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Washington Flora Checklist A Checklist of the Vascular Plants of Washington State Hosted by the University of Washington Herbarium |
About| Cyperaceae (Sedge Family) |
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Notes: Originally based on draft treatment by Peter Zika, March 2000; next updated 2004 based on Flora of North America, Volume 23; most recent update in 2009 based on "Field Guide to the Sedges of the Pacific Northwest" (SPNW) [2008]. Family Synonyms: (none) Literature: » Wilson, B. L., R. Brainerd, D. Lytjen, B. Newhouse, and N. Otting. 2008. Field guide to the sedges of the Pacific Northwest. Oregon State University Press, Corvallis, OR.
Wilson, B. L., R. Brainerd, M. Huso, K. Kuykendall, D. Lytjen, B. Newhouse, N. Otting, S. Sundberg and P. Zika. 1999. Atlas of Oregon Carex. Native Plant Society of Oregon, Occasional Paper No. 1. Eugene, OR. 29 pp. Family treatment authored by Fred Weinmann, Peter F. Zika; last updated 11/19/2009 by David Giblin
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| Taxon (native species in boldface) | # Synonyms | Common Names |
| Amphiscirpus nevadensis (S. Wats.) Oteng Yeboah [FNA23] | 2 | Nevada bulrush |
| Bolboschoenus fluviatilis (Torr.) Sojak [FNA23] | 3 | river bulrush |
| Bolboschoenus maritimus L. ssp. paludosus (A. Nelson) T. Koyama [FNA23] | 5 | saltmarsh bulrush, seacoast bulrush |
| Carex albonigra Mack. [SPNW, FNA23] | 0 | black-and-white-scaled sedge |
| Carex amplifolia Boott [SPNW, FNA23] | 0 | big-leaf sedge |
| Carex angustata Boott [SPNW, FNA23] | 3 | many-fruit sedge, wide-fruited sedge |
| Carex anthoxanthea J. Presl & C. Presl [SPNW, FNA23] | 0 | yellow-flowered sedge, grassy-slope arctic sedge |
| Carex aperta Boott [SPNW, FNA23] | 6 | Columbia sedge |
| Carex aquatilis Wahlenb. var. aquatilis [SPNW, FNA23] | 7 | water sedge |
| Carex aquatilis Wahlenb. var. dives (T. Holm) K. Kuk. [SPNW, FNA23] | 4 | |
| Carex arcta Boott [SPNW, FNA23] | 4 | northern clustered sedge |
| Carex atherodes Sprengel [SPNW, FNA23] | 0 | awned sedge, wheat sedge |
| Carex athrostachya Olney [SPNW, FNA23] | 1 | slender-beak sedge |
| Carex atrosquama Mack. [SPNW, FNA23] | 4 | black-scale sedge |
| Carex aurea Nutt. [SPNW, FNA23] | 0 | golden sedge, pumpkin sedge |
| Carex bebbii (L. H. Bailey) Olney ex Fernald [SPNW, FNA23] | 1 | Bebb's sedge |
| Carex bolanderi Olney [SPNW, FNA23] | 2 | Bolander's sedge |
| Carex brevicaulis Mack. [SPNW, FNA23] | 1 | short-stemmed sedge |
| Carex brevior (Dewey) Mack. [SPNW, FNA23] | 2 | short-beaked sedge |
| Carex breweri Boott [SPNW, FNA23] | 1 | Brewer's sedge |
| Carex brunnescens (Pers.) Poir ssp. brunescens [SPNW, FNA23] | 9 | brown sedge |
| Carex buxbaumii Wahlenb. [SPNW, FNA23] | 3 | Buxbaum's sedge, brown bog sedge |
| Carex californica Bailey [SPNW, FNA23] | 0 | California sedge |
| Carex canescens L. ssp. canescens [SPNW, FNA23] | 5 | grey sedge, silvery sedge |
| Carex capillaris L. [SPNW, FNA23] | 4 | hair sedge |
| Carex chordorrhiza Ehrh. ex L. f. [SPNW, FNA23] | 0 | creeping sedge, cordroot sedge, rope-root sedge |
