Water Sedge
Carex aquatilis var. aquatilis
Synonyms: Carex acutinella, Carex aquatilis ssp. altior, Carex aquatilis var. altior, Carex aquatilis var. substricta, Carex interimus, Carex pachystoma, Carex substricta, Carex suksdorfii, Carex variabilis
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Water sedge observed on the shoreline of Sheep Lake, Olallie Lake Scenic Area, Mt. Hood National Forest......September 13, 2019.
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Close-up of the inflorescence of water sedge as seen in a ditch alongside Forest Service Road 16 in Summit Prairie, Malheur National Forest........August 2, 2011.
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Additional close-up photos of water sedge as seen in a ditch alongside Forest Service Road 16 in Summit Prairie, Malheur National Forest.........August 2, 2011. Note that the scales subtending each perigynia are reddish-margined with a broad, light-green central band. The scales are longer but much thinner than the perigynia. Note also the chestnut-brown base of the culm and rhizomatous nature of this plant.
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Water sedge as seen along the shore with silvery sedge (Carex canescens) at Hoffer Lake, Wallowa-Whitman National Forest.........July 25, 2013.
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Water sedge as seen along the shore at Crawfish Lake, Wallowa-Whitman National Forest.......July 26, 2013.
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The inflorescence of water sedge as photographed at Bathtub Meadows on the northern slopes of Mt. Adams........September 28, 2008. Note that the individual spikes are ascending or erec and are not pendant (the result of a long stalk below each lateral spike) as in the similar Sitka sedge. Bathtub Meadows can be found at the southwest corner of Roads #23 and #2390.
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The photo above shows a close-up of the perigynia, scales and lateral spikes of water sedge as photographed at Bathtub Meadows on the northern slopes of Mt. Adams..........September 28, 2008. Note that the scales subtending each perigynia are reddish-margined with a broad, light-green central band. The scales are longer but much thinner than the perigynia.
Paul Slichter