Gen. Eleocharis (Cyperaceae) / Flora of USA and Canada

Scientific name	Google Search	*Distribution in USA and Canada ()**	Common names	Grown habit	Duration
Eleocharis acicularis (L.) Roem. & Schult.		USA (AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY), CAN (AB, BC, LB, MB, NB, NF, NS, NT, NU, ON, PE, QC, SK, YT), DEN (GL), FRA (SPM) Map for Eleocharis acicularis (L.) Roem. & Schult. (*)	needle spikerush	Graminoid	Annual, Perennial
Eleocharis acicularis (L.) Roem. & Schult. var. acicularis = Eleocharis acicularis (L.) Roem. & Schult. var. gracilescens Svens. = Eleocharis acicularis (L.) Roem. & Schult. var. occidentalis Svens. = Eleocharis acicularis (L.) Roem. & Schult. var. submersa (Hj. Nilss.) Svens. = Eleocharis acicularis (L.) Roem. & Schult. var. typica Svens.		USA (AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY), CAN (AB, BC, LB, MB, NB, NF, NS, NT, NU, ON, PE, QC, SK, YT), DEN (GL), FRA (SPM) Map for Eleocharis acicularis (L.) Roem. & Schult. var. acicularis (*)	needle spikerush	Graminoid	Annual, Perennial
Eleocharis acicularis (L.) Roem. & Schult. var. porcata S.G. Sm.		USA (AZ, CO, IL, KS, LA, ND, NE, NM, TX), CAN (AB) Map for Eleocharis acicularis (L.) Roem. & Schult. var. porcata S.G. Sm. (*)		Graminoid	Annual, Perennial
Eleocharis acutangula (Roxb.) Schult. = Eleocharis fistulosa Schult. = Scirpus fistulosus Poir., nom. illeg., non Scirpus fistulosus Forssk.		USA (TX) Map for Eleocharis acutangula (Roxb.) Schult. (*)	acute spikerush	Graminoid	Perennial
Eleocharis aestuum D.M. Hines ex A. Haines		USA (CT, DE, ME, NJ, NY, PA), CAN (QC) Map for Eleocharis aestuum D.M. Hines ex A. Haines (*)	tidal spikerush	Graminoid	Perennial
Eleocharis albida Torr.		USA (AL, DE, FL, GA, LA, MD, MS, NC, SC, TX, VA) Map for Eleocharis albida Torr. (*)	white spikerush	Graminoid	Perennial
Eleocharis atropurpurea (Retz.) J. Presl & C. Presl = Eleocharis multiflora Chapm. = Scirpus atropurpureus Retz.		USA (AL, CA, CO, FL, GA, IA, KS, LA, MI, MO, MT, NC, NE, NM, NV, SC, TX, VA, WA), CAN (BC) Map for Eleocharis atropurpurea (Retz.) J. Presl & C. Presl (*)	purple spikerush	Graminoid	Annual
Eleocharis austrotexana M.C. Johnst.		USA (TX) Map for Eleocharis austrotexana M.C. Johnst. (*)	Rio Grande spikerush	Graminoid	Perennial
Eleocharis baldwinii (Torr.) Chapm. = Eleocharis capillacea auct. non Kunth = Eleocharis prolifera Torr.		USA (AL, FL, GA, LA, MS, NC, SC, TX, VA) Map for Eleocharis baldwinii (Torr.) Chapm. (*)	Baldwin's spikerush	Graminoid	Perennial
Eleocharis bella (Piper) Svens. = Eleocharis acicularis (L.) Roem. & Schult. var. bella Piper = Eleocharis acicularis (L.) Roem. & Schult. var. minima Torr.		USA (AZ, CA, ID, MT, NM, NV, OR, UT, WA, WY) Map for Eleocharis bella (Piper) Svens. (*)	beautiful spikerush	Graminoid	Annual, Perennial
Eleocharis bicolor Chapm. = Eleocharis minima Kunth var. bicolor (Chapm.) Svens.		USA (FL, GA) Map for Eleocharis bicolor Chapm. (*)	two-tone spikerush	Graminoid	Annual
Eleocharis bifida S.G. Sm.		USA (AL, GA, KY, TN) Map for Eleocharis bifida S.G. Sm. (*)	Glades spikerush	Graminoid	Perennial
Eleocharis bolanderi A. Gray = Eleocharis montevidensis Kunth var. bolanderi (A. Gray) V.E. Grant		USA (AZ, CA, CO, ID, NV, OR, UT) Map for Eleocharis bolanderi A. Gray (*)	Bolander's spikerush	Graminoid	Perennial
Eleocharis brachycarpa Svens.		USA (TX) Map for Eleocharis brachycarpa Svens. (*)	shortfruit spikerush	Graminoid	Annual
Eleocharis brittonii Svens. ex Small = Eleocharis microcarpa Torr. var. brittonii (Svens. ex Small) Svens.		USA (AL, DE, FL, GA, LA, MS, NC, NJ, SC, TX) Map for Eleocharis brittonii Svens. ex Small (*)	Britton's spikerush	Graminoid	Annual