| Carex circinata C. A. Meyer [SPNW, FNA23] | 0 | coiled sedge |
| Carex comosa Boott [SPNW, FNA23] | 0 | bristly sedge, bearded sedge |
| Carex concinnoides Mack. [SPNW, FNA23] | 0 | northwestern sedge, tetrastigmatic sedge |
| Carex constanceana Stacey [SPNW, FNA23] | 0 | Constance's sedge |
| Carex cordillerana Saarela & B. A. Ford [SPNW, FNA23] | 1 | cordilleran sedge |
| Carex crawei Dewey [SPNW, FNA23] | 0 | Crawe's sedge |
| Carex crawfordii Fernald [SPNW, FNA23] | 0 | Crawford's sedge |
| Carex cusickii Mackenzie ex Piper & Beattie [SPNW, FNA23] | 1 | |
| Carex deflexa Hornem. var. boottii L. H. Bailey [FNA23] | 3 | northern sedge |
| Carex densa (L. H. Bailey) L. H. Bailey [SPNW, FNA23] | 7 | dense sedge |
| Carex deweyana Schwein. var. deweyana [SPNW, FNA23] | 1 | Dewey's sedge |
| Carex diandra Schrank [SPNW, FNA23] | 0 | lesser panicled sedge, lesser tussock sedge |
| Carex disperma Dewey [SPNW, FNA23] | 1 | short-leaf sedge |
| Carex douglasii Boott in W. J. Hooker [SPNW, FNA23] | 0 | Douglas' sedge |
| Carex eburnea Boott [FNA23] | 0 | |
| Carex echinata Murr. ssp. echinata [SPNW, FNA23] | 3 | prickly sedge, stellate sedge |
| Carex echinata Murr. ssp. phyllomanica (W. Boott) Reznicek [SPNW, FNA23] | 1 | coastal stellate sedge |
| Carex engelmannii L. H. Bailey [SPNW, FNA23] | 3 | Mt. Adams sedge |
| Carex exsiccata L. H. Bailey [SPNW, FNA23] | 1 | big inflated sedge |
| Carex feta L. H. Bailey [SPNW, FNA23] | 1 | green-sheath sedge |
| Carex filifolia Nutt. var. filifolia [SPNW, FNA23] | 1 | thread-leaf sedge |
| Carex flava L. [SPNW, FNA23] | 4 | yellow-green sedge, yellow sedge |
| Carex fracta Mack. [SPNW, FNA23] | 0 | fragile-sheath sedge |
| Carex geyeri Boott [SPNW, FNA23] | 0 | elk sedge, Geyer's sedge |
| Carex gynocrates Wormsk. ex Drejer [SPNW, FNA23] | 1 | yellow bog sedge |
| Carex halliana L. H. Bailey [SPNW, FNA23] | 1 | Hall's sedge |
| Carex hassei L. H. Bailey [SPNW] | 3 | false golden sedge |
| Carex hendersonii L. H. Bailey [SPNW, FNA23] | 0 | Henderson's sedge |
| Carex heteroneura W. Boott var. epapillosa (Mack.) F. J. Herm. [SPNW] | 4 | smooth-fruit sedge |
| Carex hoodii Boott [SPNW, FNA23] | 0 | Hood's sedge |
| Carex hystericina Muhl. ex Willd. [SPNW, FNA23] | 1 | porcupine sedge |
| Carex illota L. H. Bailey [SPNW, FNA23] | 0 | small-head sedge |
| Carex infirminerva Naczi [SPNW] | 1 | weak-veined sedge |
| Carex inops L. H. Bailey ssp. inops [SPNW, FNA23] | 3 | long-stolon sedge |
| Carex interior L. H. Bailey [SPNW, FNA23] | 1 | inland sedge |
| Carex interrupta Boeck. [SPNW, FNA23] | 1 | green-fruited sedge |
| Carex jonesii L. H. Bailey [SPNW, FNA23] | 1 | Jones' sedge |
| Carex kobomugi Ohwi [SPNW, FNA23] | 0 | Japanese sedge |
| Carex laeviculmis Meinsh. [SPNW, FNA23] | 1 | smooth-stemmed sedge |
| Carex lasiocarpa Ehrh. [SPNW, FNA23] | 1 | wiregrass |
| Carex lenticularis Michx. var. impressa (L. H. Bailey) L. A. Standl. [SPNW, FNA23] | 3 | few-ribbed sedge |
| Carex lenticularis Michx. var. limnophila (T. Holm) Cronquist [SPNW, FNA23] | 3 | lakeshore sedge |
