Egeria densa

ClassificationMonocots
FamilyHydrocharitaceae
Family (Traditional)Hydrocharitaceae
GenusEgeria
Species:Egeria densa Planch.
Common NameBrazilian Waterweed; Elodea; Anacharis
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Perennial; General Ecology: Aquatic; Growth Habit: forb; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: South America; Reproductive Phenology: May; Reproductive Phenology: June; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Reproductive Phenology: November; Leaf Arrangement: whorled; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Type: broadleaf; Leaf Venation: one-veined; Leaflet Margins: serrate; Leaflet Number: 0; Base Flower Color: White; Carpel Number/Pistil: 0; Fruit Dehiscence: No; Fruit Type: Capsule; Fruit Wet/Dry: Dry; Overall Flower Symmetry: Actinomorphic; Sporangium Arrangement: N/A; Stamen Number: 9
C value N/A
StatusNot Native; AGCP (OBL), EMP (OBL) (NWPL); TN[SNA] KY[SNA] (State Rank); G5 (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.
Featured Plant Photo

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 densa Anacharis densa (Planch.) Victorin
Elodea densa Elodea densa (Planch.) Caspary
Philotria densa Philotria densa (Planch.) Small & St. John

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), Chester (TN), Coffee (TN), Davidson (TN), Franklin (TN), Knox (TN), Lewis (TN), Marion (TN), Putnam (TN), White (TN)

Herbaria represented by specimen data listed below: VDB, UOS, UCHT, BEREA, TENN, HTTU

Range of years during which specimens were collected: 1979 - 2006

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used
HTTU013099 Putnam Tennessee
HTTU
Anacharis densa
BEREA004593 Putnam Tennessee 25 Jul 1986 Ralph L. Thompson, Janietta Jackson
86-732		 BEREA
Egeria densa
BEREA004592 Madison Kentucky 16 Dec 1983 Alonzo D. Hayes
2		 BEREA
Egeria densa
HTTU013098 Putnam Tennessee
HTTU
Anacharis densa
TENN-V-0014548 Marion Tennessee
TENN
Elodea densa
TENN-V-0014546 Davidson Tennessee
TENN
Elodea densa
TENN-V-0014547 Knox Tennessee
TENN
Elodea densa
TENN-V-0014544 Coffee Tennessee
TENN
Elodea densa
TENN-V-0014545 Tennessee
TENN
Elodea densa
TENN-V-0014549 White Tennessee
TENN
Elodea densa
TENN-V-0014543 Chester Tennessee
TENN
Elodea densa
UOS07131 Franklin Tennessee 21 May 1997 Mary P. Priestley
 UOS
Egeria densa
BRIT168378 Lewis Tennessee 26 Sep 1979 R. Kral
64390		 VDB
Egeria densa
UCHT038181 Knox Tennessee
UCHT
Egeria densa
HTTU013100 Putnam Tennessee
HTTU
Anacharis densa
UOS07132 Franklin Tennessee 18 Apr 2006 Yolande M. Gottfried
 UOS
Egeria densa
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Plant Photos

Egeria densa - Theo Witsell
Egeria densa - Theo Witsell
Egeria densa - Theo Witsell
Egeria densa - Theo Witsell
Egeria densa - Theo Witsell
Egeria densa - Theo Witsell