Eleocharis cancellata S. Watson		USA (AZ, TX) Map for Eleocharis cancellata S. Watson (*)	Arizona spikerush	Graminoid	Annual
Eleocharis cellulosa Torr.		USA (AL, AR, FL, GA, LA, MS, NC, SC, TX), USA+ (PR, VI) Map for Eleocharis cellulosa Torr. (*)	Gulf Coast spikerush	Graminoid	Perennial
Eleocharis compressa Sull.		USA (AL, AR, CO, DC, GA, IA, IL, IN, KS, KY, LA, MD, MI, MN, MO, ND, NE, NJ, NM, NY, OH, OK, PA, SD, TN, TX, VA, WI, WV), CAN (AB, BC, MB, NT, ON, QC, SK) Map for Eleocharis compressa Sull. (*)	flatstem spikerush	Graminoid	Perennial
Eleocharis compressa Sull. var. acutisquamata (Buckley) S.G. Sm. = Eleocharis acutisquamata Buckley		USA (KS, MN, OK, TX), CAN (AB, BC, MB, NT, SK) Map for Eleocharis compressa Sull. var. acutisquamata (Buckley) S.G. Sm. (*)	sharpscale spikerush	Graminoid	Perennial
Eleocharis compressa Sull. var. compressa = Eleocharis acuminata (Muhl.) Nees, nom. inq. = Eleocharis compressa Sull. var. atrata Svens. = Eleocharis elliptica Kunth var. atrata (Svens.) S.G. Sm. = Eleocharis elliptica Kunth var. compressa (Sull.) Drapalik & Mohlenbr. = Eleocharis tenuis (Willd.) Schult. var. atrata (Svens.) B. Boivin		USA (AL, AR, CO, DC, GA, IA, IL, IN, KS, KY, LA, MD, MI, MN, MO, ND, NE, NJ, NM, NY, OH, OK, PA, SD, TN, TX, VA, WI, WV), CAN (ON, QC) Map for Eleocharis compressa Sull. var. compressa (*)	flatstem spikerush	Graminoid	Perennial
Eleocharis congesta D. Don		- Map for Eleocharis congesta D. Don (*)	spikerush	Graminoid	-
Eleocharis cylindrica Buckley		USA (NM, TX) Map for Eleocharis cylindrica Buckley (*)	cylinder spikerush	Graminoid	Perennial
Eleocharis decumbens C.B. Clarke = Eleocharis montevidensis Kunth var. decumbens (C.B. Clarke) V.E. Grant		USA (CA) Map for Eleocharis decumbens C.B. Clarke (*)	decumbent spikerush	Graminoid	Perennial
Eleocharis diandra C. Wright = Eleocharis diandra C. Wright var. depressa Fernald = Eleocharis obtusa auct. non (Willd.) Schult. = Eleocharis ovata Britton, ined.? = Eleocharis ovata auct. non (Roth) Roem. & Schult.		USA (CT, MA, NH, NY, VT), CAN (ON, QC) Map for Eleocharis diandra C. Wright (*)	Wright's spikerush	Graminoid	Annual
Eleocharis dulcis (Burm. f.) Trin. ex Henschel = Eleocharis dulcus (Burm.) Trin. ex Hensch., orth. var. = Eleocharis tuberosa (Roxb.) Schult.		USA (GA) Map for Eleocharis dulcis (Burm. f.) Trin. ex Henschel (*)	Chinese water chestnut	Graminoid	Perennial
Eleocharis elegans (Kunth) Roem. & Schult.		USA+ (PR) Map for Eleocharis elegans (Kunth) Roem. & Schult. (*)	elegant spikerush	Graminoid	Perennial
Eleocharis elliptica Kunth = Eleocharis capitata (L.) R. Br. var. borealis Svens. = Eleocharis compressa Sull. var. borealis (Svens.) Drapalik & Mohlenbr. = Eleocharis tenuis (Willd.) Schult. var. borealis (Svens.) Gleason		USA (CT, IA, ID, IL, IN, MA, ME, MI, MN, MO, MT, NH, NJ, NY, OH, PA, RI, VT, WA, WI, WY), CAN (AB, BC, MB, NB, NF, NS, NT, ON, QC, SK, YT), FRA (SPM) Map for Eleocharis elliptica Kunth (*)	elliptic spikerush	Graminoid	Perennial
Eleocharis elongata Chapm.		USA (AL, FL, GA, LA, MS, NC, TX) Map for Eleocharis elongata Chapm. (*)	slim spikerush	Graminoid	Perennial
Eleocharis engelmannii Steud. = Eleocharis engelmannii Steud. var. monticola (Fernald) Svens. = Eleocharis engelmannii Steud. var. robusta Fernald = Eleocharis monticola Fernald = Eleocharis monticola Fernald var. pallida H. St. John = Eleocharis obtusa (Willd.) Schult. var. detonsa (A. Gray) Drapalik & Mohlenbr. = Eleocharis obtusa (Willd.) Schult. var. engelmannii (Steud.) Gilly = Eleocharis ovata (Roth) Roem. & Schult. var. detonsa (A. Gray) Mohlenbr. = Eleocharis ovata (Roth) Roem. & Schult. var. engelmannii (Steud.) Britton		USA (AL, AR, AZ, CA, CO, CT, DC, DE, GA, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, ND, NE, NJ, NM, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, WA, WI, WV, WY), CAN (AB, BC, MB, ON, SK) Map for Eleocharis engelmannii Steud. (*)	Engelmann's spikerush	Graminoid	Annual