| Carex lenticularis Michx. var. lipocarpa (Holm) L. A. Standley [SPNW, FNA23] | 4 | Kellog's sedge |
| Carex leporina L. [SPNW] | 2 | oval broom sedge |
| Carex leporinella Mack. [SPNW, FNA23] | 0 | Sierra hare sedge |
| Carex leptalea Wahlenb. [SPNW, FNA23] | 5 | delicate sedge, jelly bean sedge |
| Carex leptopoda Mack. [SPNW, FNA23] | 2 | slenderfoot sedge, short-scaled sedge |
| Carex limosa L. [SPNW, FNA23] | 0 | mud sedge |
| Carex livida (Wahlenb.) [SPNW, FNA23] | 4 | pale sedge |
| Carex longii Mack. [SPNW, FNA23] | 0 | Long's sedge |
| Carex luzulina Olney [SPNW] | 4 | woodrush sedge |
| Carex lyngbyei Hornem. [SPNW, FNA23] | 4 | Lyngbye's sedge |
| Carex macrocephala Willd. ex Spreng. [SPNW, FNA23] | 1 | bighead sedge |
| Carex macrochaeta C. A. Mey. [SPNW, FNA23] | 0 | Alaska long-awn sedge |
| Carex magellanica Lam. ssp. irrigua (Wahlenb.) Hiitonen, Suom,Kasvio [SPNW, FNA23] | 3 | poor sedge |
| Carex media R. Brown [SPNW, FNA23] | 5 | Scandinavian sedge |
| Carex mertensii Prescott ex Bong. [SPNW, FNA23] | 1 | Mertens' sedge |
| Carex micropoda C. A. Meyer [SPNW, FNA23] | 4 | timberline sedge |
| Carex microptera Mack. [SPNW, FNA23] | 6 | small-winged sedge |
| Carex multicostata Mack. [SPNW, FNA23] | 1 | many-ribbed sedge |
| Carex nardina Fries [SPNW, FNA23] | 6 | spikenard sedge |
| Carex nebrascensis Dewey [SPNW, FNA23] | 4 | Nebraska sedge |
| Carex neurophora Mack. [SPNW, FNA23] | 1 | alpine nerve sedge |
| Carex nigricans C. A. Mey. [SPNW, FNA23] | 0 | black alpine sedge |
| Carex nudata W. Boott [SPNW, FNA23] | 6 | torrent sedge |
| Carex obnupta L. H. Bailey [SPNW, FNA23] | 1 | slough sedge |
| Carex obtusata Lilj. [SPNW, FNA23] | 0 | blunt sedge |
| Carex pachystachya Cham. ex Steud. [SPNW, FNA23] | 7 | thick-head sedge |
| Carex pallescens L. [SPNW, FNA23] | 1 | pale green sedge |
| Carex pansa L. H. Bailey [SPNW, FNA23] | 1 | sand sedge |
| Carex pauciflora Lightf. [SPNW, FNA23] | 0 | few-flowered edge |
| Carex pellita Muhl ex Willd. [SPNW, FNA23] | 1 | woolly sedge |
| Carex pendula Huds. [SPNW, FNA23] | 0 | pendulous sedge |
| Carex petasata Dewey [SPNW, FNA23] | 1 | Liddon's sedge |
| Carex phaeocephala Piper [SPNW, FNA23] | 0 | mountain hare sedge |
| Carex pluriflora Hulten [SPNW, FNA23] | 2 | several-flower sedge |
| Carex praeceptorum Mack. [SPNW, FNA23] | 3 | teacher's sedge |
| Carex praegracilis W. Boott [SPNW, FNA23] | 0 | clustered field sedge |
| Carex praticola Rydb. [SPNW, FNA23] | 3 | northern meadow sedge |
| Carex preslii Steud. [SPNW, FNA23] | 0 | Presl's sedge |
| Carex projecta Mack. [SPNW, FNA23] | 0 | necklace sedge |
| Carex proposita Mack. [SPNW, FNA23] | 0 | Smoky Mountain sedge |
| Carex raynoldsii Dewey [SPNW, FNA23] | 1 | Raynolds' sedge |
| Carex retrorsa Schwein. [SPNW, FNA23] | 0 | retrorse sedge |
| Carex rossii Boott [SPNW, FNA23] | 6 | Ross' sedge |
| Carex rostrata Stokes ex With. [SPNW, FNA23] | 1 | rostrate sedge |
| Carex saxatilis L. [SPNW, FNA23] | 8 | russet sedge, limestone sedge |
| Carex scirpoidea Michx. ssp. scirpoidea [SPNW, FNA23] | 8 | |
