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CEGL006027 Stuckenia pectinata - Potamogeton perfoliatus - (Zannichellia palustris) Tidal Marsh
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Sago Pondweed - Claspingleaf Pondweed - (Horned Pondweed) Tidal Marsh
Colloquial Name: Central Atlantic Freshwater Subtidal Marsh
Hierarchy Level: Association
Type Concept: This type includes vegetation of shallow subtidal fresh to slightly brackish water and mud or sand sediments exposed at extreme low tide occurring along the mid- and north Atlantic coast. Common and dominant species include Stuckenia pectinata, Zannichellia palustris, Vallisneria americana, Najas guadalupensis, Elodea nuttallii, and Ceratophyllum demersum. Ruppia maritima may occur sporadically, but it is more prevalent in brackish and saline habitats. Invasive exotics often occur in this habitat, including Myriophyllum spicatum and Trapa natans. This association grades almost imperceptibly into brackish/saline aquatic bed vegetation.
Diagnostic Characteristics: No Data Available
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: The vegetation composition of this association intergrades with that of saline/brackish subtidal aquatic beds. This association can be distinguished from ~Ruppia maritima Acadian/Virginian Zone Temperate Aquatic Vegetation (CEGL006167)$$ in that Stuckenia pectinata and Zannichellia palustris rather than Ruppia maritima are strongly dominant. Southern analogs of fresh to oligohaline subtidal aquatic bed vegetation include ~Ceratophyllum demersum - Utricularia macrorhiza - Nymphaea odorata Aquatic Vegetation (CEGL004661)$$, which occurs in wind-tidal situations in the Chesapeake Bay area, and ~Vallisneria americana Estuarine Bayou Aquatic Vegetation (CEGL004634)$$ in the Gulf Coast. The vegetation composition of this association is very similar to, if not indistinguishable from, that of non-tidal submerged aquatic beds.
Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: No Data Available
Floristics: This association includes beds of aquatic vegetation in fresh to slightly brackish waters. Common and dominant species include Stuckenia pectinata (= Potamogeton pectinatus), Zannichellia palustris, Vallisneria americana, Najas guadalupensis, Elodea nuttallii, and Ceratophyllum demersum. Ruppia maritima may occur sporadically, but it is more prevalent in brackish and saline habitats. Invasive exotics often occur in this habitat, including Myriophyllum spicatum and Trapa natans. This association grades almost imperceptibly into brackish/saline aquatic bed vegetation.
Dynamics: No Data Available
Environmental Description: This association occurs on fresh to slightly brackish flats that are continuously flooded, although certain areas can be exposed briefly during very low tides.
Geographic Range: This association occurs along the mid- and north Atlantic coast from Massachusetts to Virginia.
Nations: US
States/Provinces: CT, DE, MA, MD, NJ, NY, VA?
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.686704
Confidence Level: Low
Confidence Level Comments: No Data Available
Grank: G3G5
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 | A4486 <i>Stuckenia pectinata - Zannichellia palustris - Ceratophyllum demersum</i> Northern Freshwater Subtidal Marsh Alliance | A4486 | 5.B.2.Na.1.b |
| Association | CEGL006027 Sago Pondweed - Claspingleaf Pondweed - (Horned Pondweed) Tidal Marsh | CEGL006027 | 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: = Potamogeton pectinatus - Zannichellia palustris Herbaceous Vegetation [Provisional] (Bartgis 1986)
? Potamogeton Community (Moore et al. 2000)
= Zannichellia palustris Herbaceous Vegetation (Clancy 1996)
= Horned pondweed (Zannichellia palustris) permanently flooded vegetation (Metzler and Barrett 2006)
? Southern New England & Gulf of Maine Fresh /Brackish Subtidal Estuarine Communities (Rawinski 1984a)
? Potamogeton Community (Moore et al. 2000)
= Zannichellia palustris Herbaceous Vegetation (Clancy 1996)
= Horned pondweed (Zannichellia palustris) permanently flooded vegetation (Metzler and Barrett 2006)
? Southern New England & Gulf of Maine Fresh /Brackish Subtidal Estuarine Communities (Rawinski 1984a)
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