Elodea nuttallii

ClassificationMonocots
FamilyHydrocharitaceae
Family (Traditional)Hydrocharitaceae
GenusElodea
SpeciesElodea nuttallii (Planch.) H. St. John
Common Namewestern waterweed
Growth Habitforb
Plant NotesLeaf Persistance: Deciduous; Habit: forb; Woody/Herbaceous: herbaceous; Terrestrial/Aquatic: Aquatic;
Leaf Arrangement: Whorled; Simple/Compound: Simple; Leaf Complexity: 0;
Hypanthium: No; Perianth Absent: No; Fruit Color: ;
*Average C-Value: 5.4
C value 5
StatusNative; AGCP (OBL), EMP (OBL) (NWPL); TN[S2] KY[S2?] (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
Anacharis nuttallii Anacharis nuttallii Planch.
Anacharis occidentalis Anacharis occidentalis (Pursh) Marie- Vict.
Elodea columbiana Elodea columbiana St.John
Elodea minor Elodea minor Farwell
Elodea nuttalli Elodea nuttalli (Planch.) H. St. John
Elodea occidentalis Elodea occidentalis St.John
Philotria angustifolia Philotria angustifolia Britton ex Rydb.
Philotria minor Philotria minor Small
Philotria nuttallii Philotria nuttallii Rydb.
Philotria occidentalis Philotria occidentalis House
Udora verticillata var. minor Udora verticillata var. minor Engelm.

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: Madison (KY), Anderson (TN), Bedford (TN), Campbell (TN), DeKalb (TN), Hamilton (TN), Lake (TN), Loudon (TN), Marion (TN), Montgomery (TN), Obion (TN), Roane (TN), Sullivan (TN)

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

Range of years during which specimens were collected: 1986 - 1990

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100094935 Madison Kentucky J. Skidmore
EKY
Elodea nuttallii
31234100094950 Madison Kentucky Gary W. Libby
EKY
Elodea nuttallii
BEREA004595 DeKalb Tennessee 22 Jul 1986 Ralph L. Thompson
86-647
BEREA
Elodea nuttallii
TENN-V-0014560 Montgomery Tennessee
TENN
Elodea nuttallii
TENN-V-0014561 Obion Tennessee
TENN
Elodea nuttallii
TENN-V-0014553 Hamilton Tennessee
TENN
Elodea nuttallii
TENN-V-0014557 Lake Tennessee
TENN
Elodea nuttallii
TENN-V-0014558 Lake Tennessee
TENN
Elodea nuttallii
TENN-V-0014565 Sullivan Tennessee
TENN
Elodea nuttallii
TENN-V-0014552 Bedford Tennessee
TENN
Elodea nuttallii
TENN-V-0014550 Campbell Tennessee
TENN
Elodea nuttallii
APSC0038425 Loudon Tennessee
APSC
Elodea nuttallii
APSC0038424 Roane Tennessee
APSC
Elodea nuttallii
APSC0038429 Lake Tennessee
APSC
Elodea nuttallii
31234100094943 Roane Tennessee 11 Jul 1990 V. E. McNeilus
90-494
EKY
Elodea nuttallii
31234100094927 Madison Kentucky Donna Perkins
EKY
Elodea nuttallii
31973000014125 Madison Kentucky
KNK
Elodea nuttallii
TENN-V-0014554 Lake Tennessee
TENN
Elodea nuttallii
TENN-V-0014556 Lake Tennessee
TENN
Elodea nuttallii
TENN-V-0014555 Lake Tennessee
TENN
Elodea nuttallii
TENN-V-0014551 Anderson Tennessee
TENN
Elodea nuttallii
TENN-V-0014559 Marion Tennessee
TENN
Elodea nuttallii
TENN-V-0014563 Sullivan Tennessee
TENN
Elodea nuttallii
TENN-V-0014562 Roane Tennessee
TENN
Elodea nuttallii
TENN-V-0014564 Sullivan Tennessee
TENN
Elodea nuttallii
N/A Obion Tennessee 13 Jul 1986 Milo Guthrie
1183
APSC
Elodea nuttallii
APSC0091291 Obion Tennessee
APSC
Elodea nuttallii
N/A Lake Tennessee 28 May 1986 Milo Guthrie
965
APSC
Elodea nuttallii
APSC0038428 Obion Tennessee
APSC
Elodea nuttallii
TENN-V-0243552 Roane Tennessee
TENN
Elodea nuttallii
TENN-V-0243551 Loudon Tennessee
TENN
Elodea nuttallii
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Plant Photos

Elodea nuttallii - Theo Witsell
Elodea nuttallii - Theo Witsell
Elodea nuttallii - Theo Witsell
Elodea nuttallii - Theo Witsell
Elodea nuttallii - Theo Witsell
Elodea nuttallii - Theo Witsell
Elodea nuttallii - Theo Witsell
Elodea nuttallii - Theo Witsell
Elodea nuttallii - Theo Witsell
Elodea nuttallii - Theo Witsell
Elodea nuttallii - Theo Witsell
Elodea nuttallii - Theo Witsell