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Stuckenia pectinata - Potamogeton perfoliatus - (Zannichellia palustris) Tidal Marsh
Translated Name: Sago Pondweed - Claspingleaf Pondweed - (Horned Pondweed) Tidal Marsh
Common Name: Central Atlantic Freshwater Subtidal Marsh
Unique Identifier: CEGL006027
Classification Approach: International Vegetation Classification (IVC)
Summary: 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.



Classification

Classification Confidence: Low
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.

Vegetation Hierarchy
Class 2 - Shrub & Herb Vegetation
Subclass 2.C - Shrub & Herb Wetland
Formation 2.C.4 - Temperate to Polar Freshwater Marsh, Wet Meadow & Shrubland
Division 2.C.4.Ne - Atlantic & Gulf Coastal Marsh, Wet Meadow & Shrubland
Macrogroup Atlantic & Gulf Coastal Fresh-Oligohaline Tidal Marsh
Group Atlantic & Gulf Coastal Fresh-Oligohaline Tidal Marsh
Alliance Mixed Freshwater Subtidal Marsh

This is the revised vegetation hierarchy. For more information see Classification Sources and usnvc.org.

Similar Associations
Unique Identifier Name
CEGL004634 Vallisneria americana Estuarine Bayou Aquatic Vegetation
CEGL004661 Ceratophyllum demersum - Utricularia macrorhiza - Nymphaea odorata Aquatic Vegetation
CEGL006048 Ceratophyllum demersum - Vallisneria americana - Najas spp. Tidal Marsh
CEGL006167 Ruppia maritima Acadian/Virginian Zone Temperate Aquatic Vegetation
CEGL006370 Ruppia maritima - Stuckenia pectinata Aquatic Vegetation



Related Concepts from Other Classifications

Related Subnational Community Units
These data are subject to substantial ongoing revision and may be out of date for some states.
In the U.S., contact the state Heritage Program for the most complete and up-to-date information at: http://www.natureserve.org/natureserve-network.
Information from programs in other jurisdictions will be posted when they are made available.
Subnation Concept Name Relationship to Standard Confidence Reference
Delaware Central Atlantic Freshwater Subtidal Riverbed Equivalent Certain Coxe 2009
Massachusetts Seagrass Community Broader   MNHESP
New Jersey Stuckenia pectinata - Zannichellia palustris - (Ruppia maritima) Permanently Flooded-Tidal Herbaceous Vegetation Equivalent Certain Breden et al. 2001
New Jersey Polyhaline subtidal aquatic bed Undetermined   Breden 1989
New York Brackish subtidal aquatic bed Intersects   Edinger et al. 2002
New York Freshwater Subtidal Aquatic Bed Intersects   Edinger et al. 2002


Other Related Concepts
Related Concept Name: Potamogeton pectinatus - Zannichellia palustris Herbaceous Vegetation [Provisional]
Relationship: = - Equivalent
Reference: Bartgis, R. 1986. Natural community descriptions. Unpublished draft. Maryland Natural Heritage Program, Maryland Department of Natural Resources, Annapolis.
Related Concept Name: Potamogeton Community
Relationship: ? - Undetermined
Reference: Moore, K. A., D. J. Wilcox, and R. J. Orth. 2000. Analysis of the abundance of submersed aquatic vegetation communities in the Chesapeake Bay. Estuaries 23:115-127.
Related Concept Name: Zannichellia palustris Herbaceous Vegetation
Relationship: = - Equivalent
Reference: Clancy, K. 1996. Natural communities of Delaware. Unpublished review draft. Delaware Natural Heritage Program, Division of Fish and Wildlife, Delaware Division of Natural Resources and Environmental Control, Smyrna, DE. 52 pp.
Related Concept Name: Horned pondweed (Zannichellia palustris) permanently flooded vegetation
Relationship: = - Equivalent
Reference: Metzler, K., and J. Barrett. 2006. The vegetation of Connecticut: A preliminary classification. State Geological and Natural History Survey, Report of Investigations No. 12. Connecticut Natural Diversity Database, Hartford, CT.
Related Concept Name: Southern New England & Gulf of Maine Fresh /Brackish Subtidal Estuarine Communities
Relationship: ? - Undetermined
Reference: Rawinski, T. 1984a. Natural community description abstract - southern New England calcareous seepage swamp. Unpublished report. The Nature Conservancy, Boston, MA. 6 pp.

Ecological Systems Placement

Ecological Systems Placement
Ecological System Unique ID Ecological System Name
CES201.579 Acadian Estuary Marsh
CES203.521 Northern Atlantic Coastal Plain Subtidal Aquatic Bed


NatureServe Conservation Status
Global Status: G3G5 (01Dec1997)
Rounded Global Status: G4 - Apparently Secure

Distribution
Color legend for Distribution Map
United States Distribution: CT, DE, MA, MD, NJ, NY, VApotentially occurs
Global Distribution: United States
Global Range: This association occurs along the mid- and north Atlantic coast from Massachusetts to Virginia.

U.S. Forest Service Ecoregions
Domain Name: Humid Temperate Domain
Division Name: Warm Continental Division
Province Name: Laurentian Mixed Forest Province
Province Code: 212 Occurrence Status: Confident or certain
Section Name: Central Maine Coastal and Embayment Section
Section Code: 212D Occurrence Status: Confident or certain
Division Name: Hot Continental Division
Province Name: Eastern Broadleaf Forest (Oceanic) Province
Province Code: 221 Occurrence Status: Confident or certain
Section Name: Lower New England Section
Section Code: 221A Occurrence Status: Confident or certain
Section Name: Hudson Valley Section
Section Code: 221B Occurrence Status: Confident or certain
Division Name: Subtropical Division
Province Name: Outer Coastal Plain Mixed Forest Province
Province Code: 232 Occurrence Status: Confident or certain
Section Name: Middle Atlantic Coastal Plain Section
Section Code: 232A Occurrence Status: Confident or certain
Section Name: Coastal Plains and Flatwoods, Lower Section
Section Code: 232B Occurrence Status: Confident or certain
Section Name: Atlantic Coastal Flatwoods Section
Section Code: 232C Occurrence Status: Confident or certain


Vegetation

Vegetation Summary: 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.

