American Sloughgrass, Sloughgrass
Beckmannia syzigachne
Synonyms: Beckmannia eruciformis, Beckmannia eruciformis ssp. baicalensis, Beckmannia eruciformis var. uniflora, Beckmannia syzigachne ssp. baicalensis, Beckmannia syzigachne var. uniflora
-- 
Close-up views of the maturing fruits ot american sloughgrass as seen in vernal pools above Horsethief Butte to the east of the junction of US 197 and Washington Highway 14 in the eastern Columbia River Gorge.......July 10, 2009.

American sloughgrass as seen in vernal pools above Horsethief Butte to the east of the junction of US 197 and Washington Highway 14 in the eastern Columbia River Gorge........July 10, 2009.
Paul Slichter