Eleocharis equisetoides (Elliot) Torr. = Eleocharis elliottii A. Dietr. = Scirpus equisetoides Elliot		USA (AL, AR, CT, DE, FL, GA, IL, IN, LA, MA, MD, MI, MO, MS, NC, NJ, NY, RI, SC, TN, TX, VA, WI), CAN (ON) Map for Eleocharis equisetoides (Elliot) Torr. (*)	jointed spikesedge	Graminoid	Perennial
Eleocharis erythropoda Steud. = Eleocharis calva Torr. = Scirpus glaucus Torr., nom. inq. = Trichophorum palustre (L.) Farw. var. calvum (Torr.) House		USA (AK, AR, CT, DC, DE, GA, HI, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, ND, NE, NH, NJ, NY, OH, OK, PA, SD, TN, VA, VT, WI, WV), CAN (AB, BC, MB, NB, NT, ON, QC, SK) Map for Eleocharis erythropoda Steud. (*)	bald spikerush	Graminoid	Perennial
Eleocharis fallax Weath. = Eleocharis ambigens Fernald		USA (AL, DE, FL, GA, LA, MA, MD, NC, NJ, NY, RI, SC, TX, VA, WV), USA+ (PR), CAN (NS, QC) Map for Eleocharis fallax Weath. (*)	creeping spikerush	Graminoid	Perennial
Eleocharis flavescens (Poir.) Urb.		USA (AL, AR, AZ, CA, DE, FL, GA, LA, MD, MS, MT, NC, NJ, SC, TX, UT, VA, WY), USA+ (PR) Map for Eleocharis flavescens (Poir.) Urb. (*)	yellow spikerush	Graminoid	Perennial
Eleocharis flavescens (Poir.) Urb. var. flavescens = Eleocharis flavescens (Poir.) Urb. var. fuscescens (Kük.) Svens. = Eleocharis praticola Britton = Heleocharis flaccida (Rchb.) Urb. = Heleocharis flaccida (Rchb.) Urb. var. fuscescens Kük. = Scirpus flavescens Poir.		USA (AL, AR, DE, FL, GA, LA, MD, MS, NC, NJ, SC, TX, VA), USA+ (PR) Map for Eleocharis flavescens (Poir.) Urb. var. flavescens (*)	yellow spikerush	Graminoid	Perennial
Eleocharis flavescens (Poir.) Urb. var. thermalis (Rydb.) Cronquist = Eleocharis thermalis Rydb.		USA (AZ, CA, MT, UT, WY) Map for Eleocharis flavescens (Poir.) Urb. var. thermalis (Rydb.) Cronquist (*)	yellow spikerush	Graminoid	Perennial
Eleocharis geniculata (L.) Roem. & Schult. = Eleocharis capitata (L.) R. Br. var. dispar (E.J. Hill) Fernald = Eleocharis caribaea (Rottb.) S.F. Blake = Eleocharis caribaea (Rottb.) S.F. Blake var. dispar (E.J. Hill) S.F. Blake = Scirpus caribaea Rottb. = Scirpus geniculata L.		USA (AL, AZ, CA, FL, GA, HI, IL, IN, KS, LA, MD, MI, MS, NC, OH, OK, PA, SC, TX), USA+ (PR, VI), CAN (ON) Map for Eleocharis geniculata (L.) Roem. & Schult. (*)	Canada spikesedge	Graminoid	Annual
Eleocharis halophila (Fernald & Brack.) Fernald & Brack. = Eleocharis uniglumis (Link) Schult. var. halophila Fernald & Brack.		USA (CT, DE, MA, MD, ME, NC, NH, NJ, NY, RI, VA) Map for Eleocharis halophila (Fernald & Brack.) Fernald & Brack. (*)	saltmarsh spikerush	Graminoid	Perennial
Eleocharis intermedia Schult.		USA (CT, IA, IL, IN, KY, MA, MD, ME, MI, MN, MS, NH, NJ, NY, OH, PA, TN, VA, VT, WI, WV), CAN (NB, ON, QC) Map for Eleocharis intermedia Schult. (*)	matted spikerush	Graminoid	Perennial
Eleocharis interstincta (Vahl) Roem. & Schult. = Scirpus interstinctus Vahl		USA (AL, FL, TX), USA+ (PR, VI) Map for Eleocharis interstincta (Vahl) Roem. & Schult. (*)	knotted spikerush	Graminoid	Perennial
Eleocharis kamtschatica (C.A. Mey.) Kom. = Scirpus kamtschaticus C.A. Mey.		USA (AK), CAN (BC, LB, MB, NF, ON, QC) Map for Eleocharis kamtschatica (C.A. Mey.) Kom. (*)	Kamchatka spikerush	Graminoid	Perennial
