Eleocharis parvula

Family (Traditional)Cyperaceae
SpeciesEleocharis parvula (Roem. & Schult.) Link ex Bluff, Nees & Schauer
Common Namedwarf 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: 5.7
C value 6
StatusNative; AGCP (OBL), EMP (OBL) (NWPL); TN[SNR] (State Rank); G5 (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

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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
  • 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


SynonymFull Citation
Chaetocyperus membranacea Chaetocyperus membranacea
Eleocharis leptos Eleocharis leptos (Steud.) Svens.
Eleocharis leptos var. coloradoensis Eleocharis leptos var. coloradoensis (Britt.) Svens.
Eleocharis leptos var. johnstonii Eleocharis leptos var. johnstonii Svens.
Eleocharis membranacea Eleocharis membranacea Gilly
Eleocharis parvula var. coloradoensis Eleocharis parvula var. coloradoensis (Britt.) Beetle
Scirpus nanus var. anachaetus Scirpus nanus var. anachaetus Britton
Scirpus parvulus Scirpus parvulus

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: Henry (TN), Roane (TN)

Herbaria represented by specimen data listed below: TENN

Range of years during which specimens were collected: -

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
TENN-V-0042385 Henry Tennessee
Eleocharis parvula
TENN-V-0042387 Roane Tennessee
Eleocharis parvula
TENN-V-0042386 Roane Tennessee
Eleocharis parvula
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