| Carex scirpoidea Michx. ssp. stenochlaena (Holm) A. & D. Love [SPNW, FNA23] | 2 | Alaska singlespike sedge |
| Carex scoparia Schk. ex Willd. var. scoparia [SPNW, FNA23] | 0 | pointed broom sedge |
| Carex scopulorum Holm var. bracteosa (L. H. Bailey) F. J. Herm. [SPNW, FNA23] | 3 | Sierra alpine sedge |
| Carex scopulorum Holm var. prionophylla (Holm) L. A. Standley [SPNW, FNA23] | 2 | firethread sedge |
| Carex siccata Dewey [SPNW, FNA23] | 4 | dry-spike sedge |
| Carex simulata Mack. [SPNW, FNA23] | 0 | analogue sedge |
| Carex spectabilis Dewey [SPNW, FNA23] | 5 | showy sedge |
| Carex stipata Muhl. ex Willd. var. stipata [SPNW, FNA23] | 3 | sawbeak sedge, awl-fruited sedge |
| Carex straminiformis L. H. Bailey [SPNW, FNA23] | 0 | Mt. Shasta sedge |
| Carex stylosa C. A. Mey. [SPNW, FNA23] | 3 | long-style sedge |
| Carex subbracteata Mack. [FNA23] | 0 | |
| Carex subfusca W. Boott [SPNW, FNA23] | 3 | rusty sedge |
| Carex sychnocephala Carey [SPNW, FNA23] | 0 | many-headed sedge |
| Carex sylvatica Huds. [SPNW, FNA23] | 0 | European woodland sedge |
| Carex tahoensis Smiley [SPNW, FNA23] | 1 | Lake Tahoe sedge |
| Carex tenera Dewey var. tenera [SPNW, FNA23] | 0 | quill sedge, slender sedge |
| Carex tenuiflora Wahlenb. [SPNW, FNA23] | 0 | sparse-flower sedge |
| Carex tumulicola Mack. [SPNW, FNA23] | 0 | foothill sedge |
| Carex unilateralis Mack. [SPNW, FNA23] | 0 | one-sided sedge |
| Carex utriculata Boott [SPNW, FNA23] | 4 | inflated sedge, beaked sedge, Northwest Territory sedge |
| Carex vallicola Dewey [SPNW, FNA23] | 2 | valley sedge |
| Carex vernacula L. H. Bailey [SPNW, FNA23] | 1 | foetid sedge |
| Carex vesicaria L. [SPNW, FNA23] | 0 | oxbow sedge, inflated sedge |
| Carex viridula Michx. ssp. viridula [SPNW] | 10 | greenish sedge |
| Carex vulpinoidea Michx [SPNW, FNA23] | 10 | fox sedge |
| Cyperus acuminatus Torr. & Hook. ex Torr. [FNA23, H&C] | 2 | sharp-pointed flatsedge, taper-tip flatsedge |
| Cyperus bipartitus Torr. [FNA23] | 2 | shining flatsedge |
| Cyperus eragrostis Lam. [FNA23] | 1 | tall flatsedge |
| Cyperus erythrorhizos Muhl. [FNA23, H&C] | 5 | redroot flatsedge |
| Cyperus esculentus L. var. leptostachyus Boeckl. [FNA23] | 7 | yellow nutgrass |
| Cyperus lupulinus (Spreng.) Marcks ssp. lupulinus [FNA23] | 2 | Great Plains flatsedge |
| Cyperus odoratus L. [FNA23] | 1 | scented flatsedge |
| Cyperus schweinitzii Torr. [FNA8, H&C] | 2 | sand flatsedge |
| Cyperus squarrosus L. [FNA23] | 6 | awned flatsedge |
| Cyperus strigosus L. [FNA23, H&C] | 5 | straw-colored flatsedge, false flatsedge |
| Dulichium arundinaceum (L.) Britton var. arundinaceum [FNA23] | 2 | three-way sedge |
| Eleocharis acicularis (L.) Roem. & Schult. [FNA23, H&C] | 5 | needle spikerush |
| Eleocharis atropurpurea (Retz.) J. & C. Presl [FNA23] | 2 | purple spikerush |
| Eleocharis bella (Piper) Svenson [FNA23, H&C] | 2 | pretty spikerush |
| Eleocharis coloradoensis (Britt.) Gilly [FNA23] | 2 | dwarf spike-rush |
| Eleocharis engelmannii Steudel [FNA23] | 6 | Engelman spikerush |
| Eleocharis macrostachya Britt. [FNA23] | 2 | creeping spikerush |
