Wolffia columbiana

ClassificationMonocots
FamilyAraceae
Family (Traditional)Araceae
GenusWolffia
SpeciesWolffia columbiana H. Karst.
Common NameColumbian 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: 3.9
C value 4
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
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

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: Fayette (KY), Madison (KY), Rowan (KY), Cumberland (TN), Montgomery (TN)

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

Range of years during which specimens were collected: 1978 - 1993

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
TENN-V-0059371 Fayette Kentucky
TENN
Wolffia columbiana
APSC0025954 Montgomery Tennessee
APSC
Wolffia columbiana
31234100105145 Madison Kentucky 07 Oct 1993 Gary W. Libby
EKY
Wolffia columbiana
MDKY00005707 Rowan Kentucky
MDKY
Wolffia columbiana
TENN-V-0059356 Cumberland Tennessee
TENN
Wolffia columbiana
BEREA003066 Madison Kentucky 07 Oct 1993 Gary W. Libby
OB-571 & OB-572
BEREA
Wolffia columbiana
APSC0025953 Montgomery Tennessee
APSC
Wolffia columbiana
31234100105103 Madison Kentucky 11 Jul 1978 Camacho
11
EKY
Wolffia columbiana
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