[Hedge-hyssop: The Genus Gratiola East of the Cascade Mountains of Oregon and Washington]

Bractless hedge-hyssop as seen in a stock pond along the Old Headquarters Road in the Klickitat Wildlife Area, south-central Washington..........June 28, 2009.

Bractless hedge-hyssop as seen in mud along the edge of a stock pond along the Old Headquarters Road in the Klickitat Wildlife Area, south-central Washington..........June 28, 2009.

Bractless hedge-hyssop as seen in a vernally moist drainage along the Stubblefield Trail, Turnbull National Wildlife Refuge......July 4, 2018.

The photo above shows the upper stem and inflorescence of bractless hedge-hyssop as seen east of Salem, OR........late May, 2006.

The photo above shows bractless hedge-hyssop as seen in a small stream east of Salem, OR.........late May, 2006.

The photo above shows a close-up of a stem leaf of bractless hedge-hyssop as seen east of Salem, OR.........late May, 2006.

The photo above shows the upper stem leaves and inflorescence of bractless hedge-hyssop as seen east of Salem, OR.........late May, 2006.