| Eleocharis mamillata (H. Lindberg) H. Lindberg ssp. mamillata [FNA23] | 1 | |
| Eleocharis obtusa (Willd.) Schult. [FNA23] | 5 | blunt spikerush |
| Eleocharis ovata (Roth) Roem. & Schult. [FNA23, H&C in part] | 3 | ovoid spikerush |
| Eleocharis palustris (L.) Roem. & Schult. [FNA23, H&C] | 2 | common spikerush |
| Eleocharis parvula (Roem. & Schult.) Link ex Bluff, Nees & Schauer [FNA23] | 4 | little-head spikerush |
| Eleocharis quinqueflora (F. X. Hartmann) Schwarz [FNA23] | 5 | few-flowered spike-rush |
| Eleocharis rostellata (Torr.) Torr. [FNA23] | 1 | walking sedge, beaked spikerush |
| Eleocharis suksdorfiana Beauv. [FNA23] | 2 | Suksdorf spikerush |
| Eriophorum angustifolium Honck. ssp. angustifolium [FNA23] | 1 | many-spiked cottongrass |
| Eriophorum chamissonis C. A. Mey. [FNA23] | 7 | Chamisso's cotton-grass, russet cottongrass |
| Eriophorum gracile W. D. J. Koch [FNA23, H&C] | 2 | slender cottongrass |
| Eriophorum virginicum L. [FNA23] | 0 | tawny cottongrass |
| Eriophorum viridicarinatum (Engelm.) Fernald [FNA23, H&C] | 1 | tassel cottongrass |
| Isolepis cernua (Vahl) Roemer & Schultes [FNA23] | 3 | low clubrush, low lateral clubrush |
| Isolepis setacea (L.) R. Br. [FNA23] | 1 | bristle-leaf sedge, Eurasian bulrush |
| Lipocarpha aristulata (Coville) G. C. Tucker [FNA23] | 3 | halfchaff sedge |
| Lipocarpha micrantha (Vahl) G. C. Tucker [FNA23] | 8 | small-flowered halfchaff edge |
| Lipocarpha occidentalis (A. Gray) G. C. Tucker [FNA23] | 1 | western halfchaff sedge |
| Luzula subsessilis (S. Wats.) Buch. [IFBC] | 0 | short-stalked wood-rush |
| Rhynchospora alba (L.) Vahl [FNA23, H&C] | 5 | white beakrush |
| Schoenoplectus acutus (Muhl. ex J. M. Bigelow) A. Love & D. Love var. acutus [FNA23] | 1 | hardstem bulrush, viscous bulrush |
| Schoenoplectus acutus (Muhlenberg ex Bigelow) Á. Löve & D. Löve var. occidentalis (S. Watson) S. G. Smith [FNA23] | 3 | common tule |
| Schoenoplectus americanus (Pers.) Volk. ex Schinz & R. Keller [FNA23] | 2 | Olney’s three-square bulrush |
| Schoenoplectus heterochaetus (A. Chase) J. Sojak [FNA23] | 2 | slender bulrush |
| Schoenoplectus ×kuekenthalianus (Junge) D.H. Kent [FNA23] | 0 | |
| Schoenoplectus pungens (Vahl.) Palla [FNA23] | 3 | common three square, chairmaker's clubrush |
| Schoenoplectus saximontanus (Fern.) J. Raynal [FNA23] | 3 | Rocky Mountain bulrush |
| Schoenoplectus subterminalis (Torr.) Sojak [FNA23] | 1 | water clubrush, swaying clubrush |
| Schoenoplectus tabernaemontani (C. C. Gmel.) Palla [FNA23] | 7 | soft-stem bulrush, great bulrush |
| Schoenoplectus triqueter (L.) Palla [FNA23] | 1 | rounded three square |
| Scirpus atrocinctus Fernald [FNA23] | 1 | common woolly sedge |
| Scirpus cyperinus (L.) Kunth [FNA23] | 4 | cottongrass bulrush |
| Scirpus microcarpus J.& K. Presl [FNA23, H&C] | 4 | small fruited bulrush, panicled bulrush |
| Scirpus pallidus (Britton) Fernald [FNA23, H&C] | 1 | pale bulrush |
| Trichophorum cespitosum (L.) Schur [FNA23] | 5 | tufted clubrush |
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