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Decodon verticillatus Shrub Swamp
Translated Name: Swamp-loosestrife Shrub Swamp
Common Name: Swamp-loosestrife Shrub Swamp
Unique Identifier: CEGL005089
Classification Approach: International Vegetation Classification (IVC)
Summary: This shrub border occurs as a fringe along aquatic edges of lakes and streams in the northeastern states. Decodon verticillatus forms a dense, often monotypic, tangle. Cephalanthus occidentalis can occur, but with less abundance than Decodon verticillatus. Herbaceous species vary widely, but may include Nuphar variegata, Nymphaea odorata, Peltandra virginica, Pontederia cordata, Utricularia spp., and Potamogeton spp. Where Decodon-dominated vegetation occurs adjacent to bog mats, it is considered a part of Chamaedaphne calyculata - (Gaylussacia dumosa) - Decodon verticillatus / Woodwardia virginica Acidic Peatland (CEGL006008).



Classification

Classification Confidence: Low - Poorly Documented

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.Nd - Eastern North American Temperate & Boreal Freshwater Marsh, Wet Meadow & Shrubland
Macrogroup Eastern North American Marsh, Wet Meadow & Shrubland
Group Appalachian-Northeast Wet Meadow & Shrub Swamp
Alliance Buttonbush - Swamp-loosestrife Shrub Swamp

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These data are subject to substantial ongoing revision and may be out of date for some states.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 Swamp-loosestrife Shrub Swamp Equivalent Certain Coxe 2009
Massachusetts Acidic Shrub Fen Intersects   Swain and Kearsley 2001
Massachusetts Shrub Swamp Broader   Swain and Kearsley 2001
New York Shrub swamp Broader   Edinger et al. 2002
Pennsylvania Water-willow (Decodon verticillatus) Shrub Wetland Equivalent   Fike 1999


Other Related Concepts
Related Concept Name: Decodon verticillatus semipermanently flooded shrublands
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.

Ecological Systems Placement

Ecological Systems Placement
Ecological System Unique ID Ecological System Name
CES203.070 Northern Atlantic Coastal Plain Riparian and Floodplain
CES203.516 Northern Atlantic Coastal Plain Fresh and Oligohaline Tidal Marsh
CES203.518 Northern Atlantic Coastal Plain Pond


NatureServe Conservation Status
Global Status: GNR (15Dec1994)
Rounded Global Status: GNR - Not Yet Ranked

Distribution
Color legend for Distribution Map
United States Distribution: CT, DE, MA, MD, NH, NJ, NY, PA, WVpotentially occurs
Canadian Province Distribution: ON, QCpotentially occurs
Global Distribution: Canada, 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: Northern Glaciated Allegheny Plateau Section
Section Code: 212F 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: Southern Unglaciated Allegheny Plateau Section
Section Code: 221E Occurrence Status: Confident or certain
Section Name: Western Unglaciated Allegheny Plateau Section
Section Code: 221F 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
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: Blue Ridge Mountains Section
Section Code: M221D Occurrence Status: Confident or certain


Vegetation

Vegetation Summary: Decodon verticillatus forms a dense, often monotypic, tangle. Cephalanthus occidentalis can occur, but with less abundance than Decodon verticillatus. Herbaceous species vary widely, but may include Nuphar variegata (= Nuphar lutea ssp. variegata), Nymphaea odorata, Peltandra virginica, Pontederia cordata, Utricularia spp., and Potamogeton spp.

Vegetation Composition (incomplete)
Species Name Rounded Global Status Growth Form Stratum Charact-
eristic
Dominant Constant
Cover Class %
Con-
stancy
%
Decodon verticillatus GNR Broad-leaved deciduous shrub Short shrub/sapling  
 
 


Environmental Setting

Wetland Indicator: Y
Environmental Summary: Vegetation forms as a fringe along aquatic edges of lakes and streams.


Dynamic Processes


Plot Sampling & Classification Analysis

Plots stored in VegBank


Authors/Contributors
Concept Author(s): Western Allegheny Plateau Planning Team
Element Description Edition Date: 09May2007
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
  • 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.

  • CDPNQ [Centre de données sur le patrimoine naturel du Québec]. No date. Unpublished data. Centre de données sur le patrimoine naturel du Québec, Québec.

  • 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.

  • Eichelberger, B. 2011m. Pennsylvania Natural Heritage Program. Water-willow (Decodon verticillatus) Shrub Wetland Factsheet. [http://www.naturalheritage.state.pa.us/Community.aspx?=16046] (accessed February 01, 2012)

  • Fike, J. 1999. Terrestrial and palustrine plant communities of Pennsylvania. Pennsylvania Natural Diversity Inventory. Pennsylvania Department of Conservation and Recreation, Bureau of Forestry, Harrisburg, PA. 86 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.

  • Lee, H., W. Bakowsky, J. Riley, J. Bowles, M. Puddister, P. Uhlig, and S. McMurray. 1998. Ecological land classification for southern Ontario: First approximation and its application. Ontario Ministry of Natural Resources, Southcentral Science Section, Science Development and Transfer Branch. SCSS Field Guide FG-02.

  • 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.

  • NatureServe. 2009. Vegetation of the E.B. Forsythe National Wildlife Refuge. International Ecological Classification Standard: Terrestrial Ecological Classifications. NatureServe Central Databases. Arlington, VA. U.S.A. Data current as of 1 December 2009.

  • ONHIC [Ontario Natural Heritage Information Centre]. 2018. Unpublished data. Ontario Natural Heritage Information Centre, Ministry of Natural Resources, Ontario, Canada.

  • Sneddon, L. A., Zaremba, R. E., and M. Adams. 2010. Vegetation classification and mapping at Cape Cod National Seashore, Massachusetts. Natural Resources Technical Report NPS/NER/NRTR--2010/147. National Park Service, Philadelphia, PA. 481 pp. [http://biology.usgs.gov/npsveg/caco/cacorpt.pdf]

  • 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]

  • Zimmerman, E. A., T. Davis, M. A. Furedi, B. Eichelberger, J. McPherson, S. Seymour, G. Podniesinski, N. Dewar, and J. Wagner, editors. 2012. Terrestrial and palustrine plant communities of Pennsylvania. Pennsylvania Natural Heritage Program, Pennsylvania Department of Conservation and Natural Resources, Harrisburg. [http://www.naturalheritage.state.pa.us/Communities.aspx]


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