Wolffia brasiliensis

Family (Traditional)Araceae
SpeciesWolffia brasiliensis Wedd.
Common NameBrazilian Watermeal
Growth Habitthalloid
Plant NotesLeaf Persistance: Deciduous; Habit: thalloid; Woody/Herbaceous: herbaceous; Terrestrial/Aquatic: Aquatic;
Leaf Arrangement: Floating; Submerged; Simple/Compound: Thalloid; Leaf Complexity: 0;
Hypanthium: No; Perianth Absent: No; Fruit Color: ;
*Average C-Value: 4.6
C value 5
StatusNative; AGCP (OBL), EMP (OBL) (NWPL); TN[SNR] KY[S4?] (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


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: Bracken (KY), Henry (KY), Cumberland (TN), Davidson (TN), Henry (TN), Lake (TN), Marion (TN), Marshall (TN), Meigs (TN), Warren (TN), White (TN)

Herbaria represented by specimen data listed below: KNK, TENN, UCHT

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-0059368 White Tennessee
Wolffia brasiliensis
TENN-V-0059363 Marshall Tennessee
Wolffia brasiliensis
TENN-V-0059367 Warren Tennessee
Wolffia brasiliensis
TENN-V-0059361 Lake Tennessee
Wolffia brasiliensis
TENN-V-0059362 Marion Tennessee
Wolffia brasiliensis
TENN-V-0059364 Meigs Tennessee
Wolffia brasiliensis
TENN-V-0059360 Henry Tennessee
Wolffia brasiliensis
TENN-V-0059357 Cumberland Tennessee
Wolffia brasiliensis
31973000015863 Bracken Kentucky
Wolffia brasiliensis
TENN-V-0059358 Davidson Tennessee
Wolffia brasiliensis
TENN-V-0210065 Tennessee A. Gattinger
Wolffia brasiliensis
UCHT037192 Davidson Tennessee
Wolffia brasiliensis
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