is 4 mm long.