[Sedges: The Genus Carex in the Cascade Mountains of Oregon and Washington]

Hall's Sedge, Oregon Sedge

Carex halliana

Synonym: Carex oregonensis

Hall's Sedge, Oregon Sedge: Carex halliana (Synonym: Carex oregonensis)

The photo above shows Hall's sedge as seen on the dry, coarsely volcanic sand slopes of Mt. Hood about one-half mile east of Timberline Lodge along the Pacific Crest Trail............August 29, 2008. Note that each spike in the inflorescence is relatively long and narrow.

Hall's Sedge, Oregon Sedge: Carex halliana (Synonym: Carex oregonensis) - Female spike of Hall's Sedge, Oregon Sedge: Carex halliana (Synonym: Carex oregonensis)

The photo above left shows a close-up of the terminal male spike of Hall's sedge as seen along the Pacific Crest Trail about one-half mile east of Timberline Lodge on Mt. Hood..........August 29, 2008. The female spike can be seen in the photo at right.

Perigynia of Hall's Sedge, Oregon Sedge: Carex halliana (Synonym: Carex oregonensis) - Perigynia of Hall's Sedge, Oregon Sedge: Carex halliana (Synonym: Carex oregonensis)

The 2 photos above show close-ups of the perigynia of Hall's sedge as seen along the Pacific Crest Trail about one-half mile east of Timberline Lodge on Mt. Hood............August 29, 2008. Note that the perigynia are pubescent. Although not visible here, there would normally be 3 stigmas.

Hall's Sedge, Oregon Sedge: Carex halliana (Synonym: Carex oregonensis) - Inflorescence of Hall's Sedge, Oregon Sedge: Carex halliana (Synonym: Carex oregonensis)

The photo at left shows a close-up of Hall's sedge as seen along the Pacific Crest Trail about one-half mile east of Timberline Lodge on Mt. Hood...........August 29, 2008. The photo at right shows a close-up of the inflorescence of Hall's sedge as seen on ski slopes along the Timberline Trail at Mount Hood Meadows Ski Area.........July 6, 2019.

Female spike of Hall's Sedge, Oregon Sedge: Carex halliana (Synonym: Carex oregonensis) - Female spikes of Hall's Sedge, Oregon Sedge: Carex halliana (Synonym: Carex oregonensis) - Female spike of Hall's Sedge, Oregon Sedge: Carex halliana (Synonym: Carex oregonensis) -

The 3 photos above show several close-ups of the female spikes of Hall's sedge as seen along the Pacific Crest Trail about one-half mile east of Timberline Lodge on Mt. Hood..........August 29, 2008. Click each photo to see an enlarged view.

Hall's Sedge, Oregon Sedge: Carex halliana (Synonym: Carex oregonensis) - Inflorescence of Hall's Sedge, Oregon Sedge: Carex halliana (Synonym: Carex oregonensis) - Inflorescence of Hall's Sedge, Oregon Sedge: Carex halliana (Synonym: Carex oregonensis)

Perigynia of Hall's Sedge, Oregon Sedge: Carex halliana (Synonym: Carex oregonensis) - Female spikes of Hall's Sedge, Oregon Sedge: Carex halliana (Synonym: Carex oregonensis)

Close-up views of Hall's sedge as seen along the Umbrella Falls Trail #667, just below the Timberline Trail near Mt. Hood Meadows Ski Area.........July 25, 2010. Note the hairs covering the perigynia as well as the 3 stigmas.

Hall's Sedge, Oregon Sedge: Carex halliana (Synonym: Carex oregonensis) - Inflorescence of Hall's Sedge, Oregon Sedge: Carex halliana (Synonym: Carex oregonensis) - Hall's Sedge, Oregon Sedge: Carex halliana (Synonym: Carex oregonensis)

Close-up images of Hall's sedge as seen along the Vista Ridge ski trail at Mt. Hood Meadows Ski Resort, Mt. Hood National Forest.........July 18, 2017.

Paul Slichter