Heteranthera dubia

Classification	Monocots
Family	Pontederiaceae
Family (Traditional)	Pontederiaceae
Genus	Heteranthera
Species:	Heteranthera dubia (Jacq.) MacMill.
Common Name	Grassleaf Mudplantain
Growth Habit	forb
Plant Notes	**
Characteristics	Armaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: Yes; Woody Herbaceous: Herbaceous; Natural Area Presence: GRSM; Natural Area Presence: RCSP; Natural Area Presence: UCR; Duration: Annual; Duration: Perennial; General Ecology: Aquatic; Growth Habit: forb; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: North America; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Leaf Arrangement: alternate; Leaf Arrangement: floating; Leaf Arrangement: submerged; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: petiolate; Leaf Petiole Type: sessile; Leaf Type: broadleaf; Leaf Type: grass-like; Leaf Venation: one-veined; Leaflet Margins: entire; Leaflet Number: 0; Anther Type: Basifixed; Base Flower Color: Yellow; Carpel Number/Pistil: 3; Fruit Dehiscence: No; Fruit Type: Capsule; Fruit Wet/Dry: Dry; Hypanthium Present: No; Inflorescence Position: axillary; Inflorescence Types: solitary; Ovary Position: Superior; Overall Flower Symmetry: Actinomorphic; Perianth Present: Yes; Petal Fusion: Yes; Petal Number: 3; Pistil Complexity: Compound; Pistil Number: 1; Placentation Type: Parietal; Placentation Type: Basal; Sepal Fusion: Yes; Sepal Number: 3; Sexuality: monoclinous; Sporangium Arrangement: N/A; Stamen Number: 3; Tepal Fusion: Yes; Tepal Number: 6
C value	6
Status	Native; AGCP (OBL), EMP (OBL) (NWPL); TN[SNR] KY[S3] (State Rank); G5 (Global Rank)
Specimen(s)	View and Download Specimen Details »

** Not applicable or data not available.

View More Photos »

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

Interior River Valleys and Hills
- Shawnee / Caseyville Hills
Mississippi Alluvial Plain
Mississippi Valley Loess Plains
Show/Hide Ecoregions
Show/Hide Ecoregion Labels

Synonyms

Synonym	Full Citation
Heteranthera graminea	Heteranthera graminea (Michx.) Vahl
Heteranthera liebmannii	Heteranthera liebmannii (Buch. ex Magnus) Shinners
Potamogeton liebmannii	Potamogeton liebmannii
Zosterella dubia	Zosterella dubia (Jacq.) Small
Zosterella longituba	Zosterella longituba Alexander

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: Adair (KY), Bracken (KY), Jefferson (KY), Lyon (KY), Meade (KY), Oldham (KY), Trigg (KY), Benton (TN), Bradley (TN), DeKalb (TN), Giles (TN), Grainger (TN), Hancock (TN), Hardin (TN), Hawkins (TN), Humphreys (TN), Jefferson (TN), Knox (TN), Lake (TN), Loudon (TN), Marion (TN), Maury (TN), Montgomery (TN), Obion (TN), Roane (TN), Stewart (TN), Sullivan (TN)

Herbaria represented by specimen data listed below: APSC, BEREA, BOON, EKY, ETSU, HTTU, KNK, TENN, UCHT, UTM

