Print Report
CEGL006579 Justicia americana - Peltandra virginica Tidal Marsh
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: American Water-willow - Green Arrow-arum Tidal Marsh
Colloquial Name: Water-willow Tidal Marsh
Hierarchy Level: Association
Type Concept: This oligohaline tidal marsh occurs as a small-patch community on tidal rivers. It is currently documented from the Pamunkey River in Virginia and is reported to occur in Maryland. Justicia americana is the dominant species. Other associates include Impatiens capensis and Polygonum punctatum; Peltandra virginica is present at high cover at one site. The exotic species Murdannia keisak is present at low cover. Other associates may include Acorus calamus, Juncus scirpoides, and Eriocaulon parkeri.
Diagnostic Characteristics: No Data Available
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: No Data Available
Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: No Data Available
Floristics: Justicia americana is the dominant species, although species composition is variable. Other commonly associated species include Peltandra virginica and Polygonum punctatum.
Dynamics: No Data Available
Environmental Description: This low intertidal marsh forms narrow, localized patches on sandy, gravelly and clayey mudflats and tidal bars on the upper reaches of tidal rivers.
Geographic Range: This vegetation occurs on tidal rivers of Virginia and Maryland; its potential occurrence in Delaware and New Jersey has not been evaluated.
Nations: US
States/Provinces: DE?, MD, NJ?, VA
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.802185
Confidence Level: Low
Confidence Level Comments: No Data Available
Grank: GNR
Greasons: No Data Available
| Type | Name | Database Code | Classification Code |
|---|---|---|---|
| Class | 2 Shrub & Herb Vegetation Class | C02 | 2 |
| Subclass | 2.C Shrub & Herb Wetland Subclass | S44 | 2.C |
| Formation | 2.C.4 Temperate to Polar Freshwater Marsh, Wet Meadow & Shrubland Formation | F013 | 2.C.4 |
| Division | 2.C.4.Ne Atlantic & Gulf Coastal Marsh, Wet Meadow & Shrubland Division | D322 | 2.C.4.Ne |
| Macrogroup | 2.C.4.Ne.1 Annual Wild Rice - Saltmeadow Cordgrass - Pickerelweed Fresh-Oligohaline Tidal Marsh Macrogroup | M066 | 2.C.4.Ne.1 |
| Group | 2.C.4.Ne.1.c <i>Zizania aquatica - Spartina patens - Amaranthus cannabinus</i> Freshwater Tidal Marsh Group | G914 | 2.C.4.Ne.1.c |
| Alliance | A4017 Green Arrow-arum - Pickerelweed - Arrowhead species Oligohaline Tidal Marsh Alliance | A4017 | 2.C.4.Ne.1.c |
| Association | CEGL006579 American Water-willow - Green Arrow-arum Tidal Marsh | CEGL006579 | 2.C.4.Ne.1.c |
Concept Lineage: Upgraded to Standard during screening.
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: = Justicia americana - Peltandra virginica Herbaceous Vegetation [Provisional] (Harrison 2004)
= Justicia americana Herbaceous Vegetation (Coulling 2002)
= Justicia americana Tidal Freshwater Marsh (Walton et al. 2001)
= Justicia americana Herbaceous Vegetation (Coulling 2002)
= Justicia americana Tidal Freshwater Marsh (Walton et al. 2001)
- Coulling, P. P. 2002. A preliminary classification of tidal marsh, shrub swamp, and hardwood swamp vegetation and assorted non-tidal, chiefly non-maritime, herbaceous wetland communities of the Virginia Coastal Plain. October 2002. Virginia Department of Conservation and Recreation, Division of Natural Heritage. Natural Heritage Technical Report 02-18. 30 pp.
- Eastern Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Boston, MA.
- Fleming, G. P. 2002b. Preliminary classification of Piedmont & Inner Coastal Plain vegetation types in Virginia. Natural Heritage Technical Report 02-14. Virginia Department of Conservation and Recreation, Division of Natural Heritage, Richmond. 29 pp.
- Fleming, G. P., K. D. Patterson, and K. Taverna. 2017. The natural communities of Virginia: A classification of ecological community groups and community types. Third approximation. Version 3.0. Virginia Department of Conservation and Recreation, Division of Natural Heritage, Richmond, VA. [http://www.dcr.virginia.gov/natural-heritage/natural-communities/]
- Fleming, G. P., K. Taverna, and P. P. Coulling. 2007b. Vegetation classification for the National Capitol Region parks, eastern region. Regional (VA-MD-DC) analysis prepared for NatureServe and USGS-NPS Vegetation Mapping Program, March 2007. Virginia Department of Conservation and Recreation, Division of Natural Heritage, Richmond.
- 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.
- Walton, D. P., P. P. Coulling, J. Weber, A. Belden, Jr., and A. C. Chazal. 2001. A plant community classification and natural heritage inventory of the Pamunkey River floodplain. Unpublished report submitted to the U.S. Environmental Protection Agency. Natural Heritage Technical Report 01-19. Virginia Department of Conservation and Recreation, Division of Natural Heritage, Richmond. 200 pp. plus appendices.