[Grasses of the Columbia River Gorge of Oregon and Washington]

Tall Oatgrass

Arrhenatherum elatius ssp. elatius

Close-up of the inflorescence of Tall Oatgrass: Arrhenatherum elatius ssp. elatius

Close-up of the inflorescence of tall oatgrass as seen along the Twin Tunnels Trail east of Hood River, Oregon............May 27, 2012.

Spikelets of Tall Oatgrass: Arrhenatherum elatius ssp. elatius - Ligule of Tall Oatgrass: Arrhenatherum elatius ssp. elatius

Close-ups of the spikelts and ligule of tall oatgrass as seen along the Twin Tunnels Trail east of Hood River, Oregon............May 27, 2012.

Tall Oatgrass: Arrhenatherum elatius ssp. elatius

Spikelet of tall oatgrass as seen west of Marsh Cutoff Road in the Memaloose area of the central Columbia River Gorge.............November 9, 2011.

Inflorescence of Tall Oatgrass: Arrhenatherum elatius ssp. elatius - Tall Oatgrass: Arrhenatherum elatius ssp. elatius

Tall oatgrass as seen west of Marsh Cutoff Road in the Memaloose area of the central Columbia River Gorge.............November 9, 2011.
Paul Slichter