Eleocharis quadrangulata

ClassificationMonocots
FamilyCyperaceae
Family (Traditional)Cyperaceae
GenusEleocharis
SpeciesEleocharis quadrangulata (Michx.) Roem. & Schult.
Common Namesquarestem spikerush
Growth Habitgraminoid
Plant NotesLeaf Persistance: Deciduous; Habit: graminoid; Woody/Herbaceous: herbaceous; Terrestrial/Aquatic: Terrestrial;
Leaf Arrangement: Leaves absent; Simple/Compound: Simple; Leaf Complexity: 0; Leaf Type: Sheath with Scale;
Hypanthium: No; Perianth Absent: No; Flower Color2: Green; Fruit Color: Brown ;
*Average C-Value: 6.9
C value 7
StatusNative; AGCP (OBL), EMP (OBL) (NWPL); TN[SNR] KY[S5] (State Rank); G5 (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

  • State Boundaries
  • Counties
  • Counties - Species Present
Ecoregions
  • Southeastern Plains
    • Blackland Prarie
  • Blue Ridge Mountains
  • Ridge and Valley
  • Cumberland Plateau
  • Cumberland Mountains
  • Allegheny Plateau
  • Interior Plateau
    • Bluegrass Region
    • Nashville Basin
    • Pennyroyal Karst Plain
    • Western Highland Rim
    • Eastern Highland Rim

Synonyms

No synonyms exist for this species.

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort.

Counties included on distribution map: Bell (KY), Breckinridge (KY), Campbell (KY), Clinton (KY), Edmonson (KY), Fleming (KY), Hardin (KY), Hart (KY), Hopkins (KY), Jefferson (KY), Knox (KY), Laurel (KY), Lincoln (KY), Logan (KY), Lyon (KY), McCreary (KY), Madison (KY), Magoffin (KY), Meade (KY), Muhlenberg (KY), Rockcastle (KY), Rowan (KY), Trigg (KY), Wayne (KY), Bledsoe (TN), Campbell (TN), Cannon (TN), Coffee (TN), Cumberland (TN), Fentress (TN), Franklin (TN), Grundy (TN), Hamilton (TN), Henderson (TN), Henry (TN), Humphreys (TN), Marion (TN), Meigs (TN), Morgan (TN), Putnam (TN), Roane (TN), Scott (TN), Stewart (TN), Sullivan (TN), Van Buren (TN), Warren (TN), White (TN)

Herbaria represented by specimen data listed below: APSC, BEREA, BOON, EKY, ETSU, HTTU, KNK, MDKY, MTSU, TENN, UCHT, UOS, VDB