Range of years during which specimens were collected: 1948 - 2019

Accession No. (click for full details)	County	State	Coll. Date	Collector & Collection No.	Herbarium & Herbarium Name Used
31234100147717		Tennessee	07 Aug 1985	Ronald L. Jones 4520	EKY Heteranthera dubia
TENN-V-0061106	Humphreys	Tennessee			TENN Heteranthera dubia
TENN-V-0061131	Sullivan	Tennessee			TENN Heteranthera dubia
APSC0031773	Roane	Tennessee			APSC Heteranthera dubia
APSC0091292	Obion	Tennessee			APSC Heteranthera dubia
APSC0031789	Stewart	Tennessee	03 Aug 2007	Edward Chester	APSC Heteranthera dubia
ETSU027000	Hawkins	Tennessee	18 Oct 2019	Frosty Levy, Elaine Walker 191156	ETSU Heteranthera dubia
31234100147709	Adair	Kentucky		Bruce Hoagland	EKY Heteranthera dubia
TENN-V-0061121	Maury	Tennessee			TENN Heteranthera dubia
TENN-V-0061128	Obion	Tennessee			TENN Heteranthera dubia
TENN-V-0061178	Trigg	Kentucky			TENN Heteranthera dubia
UCHT005356	Bradley	Tennessee	29 Aug 1986	D. Houck 2566	UCHT Heteranthera dubia
APSC0031774	Benton	Tennessee			APSC Heteranthera dubia
APSC0031783	Bracken	Kentucky			APSC Heteranthera dubia
APSC0031786	Humphreys	Tennessee			APSC Heteranthera dubia
APSC0074230	Trigg	Kentucky			APSC Heteranthera dubia
APSC0031791	Trigg	Kentucky			APSC Heteranthera dubia
APSC0031793	Trigg	Kentucky			APSC Heteranthera dubia
ETSU026719	Hawkins	Tennessee	07 Sep 2019	Frosty Levy, Elaine Walker 19875	ETSU Heteranthera dubia
APSC0031779	Maury	Tennessee			APSC Heteranthera dubia
009900	Lake	Tennessee	06 Oct 1972	Elizabeth M. Browne 72J1.4	BOON Heteranthera dubia
TENN-V-0061109	Knox	Tennessee			TENN Heteranthera dubia
TENN-V-0061101	Grainger	Tennessee			TENN Heteranthera dubia
TENN-V-0061103	Hardin	Tennessee			TENN Heteranthera dubia
TENN-V-0061124	Obion	Tennessee			TENN Heteranthera dubia
TENN-V-0061115		Tennessee			TENN Heteranthera dubia
TENN-V-0061112	Lake	Tennessee			TENN Heteranthera dubia
APSC0079015	Oldham	Kentucky			APSC Heteranthera dubia
APSC0031787	Montgomery	Tennessee	04 Sep 1948	Alfred Clebsch	APSC Heteranthera dubia
APSC0088521	Jefferson	Kentucky			APSC Heteranthera dubia
APSC0119088	Trigg	Kentucky			APSC Heteranthera dubia
HTTU012435	DeKalb	Tennessee			HTTU Heteranthera dubia
HTTU019397		Tennessee			HTTU Heteranthera dubia
31973000017352	Bracken	Kentucky			KNK Heteranthera dubia
TENN-V-0061119	Marion	Tennessee			TENN Heteranthera dubia
APSC0076587	Trigg	Kentucky			APSC Heteranthera dubia
TENN-V-0061117	Lake	Tennessee			TENN Heteranthera dubia
TENN-V-0061113	Lake	Tennessee			TENN Heteranthera dubia
TENN-V-0061104	Hawkins	Tennessee			TENN Heteranthera dubia
TENN-V-0061122	Maury	Tennessee			TENN Heteranthera dubia
TENN-V-0061129	Roane	Tennessee			TENN Heteranthera dubia
TENN-V-0061111	Knox	Tennessee			TENN Heteranthera dubia
TENN-V-0061120	Marion	Tennessee			TENN Heteranthera dubia
APSC0113561	Meade	Kentucky			APSC Heteranthera dubia
APSC0031777	Humphreys	Tennessee			APSC Heteranthera dubia
APSC0119087	Trigg	Kentucky			APSC Heteranthera dubia
UTM00275	Obion	Tennessee			UTM Heteranthera dubia
N/A	Hawkins	Tennessee	07 Sep 2019	Frosty Levy, Elaine Walker	ETSU Heteranthera dubia
UTM02678	Obion	Tennessee			UTM Heteranthera dubia
UTM00273	Obion	Tennessee			UTM Heteranthera dubia
TENN-V-0061118	Loudon	Tennessee			TENN Heteranthera dubia
BEREA008351	DeKalb	Tennessee			BEREA Heteranthera dubia
BEREA008348	Adair	Kentucky			BEREA Heteranthera dubia
TENN-V-0061123	Montgomery	Tennessee			TENN Heteranthera dubia
TENN-V-0061126	Obion	Tennessee			TENN Heteranthera dubia
TENN-V-0061107	Humphreys	Tennessee			TENN Heteranthera dubia
TENN-V-0061110	Knox	Tennessee			TENN Heteranthera dubia
TENN-V-0061102	Hancock	Tennessee			TENN Heteranthera dubia
TENN-V-0061114		Tennessee			TENN Heteranthera dubia
APSC0031794	Trigg	Kentucky			APSC Heteranthera dubia
APSC0031788	Stewart	Tennessee	03 Aug 2007	Edward Chester	APSC Heteranthera dubia
UTM00274	Obion	Tennessee			UTM Heteranthera dubia
N/A	Hawkins	Tennessee	18 Oct 2019	Frosty Levy, Elaine Walker	ETSU Heteranthera dubia
31973000017351	Bracken	Kentucky			KNK Heteranthera dubia
TENN-V-0061125	Obion	Tennessee			TENN Heteranthera dubia
TENN-V-0242193	Benton	Tennessee			TENN Heteranthera dubia
TENN-V-0061116	Lake	Tennessee			TENN Heteranthera dubia
TENN-V-0061100	Giles	Tennessee			TENN Heteranthera dubia
TENN-V-0061108	Jefferson	Tennessee			TENN Heteranthera dubia
TENN-V-0061130	Stewart	Tennessee			TENN Heteranthera dubia
APSC0031792	Lyon	Kentucky			APSC Heteranthera dubia
APSC0113564	Jefferson	Kentucky			APSC Heteranthera dubia
APSC0074233	Jefferson	Kentucky			APSC Heteranthera dubia
APSC0031782	Montgomery	Tennessee	01 Oct 1949	Alfred Clebsch	APSC Heteranthera dubia
APSC0041487	Loudon	Tennessee			APSC Heteranthera dubia
HTTU012434		Tennessee			HTTU Heteranthera dubia
BEREA008349	Bracken	Kentucky			BEREA Heteranthera dubia
TENN-V-0061099	Giles	Tennessee			TENN Heteranthera dubia
TENN-V-0061105	Humphreys	Tennessee			TENN Heteranthera dubia
TENN-V-0061177	Trigg	Kentucky			TENN Heteranthera dubia
TENN-V-0061127	Obion	Tennessee			TENN Heteranthera dubia
APSC0031790	Trigg	Kentucky			APSC Heteranthera dubia

View a List of All Ecological Communities

Heteranthera dubia

Related Links

Species Distribution Map

Ecoregions

Synonyms

Specimens and Distribution

Plant Photos