• Eleocharis R. Brown, 1810
• Eleocharis acicularis (L.) Roemer & J.A. Schultes
• Eleocharis acuminata (Muhl.) Nees accepted as Eleocharis compressa Sullivant
• Eleocharis acutangula (Roxb.) J.A. Schultes
• Eleocharis acutisquamata Buckl.
• Eleocharis albida Torr.
• Eleocharis ambigens Fern. accepted as Eleocharis fallax Weatherby
• Eleocharis annua House accepted as Eleocharis ovata (Roth) Roemer & J.A. Schultes
• Eleocharis arenicola Torr. accepted as Eleocharis montevidensis Kunth
• Eleocharis atropurpurea (Retz.) J. & K. Presl
• Eleocharis austrotexana M.C. Johnston
• Eleocharis baldwinii (Torr.) Chapman
• Eleocharis bella (Piper) Svens.
• Eleocharis bernardina Munz & Johnston accepted as Eleocharis quinqueflora (F.X. Hartmann) Schwarz
• Eleocharis bicolor Chapman accepted as Eleocharis minima Kunth
• Eleocharis bolanderi Gray
• Eleocharis brachycarpa Svens.
• Eleocharis brittonii Svens. ex Small
• Eleocharis calva Torr. accepted as Eleocharis erythropoda Steud.
• Eleocharis cancellata S. Wats.
• Eleocharis capillacea auct. non Kunth accepted as Eleocharis baldwinii (Torr.) Chapman
• Eleocharis capitata sensu Blake, non (L.) R. Br. accepted as Eleocharis tenuis (Willd.) J.A. Schultes
• Eleocharis caribaea (Rottb.) Blake accepted as Eleocharis geniculata (L.) Roemer & J.A. Schultes
• Eleocharis carolina Small accepted as Eleocharis nigrescens (Nees) Steud.
• Eleocharis cellulosa Torr.
• Eleocharis coloradoensis (Britt.) Gilly accepted as Eleocharis parvula (Roemer & J.A. Schultes) Link ex Bluff, Nees & Schauer
• Eleocharis compressa Sullivant
• Eleocharis confervoides (Poir.) G. Tucker accepted as Websteria confervoides (Poir.) S. Hooper
• Eleocharis congesta D. Don
• Eleocharis curtisii Small accepted as Eleocharis vivipara Link
• Eleocharis cylindrica Buckl.
• Eleocharis decumbens C.B. Clarke
• Eleocharis diandra C. Wright accepted as Eleocharis obtusa (Willd.) J.A. Schultes
• Eleocharis disciformis Parish accepted as Eleocharis parishii Britt.
• Eleocharis dulcis (Burman f.) Trin. ex Henschel
• Eleocharis ekmanii Kükenth. accepted as Eleocharis sintenisii Boeckl.
• Eleocharis elegans (Kunth) Roemer & J.A. Schultes
• Eleocharis elliottii A. Dietr. accepted as Eleocharis equisetoides (Ell.) Torr.
• Eleocharis elliptica Kunth
• Eleocharis elongata Chapman
• Eleocharis engelmanni
• Eleocharis engelmannii Steud.
• Eleocharis equisetoides (Ell.) Torr.
• Eleocharis erythropoda Steud.
• Eleocharis fallax Weatherby
• Eleocharis fistulosa J.A. Schultes accepted as Eleocharis acutangula (Roxb.) J.A. Schultes
• Eleocharis flavescens (Poir.) Urban
• Eleocharis geniculata (L.) Roemer & J.A. Schultes
• Eleocharis halophila (Fernald & Brackett) Fernald & Brackett
• Eleocharis intermedia J.A. Schultes
• Eleocharis interstincta (Vahl) Roemer & J.A. Schultes
• Eleocharis kamtschatica (C.A. Mey.) Komarov
• Eleocharis lanceolata Fern.
• Eleocharis leptos (Steud.) Svens. accepted as Eleocharis parvula (Roemer & J.A. Schultes) Link ex Bluff, Nees & Schauer
• Eleocharis lindheimeri Svens. accepted as Eleocharis radicans (A. Dietr.) Kunth
• Eleocharis macounii Fern.
• Eleocharis macrostachya Britt. accepted as Eleocharis palustris (L.) Roemer & J.A. Schultes
• Eleocharis mamillata (H. Lindb) H. Lindb.
• Eleocharis mamillata auct. non Lindb. f. accepted as Eleocharis palustris (L.) Roemer & J.A. Schultes
• Eleocharis melanocarpa Torr.
• Eleocharis membranacea Gilly accepted as Eleocharis parvula (Roemer & J.A. Schultes) Link ex Bluff, Nees & Schauer
• Eleocharis microcarpa Torr.
• Eleocharis minima Kunth
• Eleocharis minutiflora Boeckl. accepted as Eleocharis nigrescens (Nees) Steud.
• Eleocharis montana (Kunth) Roemer & J.A. Schultes
• Eleocharis montevidensis Kunth
• Eleocharis monticola Fern. accepted as Eleocharis engelmannii Steud.
• Eleocharis multiflora Chapman accepted as Eleocharis atropurpurea (Retz.) J. & K. Presl
• Eleocharis mutata (L.) Roemer & J.A. Schultes
• Eleocharis nana Kunth
• Eleocharis nigrescens (Nees) Steud.
• Eleocharis nitida Fern.
• Eleocharis nodulosa (Roth) J.A. Schultes accepted as Eleocharis montana (Kunth) Roemer & J.A. Schultes
• Eleocharis obtusa (Willd.) J.A. Schultes
• Eleocharis ochrostachys Steud.
• Eleocharis oligantha Clarke
• Eleocharis olivacea Torr.
• Eleocharis ovata (Roth) Roemer & J.A. Schultes
• Eleocharis pachycarpa Desv.
• Eleocharis pachystyla (C. Wright) C.B. Clarke
• Eleocharis palmeri Svens.
• Eleocharis palustris (L.) R. Br.
• Eleocharis palustris (L.) Roemer & J.A. Schultes
• Eleocharis parishii Britt.
• Eleocharis parvula (Roemer & J.A. Schultes) Link ex Bluff, Nees & Schauer
• Eleocharis pauciflora (Lightf.) Link accepted as Eleocharis quinqueflora (F.X. Hartmann) Schwarz
• Eleocharis perlonga Fern. & Brack. accepted as Eleocharis palustris (L.) Roemer & J.A. Schultes
• Eleocharis praticola Britt. accepted as Eleocharis flavescens (Poir.) Urban
• Eleocharis prolifera Torr. accepted as Eleocharis baldwinii (Torr.) Chapman
• Eleocharis quadrangulata (Michx.) Roemer & J.A. Schultes
• Eleocharis quinqueflora (F.X. Hartmann) Schwarz
• Eleocharis radicans (A. Dietr.) Kunth
• Eleocharis retroflexa (Poir.) Urban
• Eleocharis reverchonii Svens. accepted as Eleocharis acicularis (L.) Roemer & J.A. Schultes
• Eleocharis robbinsii Oakes
• Eleocharis rostellata (Torr.) Torr.
• Eleocharis schaffneri Boeckl.
• Eleocharis setifolia auct. non (A. Rich.) Raynal accepted as Eleocharis nigrescens (Nees) Steud.
• Eleocharis shaferi Britt. accepted as Eleocharis sintenisii Boeckl.
• Eleocharis simplex (Ell.) A. Dietr. accepted as Eleocharis tuberculosa (Michx.) Roemer & J.A. Schultes