Range of years during which specimens were collected: 1971 - 2015

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100081940 McCreary Kentucky 12 Jul 1991 Douglas Stephens
22
EKY
Eleocharis quadrangulata
31234100081932 Magoffin Kentucky 13 Sep 1997 A. D. Wireman
13
EKY
Eleocharis quadrangulata
31234100081957 McCreary Kentucky 10 Aug 1991 Ronald L. Jones
6831
EKY
Eleocharis quadrangulata
31234100081890 Knox Kentucky 13 Jul 1990 Ronald L. Jones
6524
EKY
Eleocharis quadrangulata
31234100081916 Madison Kentucky 21 Jul 1992 Timothy J. Weckman
39
EKY
Eleocharis quadrangulata
31234100081882 Fleming Kentucky 24 Jun 1992 Landon E. McKinney
5150
EKY
Eleocharis quadrangulata
31234100081965 Muhlenberg Kentucky 21 Nov 1978 Richard H. Hannan
1002
EKY
Eleocharis quadrangulata
31234100081908 Lincoln Kentucky 28 Oct 2001 Thomas Barbour
7
EKY
Eleocharis quadrangulata
BEREA004244 White Tennessee
BEREA
Eleocharis quadrangulata
BEREA004242 Madison Kentucky
BEREA
Eleocharis quadrangulata
BEREA004241 Madison Kentucky
BEREA
Eleocharis quadrangulata
ETSU002288 Sullivan Tennessee
ETSU
Eleocharis quadrangulata
31973000011631 Campbell Kentucky
KNK
Eleocharis quadrangulata
31234100739422 Clinton Kentucky 10 Jun 2000 Mark A. Gorton
00-216
EKY
Eleocharis quadrangulata
31234100081924 Magoffin Kentucky 13 Sep 1997 A. D. Wireman
13
EKY
Eleocharis quadrangulata
31234100081973 Wayne Kentucky 12 Jul 1996 Ronald L. Jones
7851
EKY
Eleocharis quadrangulata
31234100081999 Bledsoe Tennessee 13 Jun 1987 Ronald L. Jones
4936a
EKY
Eleocharis quadrangulata
31234100082005 Coffee Tennessee 01 Jun 2001 Dwayne Estes
2377
EKY
Eleocharis quadrangulata
31234100081874 Clinton Kentucky 03 Jul 2000 Mark A. Gorton
00-419
EKY
Eleocharis quadrangulata
BEREA004240 Madison Kentucky
BEREA
Eleocharis quadrangulata
BEREA004243 Rockcastle Kentucky
BEREA
Eleocharis quadrangulata
ETSU002289 Sullivan Tennessee
ETSU
Eleocharis quadrangulata
31973000011632 Rowan Kentucky
KNK
Eleocharis quadrangulata
31973000011630 Campbell Kentucky
KNK
Eleocharis quadrangulata
MDKY00003606 Fleming Kentucky
MDKY
Eleocharis quadrangulata
MDKY00003605 Rowan Kentucky
MDKY
Eleocharis quadrangulata
TENN-V-0043052 Hopkins Kentucky
TENN
Eleocharis quadrangulata
TENN-V-0042417 Van Buren Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042412 Putnam Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042415 Scott Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042413 Putnam Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042404 Grundy Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042411 Morgan Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042406 Henderson Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042418 Van Buren Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042416 Sullivan Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042420 White Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042400 Franklin Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042391 Coffee Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0243498 Marion Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042394 Coffee Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042414 Roane Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042388 Bledsoe Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042389 Campbell Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042403 Grundy Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042393 Coffee Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042397 Coffee Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042392 Coffee Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042399 Fentress Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042398 Cumberland Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042395 Coffee Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0243499 Marion Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042419 Warren Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042401 Franklin Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042409 Marion Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042410 Meigs Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042405 Hamilton Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042390 Campbell Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042407 Humphreys Tennessee
TENN
Eleocharis quadrangulata
UCHT003942 Marion Tennessee
UCHT
Eleocharis quadrangulata
UCHT003945 Marion Tennessee
UCHT
Eleocharis quadrangulata
007044 Van Buren Tennessee
BOON
Eleocharis quadrangulata
APSC0039404 Humphreys Tennessee
APSC
Eleocharis quadrangulata
APSC0106354 Cannon Tennessee
APSC
Eleocharis quadrangulata
