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Leersia oryzoides - Glyceria striata - (Schoenoplectus spp., Impatiens capensis) Wet Meadow
Translated Name: Rice Cutgrass - Fowl Mannagrass - (Bulrush species, Orange Jewelweed) Wet Meadow
Common Name: Rice Cutgrass - Fowl Mannagrass Wet Meadow
Unique Identifier: CEGL005106
Classification Approach: International Vegetation Classification (IVC)
Summary: This herbaceous association is found in New York, Delaware, Ontario and Quebec. It is currently only described from Saratoga National Historical Park in New York, and the following description is based on occurrences there. Additional information will be added as it becomes available. This permanently inundated community occurs on floodplains with soils that are moderately well-drained to very poorly drained silt loam. Underlying bedrock is shale, siltstone, and sandstone in the Austin Glen, Mt. Merino, and Canajoharie formations. The vegetation of this herbaceous association is dominated by Leersia oryzoides with Scirpus atrovirens and Impatiens capensis occurring as fairly consistent associates. Additional associated species are Typha latifolia, Onoclea sensibilis, Verbena hastata, Mimulus ringens, Eutrochium maculatum, Thelypteris palustris, Polygonum sagittatum, Bidens connata, Eupatorium perfoliatum, Polygonum hydropiperoides, and Juncus effusus. Scattered tall shrubs (just over 2 m tall) can also be present; Rhamnus cathartica is the most abundant species.



Classification

Classification Confidence: Low
Classification Comments: Type concept is taken from the southern Ontario list of vegetation types by Lee et al. (1998) and needs rangewide review.

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 Appalachian-Northeast Graminoid Wet Meadow

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These data are subject to substantial ongoing revision and may be out of date for some states.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 Piedmont Headwater Wetland Equivalent Certain Coxe 2009
New York Shallow emergent marsh Broader Certain Edinger et al. 2002


Other Related Concepts
Related Concept Name: Fowl Manna Grass Mineral Meadow Marsh Type
Relationship: F - Finer
Reference: 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.
Related Concept Name: Fowl Manna Grass Organic Meadow Marsh Type
Relationship: F - Finer
Reference: 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.
Related Concept Name: Red-top Bedrock Meadow Marsh Type
Relationship: F - Finer
Reference: 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.
Related Concept Name: Red-top Mineral Meadow Marsh Type
Relationship: F - Finer
Reference: 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.
Related Concept Name: Rice Cut-grass Mineral Shallow Marsh Type
Relationship: F - Finer
Reference: 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.
Related Concept Name: Rice Cut-grass Organic Meadow Marsh Type
Relationship: F - Finer
Reference: 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.
Related Concept Name: Rice Cut-grass Organic Shallow Marsh Type
Relationship: F - Finer
Reference: 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.

Ecological Systems Placement

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

Distribution
Color legend for Distribution Map
United States Distribution: DE, NJ, NY
Canadian Province Distribution: ON, QC
Global Distribution: Canada, United States

U.S. Forest Service Ecoregions
Domain Name: Humid Temperate Domain
Division Name: Hot Continental Division
Province Name: Eastern Broadleaf Forest (Oceanic) Province
Province Code: 221 Occurrence Status: Confident or certain
Section Name: Hudson Valley Section
Section Code: 221B Occurrence Status: Confident or certain


Vegetation

Vegetation Summary: The vegetation of this herbaceous association is dominated by Leersia oryzoides with Scirpus atrovirens and Impatiens capensis occurring as fairly consistent associates. Additional associated species are Typha latifolia, Onoclea sensibilis, Verbena hastata, Mimulus ringens, Eutrochium maculatum, Thelypteris palustris, Polygonum sagittatum (= Persicaria sagittata), Bidens connata, Eupatorium perfoliatum, Polygonum hydropiperoides (= Persicaria hydropiperoides), and Juncus effusus. Scattered tall shrubs (just over 2 m tall) can also be present; Rhamnus cathartica is the most abundant species.

Vegetation Composition (incomplete)
Species Name Rounded Global Status Growth Form Stratum Charact-
eristic
Dominant Constant
Cover Class %
Con-
stancy
%
Rhamnus cathartica GNR Broad-leaved deciduous shrub Tall shrub/sapling    
 
 
Impatiens capensis GNR Flowering forb Herb (field)    
 
 
Onoclea sensibilis GNR Fern (Spore-bearing forb) Herb (field)    
 
 
Leersia oryzoides GNR Graminoid Herb (field)  
 
 
Scirpus atrovirens GNR Graminoid Herb (field)  
 
 
Typha latifolia GNR Graminoid Herb (field)    
 
 


Environmental Setting

Wetland Indicator: Y
Environmental Summary: This permanently inundated community occurs on floodplains with soils that are moderately well-drained to very poorly drained silt loam. Underlying bedrock is shale, siltstone, and sandstone in the Austin Glen, Mt. Merino, and Canajoharie formations.


Dynamic Processes


Plot Sampling & Classification Analysis

Plots stored in VegBank


Authors/Contributors
Concept Author(s): Lee et al. (1998)
Element Description Edition Date: 06May2010
Element Description Author(s): G.J. Edinger and A.L. Feldmann

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


References
  • 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.

  • Edinger, G. J., A. L. Feldmann, T. G. Howard, J. J. Schmid, F. C. Sechler, E. Eastman, E. Largay, L. A. Sneddon, C. Lea, and J. Von Loh. 2014b. Vegetation inventory: Saratoga National Historical Park, New York. Natural Resource Technical Report NPS/NETN/NRTR--2014/869, National Park Service, Fort Collins, CO.

  • 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.

  • 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.

  • Midwestern Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Minneapolis, MN.

  • NRCS [Natural Resources Conservation Service]. 2004a. Soil survey of Saratoga County, New York. USDA Natural Resources Conservation Service. 590 pp.

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


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