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.
The photo above 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 photo above shows a close-up of a female 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.
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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.
The photo above 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.
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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.
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Close-ups of the inflorescence of Hall's sedge as seen in Muddy Meadows near the trailhead, northern slopes of Mt. Adams.............August 28, 2012.
Paul Slichter