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Vallisneria americana - Potamogeton perfoliatus Aquatic Vegetation
Translated Name: American Eel-grass - Claspingleaf Pondweed Aquatic Vegetation
Common Name: Open Water Marsh with Mixed Submergents/Emergents
Unique Identifier: CEGL006196
Classification Approach: International Vegetation Classification (IVC)
Summary: This aquatic vegetation of sheltered bays of the northeastern United States occurs on lakes and streams where it is not highly disturbed by wave action. The vegetation is dominated by submergent or emergent plants with only minor floating-leaved components. Characteristic species may include Vallisneria americana, Potamogeton perfoliatus, Potamogeton epihydrus, Potamogeton nodosus, Heteranthera dubia, Heteranthera reniformis, Myriophyllum spp., Elodea canadensis, Utricularia spp., and Eriocaulon aquaticum.



Classification

Classification Confidence: Low - Poorly Documented

Vegetation Hierarchy
Class 5 - Aquatic Vegetation
Subclass 5.B - Freshwater Aquatic Vegetation
Formation 5.B.2 - Temperate to Polar Freshwater Aquatic Vegetation
Division 5.B.2.Na - North American Freshwater Aquatic Vegetation
Macrogroup Eastern North American Freshwater Aquatic Vegetation
Group Eastern North American Freshwater Aquatic Vegetation
Alliance American Eel-grass Aquatic Vegetation

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



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These data are subject to substantial ongoing revision and may be out of date for some states.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 Open Water Marsh with Mixed Submergents/Emergents Equivalent Certain Coxe 2009
Maine Water-lily - macrophyte aquatic bed Broader   Gawler 2002
New York Freshwater Subtidal Aquatic Bed Broader Certain Edinger et al. 2002


Other Related Concepts
Related Concept Name: Vallisneria americana Herbaceous Vegetation
Relationship: = - Equivalent
Reference: Bowman, P. 2000. Draft classification for Delaware. Unpublished draft. Delaware Natural Heritage Program, Smyrna, DE.
Related Concept Name: Vallisneria americana community
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: Tape-grass shallow shore
Relationship: ? - Undetermined
Reference: CAP [Central Appalachian Forest Working Group]. 1998. Central Appalachian Working group discussions. The Nature Conservancy, Boston, MA.

Ecological Systems Placement

Ecological Systems Placement
Ecological System Unique ID Ecological System Name
CES201.594 Laurentian-Acadian Freshwater Marsh


NatureServe Conservation Status
Global Status: G5 (01Dec1997)
Rounded Global Status: G5 - Secure

Distribution
Color legend for Distribution Map
United States Distribution: CT, DE, MA, MD, ME, NH, NJ, NY, PA, RI, VT
Global Distribution: United States

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: Fundy Coastal and Interior Section
Section Code: 212C Occurrence Status: Confident or certain
Section Name: Northern Glaciated Allegheny Plateau Section
Section Code: 212F Occurrence Status: Confident or certain
Section Name: Northern Unglaciated Allegheny Plateau Section
Section Code: 212G 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: Southeastern Mixed Forest Province
Province Code: 231 Occurrence Status: Possible
Province Name: Outer Coastal Plain Mixed Forest Province
Province Code: 232 Occurrence Status: Predicted or probable
Division Name: Warm Continental Regime Mountains
Province Name: Adirondack-New England Mixed Forest - Coniferous Forest - Alpine Meadow Province
Province Code: M212 Occurrence Status: Confident or certain
Division Name: Hot Continental Regime Mountains
Province Name: Central Appalachian Broadleaf Forest - Coniferous Forest - Meadow Province
Province Code: M221 Occurrence Status: Confident or certain
Section Name: Northern Ridge and Valley Section
Section Code: M221A Occurrence Status: Confident or certain
Section Name: Allegheny Mountains Section
Section Code: M221B Occurrence Status: Possible
Section Name: Blue Ridge Mountains Section
Section Code: M221D Occurrence Status: Possible


Vegetation

Vegetation Summary: The vegetation is dominated by submerged or emergent plants with only minor floating-leaved components. Characteristic species may include Vallisneria americana, Potamogeton perfoliatus, Potamogeton epihydrus, Potamogeton nodosus, Heteranthera dubia, Heteranthera reniformis, Myriophyllum spp., Elodea canadensis, Utricularia spp., and Eriocaulon aquaticum.

Vegetation Composition (incomplete)
Species Name Rounded Global Status Growth Form Stratum Charact-
eristic
Dominant Constant
Cover Class %
Con-
stancy
%
Eriocaulon aquaticum G5 Flowering forb Herb (field)    
 
 
Heteranthera dubia G5 Aquatic herb Floating aquatic    
 
 
Heteranthera reniformis G5 Aquatic herb Floating aquatic    
 
 
Elodea canadensis G5 Aquatic herb Submerged aquatic    
 
 
Potamogeton epihydrus G5 Aquatic herb Submerged aquatic    
 
 
Potamogeton nodosus G5 Aquatic herb Submerged aquatic    
 
 
Potamogeton perfoliatus G5 Aquatic herb Submerged aquatic    
 
 
Vallisneria americana G5 Aquatic herb Submerged aquatic  
 
 


Environmental Setting

Wetland Indicator: Y
Environmental Summary: This aquatic vegetation of sheltered bays of the northeastern United States occurs on lakes and streams where it is not highly disturbed by wave action.


Dynamic Processes


Plot Sampling & Classification Analysis

Plots stored in VegBank


Authors/Contributors
Concept Author(s): Northern Appalachian Planning Team
Element Description Edition Date: 31Jul2014
Element Description Author(s): E. Largay

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


References
  • Bowman, P. 2000. Draft classification for Delaware. Unpublished draft. Delaware Natural Heritage Program, Smyrna, DE.

  • 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.

  • CAP [Central Appalachian Forest Working Group]. 1998. Central Appalachian Working group discussions. The Nature Conservancy, Boston, MA.

  • 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.

  • Gawler, S. C. 2002. Natural landscapes of Maine: A guide to vegetated natural communities and ecosystems. Maine Natural Areas Program, Department of Conservation, Augusta, ME.

  • Gawler, S. C., and A. Cutko. 2010. Natural landscapes of Maine: A classification of vegetated natural communities and ecosystems. Maine Natural Areas Program, Department of Conservation, Augusta.

  • 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.

  • Kunsman, J. 1994. A survey of the aquatic vascular plants of the upper Delaware River. Unpublished report to the National Park Service. Pennsylvania Science Office of The Nature Conservancy. Middletown, PA. 322 pp.

  • Lubinski, S., K. Hop, and S. Gawler. 2003. Vegetation Mapping Program: Acadia National Park, Maine. Report produced by U.S. Department of the Interior, U.S. Geological Survey, Upper Midwest Environmental Sciences Center, and Maine Natural Areas Program in conjunction with M. Story (NPS Vegetation Mapping Coordinator) NPS, Natural Resources Information Division, Inventory and Monitoring Program, and K. Brown (USGS Vegetation Mapping Coordinator), USGS, Center for Biological Informatics and NatureServe. [http://biology.usgs.gov/npsveg/ftp/vegmapping/acad/reports/acadrpt.pdf]

  • 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.

  • Sechler, F. C., G. J. Edinger, T. G. Howard, J. J. Schmid, E. Eastman, E. Largay, L. A. Sneddon, C. Lea, and J. Von Loh. 2014. Vegetation classification and mapping at Roosevelt-Vanderbilt National Historic Sites, New York. Natural Resource Technical Report NPS/NETN/NRTR--2014/873, National Park Service, Fort Collins, CO. 392 pp.


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