Eleocharis lanceolata Fernald = Eleocharis obtusa (Willd.) Schult. var. lanceolata (Fernald) Gilly		USA (AR, KS, MO, OK, TN, TX) Map for Eleocharis lanceolata Fernald (*)	daggerleaf spikerush	Graminoid	Annual
Eleocharis macounii Fernald		CAN (QC) Map for Eleocharis macounii Fernald (*)	Macoun's spikerush	Graminoid	Perennial
Eleocharis macrostachya Britton = Eleocharis perlonga Fernald & Brack. = Eleocharis xyridiformis Fernald & Brack.		USA (AK, AR, AZ, CA, CO, IA, ID, IL, KS, LA, MN, MO, MT, ND, NE, NM, NV, OK, OR, SD, TX, UT, WA, WY), CAN (AB, BC, MB, ON, QC, SK, YT) Map for Eleocharis macrostachya Britton (*)	pale spikerush	Graminoid	Perennial
Eleocharis mamillata (Lindb. f.) Lindb. f. = Scirpus mamillata Lindb. f.		USA (AK, MN, WA), CAN (AB, BC, NT, ON, QC, SK, YT) Map for Eleocharis mamillata (Lindb. f.) Lindb. f. (*)	soft-stem spikerush	Graminoid	Perennial
Eleocharis melanocarpa Torr.		USA (AL, DE, FL, GA, IN, MA, MD, MI, MS, NC, NJ, NY, RI, SC, TX, VA) Map for Eleocharis melanocarpa Torr. (*)	blackfruit spikerush	Graminoid	Perennial
Eleocharis microcarpa Torr. = Eleocharis microcarpa Torr. var. filiculmis Torr. = Eleocharis torreyana Boeckeler		USA (AL, AR, CT, DE, FL, GA, IN, LA, MA, MD, MI, MS, NC, NJ, NY, PA, SC, TN, TX, VA), USA+ (PR, VI) Map for Eleocharis microcarpa Torr. (*)	smallfruit spikerush	Graminoid	Annual
Eleocharis minima Kunth = Eleocharis minima Kunth var. ambigua (Steud.) Kük. = Eleocharis uncialis Chapm. ex Small		USA (CA, FL, GA, LA, NJ, TX) Map for Eleocharis minima Kunth (*)	small spikerush	Graminoid	Annual
Eleocharis montana (Kunth) Roem. & Schult. = Eleocharis montana (Kunth) Roem. & Schult. var. nodulosa (Roth) Svens. = Eleocharis nodulosa (Roth) Schult. = Scirpus montana Kunth		USA (AL, AZ, FL, GA, LA, NM, TX), USA+ (PR, VI) Map for Eleocharis montana (Kunth) Roem. & Schult. (*)	mountain spikerush	Graminoid	Perennial
Eleocharis montevidensis Kunth = Eleocharis arenicola Torr. = Eleocharis palmeri Svens.		USA (AL, AZ, CA, CO, FL, GA, KS, LA, MS, NC, NM, OK, SC, TX) Map for Eleocharis montevidensis Kunth (*)	sand spikerush	Graminoid	Perennial
Eleocharis mutata (L.) Roem. & Schult. = Scirpus mutatus L.		USA (AL), USA+ (PR, VI) Map for Eleocharis mutata (L.) Roem. & Schult. (*)	scallion grass	Graminoid	Perennial
Eleocharis nana Kunth		USA (FL) Map for Eleocharis nana Kunth (*)	hair-like spikerush	Graminoid	Annual
Eleocharis nigrescens (Nees) Steud. = Eleocharis carolina Small = Eleocharis minutiflora Boeckeler = Eleocharis nigrescens (Nees) Steud. var. minutiflora (Boeckeler) Svens. = Eleocharis setifolia auct. non (A. Rich.) Raynal		USA (FL, SC) Map for Eleocharis nigrescens (Nees) Steud. (*)	black spikerush	Graminoid	Annual
Eleocharis nitida Fernald		USA (AK, MI, MN, NH, VT, WI), CAN (AB, BC, NF, NS, ON, PE, QC, SK) Map for Eleocharis nitida Fernald (*)	quill spikerush	Graminoid	Perennial
Eleocharis obtusa (Willd.) Schult. = Eleocharis obtusa (Willd.) Schult. var. ellipsoidalis Fernald ex Svens. = Eleocharis obtusa (Willd.) Schult. var. gigantea (C.B. Clarke) Fernald = Eleocharis obtusa (Willd.) Schult. var. jejuna Fernald = Eleocharis obtusa (Willd.) Schult. var. obtusa = Eleocharis obtusa (Willd.) Schult. var. peasei Svens. = Eleocharis ovata (Roth) Roem. & Schult. var. obtusa (Willd.) Kük. = Scirpus obtusus Willd.		USA (AL, AR, CA, CO, CT, DC, DE, FL, GA, HI, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, VA, VT, WA, WI, WV), CAN (BC, MB, NB, NS, ON, PE, QC) Map for Eleocharis obtusa (Willd.) Schult. (*)	blunt spikerush	Graminoid	Annual, Perennial
Eleocharis occulata S.G. Sm.		USA (OK, TX) Map for Eleocharis occulata S.G. Sm. (*)	limestone spikerush	Graminoid	Perennial
