Three-ribbed Arrowgrass
Triglochin striata

Three-ribbed arrowgrass as seen on mudflats along the eastern edge of Bayocean Spit, northern Oregon coast...........August 25, 2012.

Three-ribbed arrowgrass as seen on mudflats along the eastern edge of Bayocean Spit, northern Oregon coast...........August 25, 2012.
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Three-ribbed arrowgrass as seen on mudflats at the outlet of Beaver Creek onto Ona Beach, Ona Beach State Park.........September 30, 2017.
Paul Slichter