Print Report
CEGL007689 Potamogeton perfoliatus - (Stuckenia pectinata, Zannichellia palustris) Tidal Marsh
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Claspingleaf Pondweed - (Sago Pondweed, Horned Pondweed) Tidal Marsh
Colloquial Name: Gulf Coast Submersed Aquatic Vegetation
Hierarchy Level: Association
Type Concept: This broadly defined type represents submersed aquatic vegetation dominated by Potamogeton perfoliatus. Other components may include the native species Cabomba caroliniana, Ceratophyllum demersum, Heteranthera dubia, Najas guadalupensis, Potamogeton pusillus, Vallisneria americana, and Zannichellia palustris, and the exotics Egeria densa, Hydrilla verticillata, and Myriophyllum spicatum. This community occurs in Lake Pontchartrain, Louisiana, and possibly Texas. The composition of this community varies with changes in salinity and may be replaced by other aquatic communities in extreme cases.
Diagnostic Characteristics: No Data Available
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: This vegetation is present in tidal waters of Lake Pontchartrain, Louisiana (232Ec) (L. Smith pers. comm.). More information is needed. Stuckenia pectinata is not a component of this community in Lake Pontchartrain (L. Smith pers. comm.).
Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: No Data Available
Floristics: As currently described, this community encompasses submersed aquatic vegetation dominated by Potamogeton perfoliatus. Other components may include Ruppia maritima (as salinity increases), Vallisneria americana (as salinity decreases), and Zannichellia palustris (in areas with extremely low salinity). In Louisiana, examples may contain Cabomba caroliniana, Ceratophyllum demersum, Hydrilla verticillata, Myriophyllum heterophyllum, Najas guadalupensis, and others.
Dynamics: The composition of this community varies with changes in salinity and may be replaced by other aquatic communities in extreme cases. Prolonged drought in Lake Pontchartrain may have caused the elimination of Potamogeton perfoliatus (M. Poirrier pers. comm.).
Environmental Description: This submersed aquatic vegetation community is thought to occur in tidal oligohaline environments. Increases and decreases in salinity may cause a compositional shift to other tidal aquatic communities.
Geographic Range: This community is currently described from Lake Pontchartrain, Louisiana. It or similar vegetation may also occur along the middle and upper Texas coast.
Nations: US
States/Provinces: LA, TX?
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.684618
Confidence Level: Low - Poorly Documented
Confidence Level Comments: No Data Available
Grank: GNR
Greasons: No Data Available
| Type | Name | Database Code | Classification Code |
|---|---|---|---|
| Class | 5 Aquatic Vegetation Class | C05 | 5 |
| Subclass | 5.B Freshwater Aquatic Vegetation Subclass | S13 | 5.B |
| Formation | 5.B.2 Temperate to Polar Freshwater Aquatic Vegetation Formation | F057 | 5.B.2 |
| Division | 5.B.2.Na North American Freshwater Aquatic Vegetation Division | D049 | 5.B.2.Na |
| Macrogroup | 5.B.2.Na.1 Hornwort species - Pond-lily species - Pondweed species Eastern North American Freshwater Aquatic Vegetation Macrogroup | M108 | 5.B.2.Na.1 |
| Group | 5.B.2.Na.1.b <i>Stuckenia pectinata - Zannichellia palustris - Ceratophyllum demersum</i> Freshwater Subtidal Marsh Group | G924 | 5.B.2.Na.1.b |
| Alliance | A4485 <i>Stuckenia pectinata - Ceratophyllum demersum</i> Northern Freshwater Subtidal Marsh Alliance | A4485 | 5.B.2.Na.1.b |
| Association | CEGL007689 Claspingleaf Pondweed - (Sago Pondweed, Horned Pondweed) Tidal Marsh | CEGL007689 | 5.B.2.Na.1.b |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: No Data Available
- LNHP [Louisiana Natural Heritage Program]. 2009. Natural communities of Louisiana. Louisiana Natural Heritage Program, Louisiana Department of Wildlife & Fisheries, Baton Rouge. 46 pp. [http://www.wlf.louisiana.gov/sites/default/files/pdf/page_wildlife/6776-Rare%20Natural%20Communities/LA_NAT_COM.pdf]
- Poirrier, M. A., K. Burt-Utley, J. F. Utley, and E. A. Spalding. 2010. Submersed aquatic vegetation of the Jean Lafitte National Historical Park and Preserve. Southeastern Naturalist 9(3):477-486.
- Poirrier, Michael. Personal communication. Professor, University of New Orleans, New Orleans, LA.
- Smith, Latimore M. Personal communication. Natural Heritage Program Ecologist. Louisiana Department of Wildlife and Fisheries, Natural Heritage Program, Baton Rouge.
- Southeastern Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Durham, NC.