Eleocharis ochrostachys Steud.		- Map for Eleocharis ochrostachys Steud. (*)	spikerush	Graminoid	-
Eleocharis oligantha Clarke		USA+ (PR) Map for Eleocharis oligantha Clarke (*)	fewflowered spikerush	Graminoid	Annual
Eleocharis olivacea Torr.		USA (AL, CT, DC, DE, FL, GA, HI, IA, IL, IN, KY, LA, MA, MD, ME, MI, MN, MS, NH, NJ, NY, OH, PA, RI, SC, TX, VA, VT, WI, WY), USA+ (PR), CAN (NB, NS, ON, QC) Map for Eleocharis olivacea Torr. (*)	bright green spikerush	Graminoid	Perennial
Eleocharis olivacea Torr. var. olivacea = Eleocharis flaccida (Rchb.) Urb. var. olivacea (Torr.) Fernald & Grisc. = Eleocharis flavescens (Poir.) Urb. var. olivacea (Torr.) Gleason		USA (AL, CT, DC, DE, FL, GA, HI, IA, IL, IN, KY, LA, MA, MD, ME, MI, MN, MS, NH, NJ, NY, OH, PA, RI, SC, TX, VA, VT, WI, WY), USA+ (PR), CAN (NB, NS, ON, QC) Map for Eleocharis olivacea Torr. var. olivacea (*)	bright green spikerush	Graminoid	Perennial
Eleocharis olivacea Torr. var. reductiseta (Schuyler & Ferren) Schuyler & Ferren		USA (NJ) Map for Eleocharis olivacea Torr. var. reductiseta (Schuyler & Ferren) Schuyler & Ferren (*)	bright green spikerush	Graminoid	Perennial
Eleocharis ovata (Roth) Roem. & Schult. = Eleocharis annua House = Eleocharis obtusa (Willd.) Schult. var. heuseri Uechtr. = Eleocharis obtusa (Willd.) Schult. var. ovata (Roth) Drapalik & Mohlenbr. = Scirpus ovatus Roth		USA (CT, HI, IA, IL, IN, KY, MA, MD, ME, MI, MN, MO, NH, NJ, NY, OH, OR, PA, RI, VT, WA, WI), CAN (AB, BC, NB, NF, NS, ON, PE, QC) Map for Eleocharis ovata (Roth) Roem. & Schult. (*)	ovate spikerush	Graminoid	Annual
Eleocharis pachycarpa Desv.		USA (CA, NV), USA+ (PR) Map for Eleocharis pachycarpa Desv. (*)	black sand spikerush	Graminoid	Perennial
Eleocharis pachystyla (C. Wright) C.B. Clarke = Scirpus pachystylus C. Wright		USA+ (PR) Map for Eleocharis pachystyla (C. Wright) C.B. Clarke (*)	false junco	Graminoid	Perennial
Eleocharis palustris (L.) Roem. & Schult.		USA (AK, AL, AR, AZ, CA, CO, CT, DC, DE, HI, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY), CAN (AB, BC, LB, MB, NB, NF, NS, NT, NU, ON, PE, QC, SK, YT), DEN (GL), FRA (SPM) Map for Eleocharis palustris (L.) Roem. & Schult. (*)	common spikerush	Graminoid	Perennial
Eleocharis palustris (L.) Roem. & Schult. var. palustris = Eleocharis calva Torr. var. australis (Nees) H. St. John = Eleocharis mamillata auct. non (Lindb. f.) Lindb. f. = Eleocharis palustris (L.) Roem. & Schult. var. australis Nees = Eleocharis palustris (L.) Roem. & Schult. var. major Sonder = Eleocharis smallii Britton = Eleocharis smallii Britton var. major (Sonder) Seymour = Scirpus palustris L.		USA (AK, AL, AR, AZ, CA, CO, CT, DC, DE, HI, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY), CAN (AB, BC, LB, MB, NB, NF, NS, NT, NU, ON, PE, QC, SK, YT), DEN (GL), FRA (SPM) Map for Eleocharis palustris (L.) Roem. & Schult. var. palustris (*)	common spikerush	Graminoid	Perennial
Eleocharis palustris (L.) Roem. & Schult. var. vigens L.H. Bailey		USA (ME, MI, NE, NY, VT, WI) Map for Eleocharis palustris (L.) Roem. & Schult. var. vigens L.H. Bailey (*)		Graminoid	Perennial
Eleocharis parishii Britton = Eleocharis disciformis Parish = Eleocharis montevidensis Kunth var. disciformis (Parish) V.E. Grant = Eleocharis montevidensis Kunth var. parishii (Britton) V.E. Grant		USA (AZ, CA, NM, NV, OR, UT) Map for Eleocharis parishii Britton (*)	Parish's spikerush	Graminoid	Perennial
