Cyperus polystachyos

ClassificationMonocots
FamilyCyperaceae
Family (Traditional)Cyperaceae
GenusCyperus
SpeciesCyperus polystachyos Rottb.
Common Namemanyspike flatsedge
Growth Habitgraminoid
Plant NotesLeaf Persistance: Deciduous; Habit: graminoid; Woody/Herbaceous: herbaceous; Terrestrial/Aquatic: Terrestrial;
Leaf Arrangement: Basal; Simple/Compound: Simple; Leaf Complexity: 0; Leaf Type: Grasslike;
Hypanthium: No; Perianth Absent: No; Flower Color2: Green; Fruit Color: Brown ;
*Average C-Value: 5.5
C value 6
StatusNative; AGCP (FACW), EMP (FACW) (NWPL); TN[SNR] KY[S4?] (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

SynonymFull Citation
Mariscus polystachyos Mariscus polystachyos auct. non A. Rich.

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: Breathitt (KY), Calloway (KY), Graves (KY), Jefferson (KY), Lyon (KY), Marshall (KY), Shelby (KY), Todd (KY), Trigg (KY), Coffee (TN), Fayette (TN), Hardin (TN), Haywood (TN), Henderson (TN), Henry (TN), Humphreys (TN), McNairy (TN), Madison (TN), Stewart (TN)

Herbaria represented by specimen data listed below: APSC, BEREA, EKY, TENN, UCHT

Range of years during which specimens were collected: 1949 - 1995

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100068855 Trigg Kentucky 25 Sep 1973 Raymond Athey
2616
EKY
Cyperus polystachyos
31234100068863 Shelby Kentucky 14 Oct 1995 Shawn Coyle
EKY
Cyperus polystachyos
31234100068830 Graves Kentucky 04 Oct 1984 Raymond Athey
5059
EKY
Cyperus polystachyos
BEREA004112 Breathitt Kentucky 22 Sep 1994 Randy L. Mears
427
BEREA
Cyperus polystachyos
BEREA004113 Calloway Kentucky 15 Sep 1993 Randy L. Mears
267
BEREA
Cyperus polystachyos
TENN-V-0038383 Madison Tennessee
TENN
Cyperus polystachyos
TENN-V-0039800 Marshall Kentucky
TENN
Cyperus polystachyos
TENN-V-0039810 Lyon Kentucky
TENN
Cyperus polystachyos
TENN-V-0038384 McNairy Tennessee
TENN
Cyperus polystachyos
TENN-V-0038381 Henry Tennessee
TENN
Cyperus polystachyos
TENN-V-0039848 Marshall Kentucky
TENN
Cyperus polystachyos
TENN-V-0038379 Haywood Tennessee
TENN
Cyperus polystachyos
TENN-V-0038377 Fayette Tennessee
TENN
Cyperus polystachyos
TENN-V-0039847 Calloway Kentucky
TENN
Cyperus polystachyos
APSC0070482 Lyon Kentucky
APSC
Cyperus polystachyos
31234100068814 Calloway Kentucky 19 Sep 1974 Raymond Athey
2959
EKY
Cyperus polystachyos
TENN-V-0039788 Todd Kentucky
TENN
Cyperus polystachyos
TENN-V-0038382 Henry Tennessee
TENN
Cyperus polystachyos
TENN-V-0039823 Todd Kentucky
TENN
Cyperus polystachyos
TENN-V-0039799 Calloway Kentucky
TENN
Cyperus polystachyos
TENN-V-0038378 Hardin Tennessee
TENN
Cyperus polystachyos
TENN-V-0039846 Calloway Kentucky
TENN
Cyperus polystachyos
TENN-V-0038380 Henderson Tennessee
TENN
Cyperus polystachyos
TENN-V-0038376 Coffee Tennessee
TENN
Cyperus polystachyos
APSC0039761 Humphreys Tennessee
APSC
Cyperus polystachyos
APSC0039763 Todd Kentucky 02 Jul 1949 Floyd Brown
APSC
Cyperus polystachyos
APSC0039744 Stewart Tennessee 25 Oct 1985 Edward Chester
APSC
Cyperus polystachyos
APSC0039766 Fayette Tennessee
APSC
Cyperus polystachyos
APSC0039745 Lyon Kentucky
APSC
Cyperus polystachyos
APSC0067720 Jefferson Kentucky 17 Oct 1982 Max Medley
APSC
Cyperus polystachyos
UCHT038831 Fayette Tennessee
UCHT
Cyperus polystachyos
APSC0100980 Trigg Kentucky
APSC
Cyperus polystachyos
APSC0070513 Marshall Kentucky
APSC
Cyperus polystachyos
APSC0039747 Stewart Tennessee 19 Aug 1986 Edward Chester
APSC
Cyperus polystachyos
APSC0072297 Marshall Kentucky
APSC
Cyperus polystachyos
APSC0039746 Lyon Kentucky
APSC
Cyperus polystachyos
APSC0070511 Calloway Kentucky 07 Sep 1979 Max Medley
APSC
Cyperus polystachyos
APSC0039762 Todd Kentucky 10 Sep 1949 Floyd Brown
APSC
Cyperus polystachyos
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Plant Photos

Cyperus polystachyos - Dwayne Estes
Cyperus polystachyos - Dwayne Estes