Description: English: Schoenoplectus pungens (Vahl) Palla - common threesquare bulrush - Mackinac County, Michigan, United States. Date: 10 February 2014, 07:05:42. Source: http://www.forestryimages.org/browse/detail.cfm?imgnum=5497391. Author: Rob Routledge, Sault College, Bugwood.org.
Description: Schoenoplectus pungens nuts are about 3 mm long. Yass River, Gundaroo NSW Australia, April 2009. Date: 19 April 2009, 10:32. Source: Schoenoplectus pungens seeds. Author: John Tann from Sydney, Australia. Camera location35° 01′ 12″ S, 149° 15′ 39.6″ EView all coordinates using: OpenStreetMap-35.020000; 149.261000.
Description: Schoenoplectus americanus at Humboldt Bay National Wildlife Refuge Complex, California, USA. Date: Unknown dateUnknown date. Source: http://www.fws.gov/humboldtbay/plantguide/genus-s.html as Scirpus americanus. Author: Gordon Leppig & Andrea J. Pickart. Permission(Reusing this file): public domain - with attribution [1].
Description: English: Schoenoplectus heterochaetus syn. Scirpus heterochaetus from Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 332. Courtesy of Kentucky Native Plant Society. Scanned by Omnitek Inc. Date: 1913. Source: http://plants.usda.gov/java/largeImage?imageID=sche_001_avd.tif. Author: Britton, N.L., and A. Brown. Permission(Reusing this file): PD-US.
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