Eleocharis parvula (Roem. & Schult.) Link ex Bluff, Nees & Schauer = Chaetocyperus membranacea Buckley = Eleocharis coloradoensis (Britton) Gilly = Eleocharis leptos (Steud.) Svens. = Eleocharis leptos (Steud.) Svens. var. coloradoensis (Britton) Svens. = Eleocharis leptos (Steud.) Svens. var. johnstonii Svens. = Eleocharis membranacea (Buckley) Gilly = Eleocharis parvula (Roem. & Schult.) Link ex Bluff, Nees & Schauer var. anachaeta (Britton) Svens. = Eleocharis parvula (Roem. & Schult.) Link ex Bluff, Nees & Schauer var. coloradoensis (Britton) Beetle = Scirpus nanus Spreng. = Scirpus nanus Spreng. var. anachaetus (Torr.) Britton		USA (AL, AR, AZ, CA, CO, CT, DE, FL, GA, IA, ID, IL, KS, LA, MA, MD, ME, MI, MN, MO, MS, NC, ND, NH, NJ, NM, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, WA, WI, WY), CAN (BC, LB, MB, NB, NF, NS, ON, PE, QC, SK), FRA (SPM) Map for Eleocharis parvula (Roem. & Schult.) Link ex Bluff, Nees & Schauer (*)	dwarf spikerush	Graminoid	Annual, Perennial
Eleocharis quadrangulata (Michx.) Roem. & Schult. = Eleocharis quadrangulata (Michx.) Roem. & Schult. var. crassior Fernald = Scirpus quadrangulatus Michx.		USA (AL, AR, CA, CT, DC, DE, FL, GA, IL, IN, KS, KY, LA, MA, MD, MI, MO, MS, NC, NH, NJ, NY, OH, OK, OR, PA, SC, TN, TX, VA, WI, WV), CAN (ON) Map for Eleocharis quadrangulata (Michx.) Roem. & Schult. (*)	squarestem spikerush	Graminoid	Perennial
Eleocharis quinqueflora (Hartmann) O. Schwarz = Eleocharis bernardina Munz & I.M. Johnst. = Eleocharis pauciflora (Lightf.) Link = Eleocharis pauciflora (Lightf.) Link var. bernardina (Munz & I.M. Johnst.) Svens. = Eleocharis pauciflora (Lightf.) Link var. fernaldii Svens. = Eleocharis quinqueflora (Hartmann) O. Schwarz ssp. fernaldii (Svens.) Hultén = Eleocharis quinqueflora (Hartmann) O. Schwarz var. bernardina (Munz & I.M. Johnst.) S. González & P.M. Peterson = Scirpus pauciflorus Lightf. = Scirpus quinqueflorus Hartmann		USA (AK, AZ, CA, CO, IA, ID, IL, IN, MA, ME, MI, MN, MT, ND, NE, NH, NJ, NM, NV, NY, OH, OR, PA, SD, UT, VT, WA, WI, WY), CAN (AB, BC, LB, MB, NB, NF, NS, NT, ON, PE, QC, SK, YT), DEN (GL), FRA (SPM) Map for Eleocharis quinqueflora (Hartmann) O. Schwarz (*)	fewflower spikerush	Graminoid	Perennial
Eleocharis radicans (A. Dietr.) Kunth = Eleocharis acicularis (L.) Roem. & Schult. var. radicans (A. Dietr.) Britton = Eleocharis lindheimeri Svens.		USA (AZ, CA, FL, HI, LA, MI, OK, TX, VA), USA+ (PR) Map for Eleocharis radicans (A. Dietr.) Kunth (*)	rooted spikerush	Graminoid	Perennial
Eleocharis retroflexa (Poir.) Urb. = Scirpus retroflexus Poir.		USA (AL), USA+ (PR, VI) Map for Eleocharis retroflexa (Poir.) Urb. (*)	coastal plain spikerush	Graminoid	Annual
Eleocharis reverchonii Svens.		USA (TX) Map for Eleocharis reverchonii Svens. (*)	Reverchon's spikerush	Graminoid	Annual, Perennial
Eleocharis robbinsii Oakes		USA (AL, CT, DE, FL, GA, IN, MA, MD, ME, MI, MS, NC, NH, NJ, NY, PA, RI, SC, VA, VT, WI), CAN (NB, NS, ON, QC) Map for Eleocharis robbinsii Oakes (*)	Robbins' spikerush	Graminoid	Perennial
Eleocharis rostellata (Torr.) Torr. = Eleocharis rostellata (Torr.) Torr. var. congdonii Jeps. = Eleocharis rostellata (Torr.) Torr. var. occidentalis S. Watson = Scirpus rostellatus Torr.		USA (AL, AZ, CA, CO, CT, DE, FL, GA, ID, IL, IN, KS, LA, MA, MD, ME, MI, MN, MT, NC, ND, NE, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TX, UT, VA, WA, WI, WV, WY), USA+ (PR), CAN (BC, NS, ON) Map for Eleocharis rostellata (Torr.) Torr. (*)	beaked spikerush	Graminoid	Perennial
Eleocharis schaffneri Boeckeler		USA (HI) Map for Eleocharis schaffneri Boeckeler (*)	Schaffner's spikerush	Graminoid	Annual
Eleocharis sintenisii Boeckeler = Eleocharis ekmanii Kük. = Eleocharis shaferi Britton = Eleocharis yunquensis Britton		USA+ (PR) Map for Eleocharis sintenisii Boeckeler (*)	Sintenis' spikerush	Graminoid	Annual, Perennial
