Canarygrass in the Columbia River Gorge of Oregon and Washington
The Genus Phalaris

Reed canarygrass late in the season as seen on formerly grazed lands at the Sandy River Delta, western edge of the Columbia River Gorge........September 29, 2012.
Reed Canarygrass: Phalaris arundinacea (Synonyms: Phalaris arundinacea var. arundinacea, Phalaris arundinacea var. picta, Phalaroides arundinacea, Phalaroides arundinacea var. picta)
Annual Canarygrass, Canarygrass: Phalaris canariensis