Vegetation Composition (incomplete)
Species Name Rounded Global Status Growth Form Stratum Charact-
eristic
Dominant Constant
Cover Class %
Con-
stancy
%
Myriophyllum spicatum G4 Aquatic herb Submerged aquatic      
 
 
Potamogeton perfoliatus G4 Aquatic herb Submerged aquatic  
 
 
Stuckenia pectinata G4 Aquatic herb Submerged aquatic  
 
 
Trapa natans G4 Aquatic herb Submerged aquatic      
 
 
Zannichellia palustris G4 Aquatic herb Submerged aquatic  
 
 


Environmental Setting

Wetland Indicator: Y
Environmental Summary: This association occurs on fresh to slightly brackish flats that are continuously flooded, although certain areas can be exposed briefly during very low tides.


Dynamic Processes


Plot Sampling & Classification Analysis

Plots stored in VegBank


Authors/Contributors
Concept Author(s): Eastern Ecology Group
Element Description Edition Date: 13May2002
Element Description Author(s): S.L. Neid

Ecological data developed by NatureServe and its network of natural heritage programs (see Local Programs) and other contributors and cooperators (see Sources).


References
  • Bartgis, R. 1986. Natural community descriptions. Unpublished draft. Maryland Natural Heritage Program, Maryland Department of Natural Resources, Annapolis.

  • Berdine, M. A. 1998. Maryland vegetation classification. Maryland Department of Natural Resources, Annapolis, MD.

  • Breden, T. F. 1989. A preliminary natural community classification for New Jersey. Pages 157-191 in: E. F. Karlin, editor. New Jersey's rare and endangered plants and animals. Institute for Environmental Studies, Ramapo College, Mahwah, NJ. 280 pp.

  • Breden, T. F., Y. R. Alger, K. S. Walz, and A. G. Windisch. 2001. Classification of vegetation communities of New Jersey: Second iteration. Association for Biodiversity Information and New Jersey Natural Heritage Program, Office of Natural Lands Management, Division of Parks and Forestry, New Jersey Department of Environmental Protection, Trenton.

  • Clancy, K. 1996. Natural communities of Delaware. Unpublished review draft. Delaware Natural Heritage Program, Division of Fish and Wildlife, Delaware Division of Natural Resources and Environmental Control, Smyrna, DE. 52 pp.

  • Coxe, R. 2009. Guide to Delaware vegetation communities. Spring 2009 edition. State of Delaware, Division of Fish and Wildlife, Delaware Natural Heritage Program, Smyrna.

  • Eastern Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Boston, MA.

  • Edinger, G. J., D. J. Evans, S. Gebauer, T. G. Howard, D. M. Hunt, and A. M. Olivero, editors. 2014a. Ecological communities of New York state. Second edition. A revised and expanded edition of Carol Reschke's ecological communities of New York state. New York Natural Heritage Program, New York State Department of Environmental Conservation, Albany, NY.

  • Fleming, G. P. 2001a. Community types of Coastal Plain calcareous ravines in Virginia. Preliminary analysis and classification. Virginia Department of Conservation and Recreation, Division of Natural Heritage, Richmond, VA. 4 pp.

  • Harrison, J. W. 2011. The natural communities of Maryland: 2011 working list of ecological community groups and community types. Unpublished report. Maryland Department of Natural Resources, Wildlife and Heritage Service, Natural Heritage Program, Annapolis. 33 pp.

  • Harrison, J. W., compiler. 2004. Classification of vegetation communities of Maryland: First iteration. A subset of the International Classification of Ecological Communities: Terrestrial Vegetation of the United States, NatureServe. Maryland Natural Heritage Program, Maryland Department of Natural Resources, Annapolis. 243 pp.

  • Largay, E. F., and L. A. Sneddon. 2008. Vegetation classification and mapping at Saugus Iron Works National Historic Site. Technical Report NPS/NER/NRTR--2008/123. National Park Service, Philadelphia, PA. 111 pp.

  • Metzler, K., and J. Barrett. 2006. The vegetation of Connecticut: A preliminary classification. State Geological and Natural History Survey, Report of Investigations No. 12. Connecticut Natural Diversity Database, Hartford, CT.

  • Moore, K. A., D. J. Wilcox, and R. J. Orth. 2000. Analysis of the abundance of submersed aquatic vegetation communities in the Chesapeake Bay. Estuaries 23:115-127.

  • Rawinski, T. 1984a. Natural community description abstract - southern New England calcareous seepage swamp. Unpublished report. The Nature Conservancy, Boston, MA. 6 pp.

  • Reschke, C. 1990. Ecological communities of New York State. New York Natural Heritage Program, New York State Department of Environmental Conservation, Latham, NY. 96 pp.

  • Swain, P. C., and J. B. Kearsley. 2014. Classification of the natural communities of Massachusetts. Version 2.0. Natural Heritage & Endangered Species Program, Massachusetts Division of Fisheries and Wildlife. Westborough, MA. [http://www.mass.gov/nhesp/http://www.mass.gov/eea/agencies/dfg/dfw/natural-heritage/natural-communities/classification-of-natural-communities.html]


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