Eleocharis suksdorfiana P. Beauv. = Eleocharis pauciflora (Lightf.) Link var. suksdorfiana (P. Beauv.) Svens. = Eleocharis quinqueflora (Hartmann) O. Schwarz ssp. suksdorfiana (P. Beauv.) Hultén = Eleocharis quinqueflora (Hartmann) O. Schwarz var. suksdorfiana (P. Beauv.) J.T. Howell		USA (CA, OR, WA), CAN (AB, BC) Map for Eleocharis suksdorfiana P. Beauv. (*)	Suksdorf's spikerush	Graminoid	Perennial
Eleocharis tenuis (Willd.) Schult.		USA (AL, AR, CT, DC, DE, GA, IA, IL, IN, KS, KY, LA, MA, MD, ME, MN, MO, MS, NC, NE, NH, NJ, NY, OH, OK, PA, RI, SC, SD, TN, TX, VA, VT, WI, WV), CAN (NB, NS, PE, QC) Map for Eleocharis tenuis (Willd.) Schult. (*)	slender spikerush	Graminoid	Perennial
Eleocharis tenuis (Willd.) Schult. var. pseudoptera (Weath. ex Svens.) Svens. = Eleocharis capitata (L.) R. Br. var. pseudoptera Weath. ex Svens. = Eleocharis elliptica Kunth var. pseudoptera (Weath. ex Svens.) L.J. Harms		USA (DE, MD, NC, NJ, NY, PA, TN, VA), CAN (NS, QC) Map for Eleocharis tenuis (Willd.) Schult. var. pseudoptera (Weath. ex Svens.) Svens. (*)	slender spikerush	Graminoid	Perennial
Eleocharis tenuis (Willd.) Schult. var. tenuis = Eleocharis capitata sensu S.F. Blake, non (L.) R. Br. = Scirpus quadrangulatus Muhl., non Michx. = Trichophyllum tenue (Willd.) Farw.		USA (AL, CT, DC, DE, GA, KY, LA, MA, MD, ME, NC, NH, NJ, NY, OH, PA, RI, SC, TN, VA, VT, WV), CAN (NB, NS, PE, QC) Map for Eleocharis tenuis (Willd.) Schult. var. tenuis (*)	slender spikerush	Graminoid	Perennial
Eleocharis tenuis (Willd.) Schult. var. verrucosa (Svens.) Svens. = Eleocharis capitata (L.) R. Br. var. verrucosa Svens. = Eleocharis verrucosa (Svens.) L.J. Harms		USA (AL, AR, GA, IA, IL, IN, KS, KY, LA, MD, MN, MO, MS, NE, NJ, OH, OK, PA, SC, SD, TN, TX, VA, WI) Map for Eleocharis tenuis (Willd.) Schult. var. verrucosa (Svens.) Svens. (*)	slender spikerush	Graminoid	Perennial
Eleocharis torticulmis S.G. Sm.		USA (CA) Map for Eleocharis torticulmis S.G. Sm. (*)	twist-stem spikerush	Graminoid	Perennial
Eleocharis tortilis (Link) Schult. = Eleocharis simplex auct. non (Elliot) A. Dietr. = Scirpus tortilis Link		USA (AL, AR, DE, FL, GA, LA, MD, MS, NC, NJ, NY, OK, SC, TN, TX, VA) Map for Eleocharis tortilis (Link) Schult. (*)	twisted spikerush	Graminoid	Perennial
Eleocharis tricostata Torr.		USA (AL, DE, FL, GA, LA, MA, MD, MI, NC, NJ, NY, PA, RI, SC, VA) Map for Eleocharis tricostata Torr. (*)	three-angle spikerush	Graminoid	Perennial
Eleocharis tuberculosa (Michx.) Roem. & Schult. = Eleocharis simplex (Elliot) A. Dietr. = Eleocharis tuberculosa (Michx.) Roem. & Schult. var. pubnicoensis Fernald = Scirpus tuberculosa Michx.		USA (AL, AR, CT, DC, DE, FL, GA, LA, MA, MD, ME, MS, NC, NH, NJ, NY, PA, RI, SC, TN, TX, VA), CAN (NS) Map for Eleocharis tuberculosa (Michx.) Roem. & Schult. (*)	cone-cup spikerush	Graminoid	Perennial
Eleocharis uniglumis (Link) Schult. = Scirpus uniglumis Link		USA (AK, ID, ME, ND, OR, RI, WA, WY), CAN (AB, BC, LB, MB, NB, NF, NS, NT, ON, PE, QC, SK, YT), DEN (GL), FRA (SPM) Map for Eleocharis uniglumis (Link) Schult. (*)	onescale spikerush	Graminoid	Perennial
Eleocharis vivipara Link = Eleocharis curtisii Small		USA (AL, FL, GA, LA, NC, SC, TX, VA) Map for Eleocharis vivipara Link (*)	viviparous spikerush	Graminoid	Annual
Eleocharis wolfii (A. Gray) A. Gray ex Britton = Scirpus wolfii A. Gray		USA (AL, AR, CO, GA, IA, IL, IN, KS, LA, MN, MO, MS, ND, NE, NY, OH, OK, SD, TN, TX, WI) Map for Eleocharis wolfii (A. Gray) A. Gray ex Britton (*)	Wolf's spikerush	Graminoid	Perennial