APSC0039407 Henry Tennessee 25 Aug 1990 Edward Chester
APSC
Eleocharis quadrangulata
APSC0039398 Stewart Tennessee 22 Jun 1987 Edward Chester
APSC
Eleocharis quadrangulata
APSC0072403 Hardin Kentucky
APSC
Eleocharis quadrangulata
APSC0039400 Marion Tennessee
APSC
Eleocharis quadrangulata
APSC0039402 Coffee Tennessee
APSC
Eleocharis quadrangulata
APSC0107066 Franklin Tennessee
APSC
Eleocharis quadrangulata
APSC0045225 Logan Kentucky 20 Aug 2015 Mason Brock
APSC
Eleocharis quadrangulata
APSC0039392 Stewart Tennessee 24 Jul 2006 Edward Chester
APSC
Eleocharis quadrangulata
APSC0039406 Marion Tennessee
APSC
Eleocharis quadrangulata
APSC0039401 Marion Tennessee
APSC
Eleocharis quadrangulata
APSC0107008 Coffee Tennessee
APSC
Eleocharis quadrangulata
APSC0039394 Trigg Kentucky
APSC
Eleocharis quadrangulata
APSC0041103 Hamilton Tennessee
APSC
Eleocharis quadrangulata
APSC0039405 Marion Tennessee
APSC
Eleocharis quadrangulata
APSC0072074 Coffee Tennessee
APSC
Eleocharis quadrangulata
APSC0068229 Campbell Kentucky 21 Aug 1982 Max Medley
APSC
Eleocharis quadrangulata
APSC0072346 Jefferson Kentucky
APSC
Eleocharis quadrangulata
APSC0039408 Henry Tennessee 25 Aug 1990 Edward Chester
APSC
Eleocharis quadrangulata
APSC0072225 Edmonson Kentucky
APSC
Eleocharis quadrangulata
TENN-V-0042396 Coffee Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042402 Grundy Tennessee
TENN
Eleocharis quadrangulata
TENN-V-0042408 Humphreys Tennessee
TENN
Eleocharis quadrangulata
UCHT003943 Marion Tennessee
UCHT
Eleocharis quadrangulata
APSC0098833 Cannon Tennessee
APSC
Eleocharis quadrangulata
APSC0039395 Trigg Kentucky
APSC
Eleocharis quadrangulata
APSC0072398 Jefferson Kentucky
APSC
Eleocharis quadrangulata
APSC0072407 Jefferson Kentucky
APSC
Eleocharis quadrangulata
APSC0072399 Hardin Kentucky
APSC
Eleocharis quadrangulata
APSC0068330 Hart Kentucky
APSC
Eleocharis quadrangulata
APSC0039399 Trigg Kentucky
APSC
Eleocharis quadrangulata
APSC0072224 Bell Kentucky 14 Jun 1975 Raymond Athey
APSC
Eleocharis quadrangulata
APSC0068224 McCreary Kentucky
APSC
Eleocharis quadrangulata
APSC0068231 Laurel Kentucky 20 Aug 1979 Max Medley
APSC
Eleocharis quadrangulata
APSC0072249 Hopkins Kentucky
APSC
Eleocharis quadrangulata
APSC0072405 Campbell Kentucky
APSC
Eleocharis quadrangulata
APSC0072201 Putnam Tennessee
APSC
Eleocharis quadrangulata
APSC0072401 Meade Kentucky
APSC
Eleocharis quadrangulata
APSC0072344 Jefferson Kentucky
APSC
Eleocharis quadrangulata
APSC0039396 Lyon Kentucky
APSC
Eleocharis quadrangulata
APSC0072227 Breckinridge Kentucky 17 Jul 1971
APSC
Eleocharis quadrangulata
APSC0039393 Trigg Kentucky
APSC
Eleocharis quadrangulata
APSC0072402 Jefferson Kentucky
APSC
Eleocharis quadrangulata
HTTU007132 Cumberland Tennessee
HTTU
Eleocharis quadrangulata
HTTU014445 Campbell Tennessee
HTTU
Eleocharis quadrangulata
MTSU003518 Edmonson Kentucky 21 Jul 1988 Landon E. McKinney
MTSU
Eleocharis quadrangulata
UOS06966 Franklin Tennessee 05 Jul 1998 Yolande M. Gottfried
UOS
Eleocharis quadrangulata
UOS06982 Van Buren Tennessee 31 Jul 2001 Chris A. Fleming
UOS
Eleocharis quadrangulata
APSC0072400 Edmonson Kentucky
APSC
Eleocharis quadrangulata
APSC0039397 Lyon Kentucky
APSC
Eleocharis quadrangulata
HTTU007129 Cumberland Tennessee
HTTU
Eleocharis quadrangulata
HTTU007131 Putnam Tennessee
HTTU
Eleocharis quadrangulata
TENN-V-0245304 Coffee Tennessee
TENN
Eleocharis quadrangulata
UOS06981 Franklin Tennessee 15 Jul 1996 Landon E. McKinney
UOS
Eleocharis quadrangulata
BRIT164238 Tennessee
VDB
Eleocharis quadrangulata
BRIT164229 Tennessee
VDB
Eleocharis quadrangulata
BRIT164241 Tennessee
VDB
Eleocharis quadrangulata
BRIT164240 Tennessee
VDB
Eleocharis quadrangulata
BRIT164234 Tennessee
VDB
Eleocharis quadrangulata
BRIT164242 Tennessee
VDB
Eleocharis quadrangulata
BRIT164230 Tennessee
VDB
Eleocharis quadrangulata
BRIT164236 Tennessee
VDB
Eleocharis quadrangulata
BRIT164235 Tennessee
VDB
Eleocharis quadrangulata
UOS06983 Franklin Tennessee 04 May 2005 Yolande M. Gottfried
UOS
Eleocharis quadrangulata
BRIT164232 Tennessee
VDB
Eleocharis quadrangulata
BRIT164228 Tennessee
VDB
Eleocharis quadrangulata
BRIT164217 Tennessee
VDB
Eleocharis quadrangulata
BRIT164239 Tennessee
VDB
Eleocharis quadrangulata
BRIT164237 Tennessee
VDB
Eleocharis quadrangulata
BRIT164233 Tennessee
VDB
Eleocharis quadrangulata
BRIT164231 Tennessee
VDB
Eleocharis quadrangulata
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Plant Photos

Eleocharis quadrangulata - Theo Witsell
Eleocharis quadrangulata - Theo Witsell
Eleocharis quadrangulata - Theo Witsell
Eleocharis quadrangulata - Theo Witsell
Eleocharis quadrangulata - Theo Witsell
Eleocharis quadrangulata - Theo Witsell