(*) USDA, NRCS. 2009. The PLANTS Database (http://plants.usda.gov, 28 August 2009). National Plant Data Center, Baton Rouge, LA 70874-4490 USA.

PICTURES

Eleocharis acicularis
Robert H. Mohlenbrock USDA-NRCS PLANTS Database / USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln. - Not copyrighted image
Eleocharis acicularis
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 315.
Eleocharis acicularis
Hippolyte Coste - Flore descriptive et illustrée de la France, de la Corse et des contrées limitrophes, 1901-1906 - This image is in public domain because its copyright has expired.

Eleocharis albida
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 317.
Eleocharis atropurpurea
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 312.
Eleocharis bonariensis
Hippolyte Coste - Flore descriptive et illustrée de la France, de la Corse et des contrées limitrophes, 1901-1906 - This image is in public domain because its copyright has expired.

Eleocharis cellulosa
Robert H. Mohlenbrock USDA-NRCS PLANTS Database / USDA SCS. 1991. Southern wetland flora: Field office guide to plant species. South National Technical Center, Fort Worth. - Not copyrighted image
Eleocharis cellulosa
Robert H. Mohlenbrock USDA-NRCS PLANTS Database / USDA SCS. 1991. Southern wetland flora: Field office guide to plant species. South National Technical Center, Fort Worth. - Not copyrighted image
Eleocharis compressa var. compressa
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 318.

Eleocharis engelmannii
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 314.
Eleocharis equisetoides
Robert H. Mohlenbrock USDA-NRCS PLANTS Database / USDA SCS. 1991. Southern wetland flora: Field office guide to plant species. South National Technical Center, Fort Worth. - Not copyrighted image
Eleocharis flavescens var. flavescens
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 312.

Eleocharis intermedia
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 318.
Eleocharis interstincta
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 311.
Eleocharis macrostachya
Robert H. Mohlenbrock USDA-NRCS PLANTS Database / USDA NRCS. 1992. Western wetland flora: Field office guide to plant species. West Region, Sacramento. - Not copyrighted image

Eleocharis macrostachya
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 314.
Eleocharis melanocarpa
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 317.
Eleocharis microcarpa
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 316.

Eleocharis mutata
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 311.
Eleocharis obtusa
Robert H. Mohlenbrock USDA-NRCS PLANTS Database / USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln. - Not copyrighted image
Eleocharis obtusa
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 313.

Eleocharis olivacea
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 312.
Eleocharis olivacea var. olivacea
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 312.
Eleocharis ovata
Robert H. Mohlenbrock USDA-NRCS PLANTS Database / USDA NRCS. 1995. Northeast wetland flora: Field office guide to plant species. Northeast National Technical Center, Chester. - Not copyrighted image

Eleocharis ovata
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 313.
Eleocharis palustris
Robert H. Mohlenbrock USDA-NRCS PLANTS Database / USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln. - Not copyrighted image
Eleocharis palustris
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 314.

Eleocharis palustris
Credit: Photo by Franco Giordana
Eleocharis palustris
Credit: Photo by Franco Giordana
Eleocharis palustris
Credit: Photo by Franco Giordana

Eleocharis palustris
Credit: Photo by Gianluca Nicolella
Eleocharis palustris
Credit: Photo by Gianluca Nicolella
Eleocharis palustris
Otto Wilhelm Thomé: Flora von Deutschland, Österreich und der Schweiz (1885) - Permission granted to use under GFDL by Kurt Stueber. Source: www.biolib.de Permission is granted to copy, distribute and/or modify this image under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".

Eleocharis palustris subsp. palustris
Hippolyte Coste - Flore descriptive et illustrée de la France, de la Corse et des contrées limitrophes, 1901-1906 - This image is in public domain because its copyright has expired.
Eleocharis palustris var. palustris
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 315.
Eleocharis parvula
Robert H. Mohlenbrock USDA-NRCS PLANTS Database / USDA NRCS. 1995. Northeast wetland flora: Field office guide to plant species. Northeast National Technical Center, Chester. - Not copyrighted image

Eleocharis parvula
Robert H. Mohlenbrock USDA-NRCS PLANTS Database / USDA SCS. 1991. Southern wetland flora: Field office guide to plant species. South National Technical Center, Fort Worth. - Not copyrighted image
Eleocharis parvula
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 327.
Eleocharis parvula
Hippolyte Coste - Flore descriptive et illustrée de la France, de la Corse et des contrées limitrophes, 1901-1906 - This image is in public domain because its copyright has expired.

Eleocharis pauciflora
Robert H. Mohlenbrock USDA-NRCS PLANTS Database / USDA NRCS. 1992. Western wetland flora: Field office guide to plant species. West Region, Sacramento. - Not copyrighted image
Eleocharis quadrangulata
Robert H. Mohlenbrock USDA-NRCS PLANTS Database / USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln. - Not copyrighted image
Eleocharis quinqueflora
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 327.

Eleocharis quinqueflora
Hippolyte Coste - Flore descriptive et illustrée de la France, de la Corse et des contrées limitrophes, 1901-1906 - This image is in public domain because its copyright has expired.
Eleocharis robbinsii
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 311.
Eleocharis rostellata
Robert H. Mohlenbrock USDA-NRCS PLANTS Database / USDA NRCS. 1992. Western wetland flora: Field office guide to plant species. West Region, Sacramento. - Not copyrighted image

Eleocharis rostellata
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 319.
Eleocharis smallii
Robert H. Mohlenbrock USDA-NRCS PLANTS Database / USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln. - Not copyrighted image
Eleocharis tenuis
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 318.

Eleocharis tenuis var. tenuis
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 313.
Eleocharis tricostata
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 317.
Eleocharis tuberculosa
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 316.

Eleocharis tuberculosa
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 316.
Eleocharis uniglumis
Hippolyte Coste - Flore descriptive et illustrée de la France, de la Corse et des contrées limitrophes, 1901-1906 - This image is in public domain because its copyright has expired.
Eleocharis wolfii
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 315.

L.R. 2009