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085-FCSP-0023
» Citation URL: http://vegbank.org/cite/urn:lsid:cvs.bio.unc.edu:observation:16450-{C0A98EDF-EACB-4AEB-BE3A-3812EBD9C703}
» Citing info
Plot ID Fields: 
Author Plot Code ? 085-FCSP-0023
Author Observation Code ? 085-FCSP-0023
Location Fields: MAP: Google | Yahoo | TopoZone | MapQuest
Location Accuracy ? 25 m
Confidentiality Status ? 100 km radius (nearest degree)
Latitude ? 37 º
Longitude ? -76 º
State or Province ? Virginia
Named Places
region|state|province: Virginia
Layout Fields: 
DSG Polygon ? 13.33 x 30 m
Area ? 400
Permanence ? not permanent
Environment Fields: 
Elevation ? 1 m
Slope Aspect ? (n/a, flat) º
Slope Gradient ? 0 º
Topographic Position ? plain/level/bottom
Landform ? seep/swale/non-alluvial bottom
Hydrologic Regime ? non-tidal - seasonally flooded
Soil Moisture Regime ? subhydric
Soil Drainage ? very poorly drained
Methods Fields: 
Observation Start Date ? 30-Sep-2008
Observation End Date ? 30-Sep-2008
Project ? Virginia Heritage
Cover Method ? Carolina Vegetation Survey
Stratum Method ? No Strata
Stem Size Limit ? 2.5 cm
Method Narrative ? releve Virginia Division of Natural Heritage, see http://www.dcr.virginia.gov/natural_heritage/documents/nh_plotform_instructions.pdf
Overall Taxon Cover Values are Automatically Calculated? ? no
Stem Observation Area ? 400
Plot Quality Fields: 
Plot Validation Level ? (2) classification plot: sufficient for inclusion in a classification revision
Overall Plot Vegetation Fields: 
Tree Height ? 20 m
Shrub Height ? 6 m
Field Height ? 2 m
Tree Cover ? 50 %
Shrub Cover ? 40 %
Field Cover ? 80 %
Misc Fields: 
Observation Narrative ? Open-canopy red maple swamp at back edge of False Cape dunes, in a zone that is transitional to wind-tidal vegetation along the margin of Back Bay. Hydrology of the sample site is somewhat ambiguous; it appears to be seasonally flooded with groundwater, but also subject to occasional surges from exceptionally high wind tides. The understory and herbaceous vegatation are very thick and relatively diverse for a martime swamp. Phragmites australis is abundant in the adjacent wind-tidal shrublands and marshes, and appears to be invading part of the swamp forest.
Taxa occurring on this plot-observation
Change plant label:
Change Strata Shown:
ord Author Plant Name ?Original Interpretation, full Scientific Name ?Original Interpretation, Scientific Name without authors ?Original Interpretation, Common Name ?Original Interpretation, USDA Code ?Current Interpretation, full Scientific Name ?Current Interpretation, Scientific Name without authors ?Current Interpretation, Common Name ?Current Interpretation, USDA Code ? Stratum ?Cover ?Original Cover Code ?Basal Area ?Biomass ?Inference Area ? Stems: Stem Diameters (graphically):
1 Acer rubrum Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   -all-  
62.5 %
8      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
7.5 cm ± 2.5 cm     3 stem(s)
12.5 cm ± 2.5 cm     3 stem(s)
17.5 cm ± 2.5 cm     3 stem(s)
22.5 cm ± 2.5 cm     6 stem(s)
27.5 cm ± 2.5 cm     4 stem(s)
32.5 cm ± 2.5 cm     1 stem(s)
44.5 cm ± 0.5 cm     1 stem(s)
stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem
2 Leersia virginica Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   -all-  
37.5 %
7       -none-
3 Leersia oryzoides Leersia oryzoides **   Leersia oryzoides **   Leersia oryzoides **   Leersia oryzoides **   Leersia oryzoides **   Leersia oryzoides **   Leersia oryzoides **   Leersia oryzoides **   -all-  
17.5 %
6       -none-
4 Morella cerifera Morella cerifera **   Morella cerifera **   Morella cerifera **   Morella cerifera **   Morella cerifera **   Morella cerifera **   Morella cerifera **   Morella cerifera **   -all-  
17.5 %
6      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
3.75 cm ± 1.25 cm     14 stem(s)
7.5 cm ± 2.5 cm     7 stem(s)
stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem
5 Centella erecta Centella erecta **   Centella erecta **   Centella erecta **   Centella erecta **   Centella erecta **   Centella erecta **   Centella erecta **   Centella erecta **   -all-  
7.5 %
5       -none-
6 Pinus taeda Pinus taeda **   Pinus taeda **   Pinus taeda **   Pinus taeda **   Pinus taeda **   Pinus taeda **   Pinus taeda **   Pinus taeda **   -all-  
7.5 %
5      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
3.75 cm ± 1.25 cm     10 stem(s)
7.5 cm ± 2.5 cm     13 stem(s)
stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem
7 Smilax rotundifolia Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   -all-  
7.5 %
5       -none-
8 Juncus effusus var. solutus Juncus effusus var. solutus **   Juncus effusus var. solutus **   Juncus effusus var. solutus **   Juncus effusus var. solutus **   Juncus effusus var. solutus **   Juncus effusus var. solutus **   Juncus effusus var. solutus **   Juncus effusus var. solutus **   -all-  
3.5 %
4       -none-
9 Vitis rotundifolia var. rotundifolia Vitis rotundifolia var. rotundifolia **   Vitis rotundifolia var. rotundifolia **   Vitis rotundifolia var. rotundifolia **   Vitis rotundifolia var. rotundifolia **   Vitis rotundifolia var. rotundifolia **   Vitis rotundifolia var. rotundifolia **   Vitis rotundifolia var. rotundifolia **   Vitis rotundifolia var. rotundifolia **   -all-  
3.5 %
4      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
3.75 cm ± 1.25 cm     2 stem(s)
stem stem
10 Liquidambar styraciflua Liquidambar styraciflua **   Liquidambar styraciflua **   Liquidambar styraciflua **   Liquidambar styraciflua **   Liquidambar styraciflua **   Liquidambar styraciflua **   Liquidambar styraciflua **   Liquidambar styraciflua **   -all-  
3.5 %
4      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
3.75 cm ± 1.25 cm     3 stem(s)
7.5 cm ± 2.5 cm     1 stem(s)
stem stem stem stem
11 Vaccinium fuscatum Vaccinium fuscatum **   Vaccinium fuscatum **   Vaccinium fuscatum **   Vaccinium fuscatum **   Vaccinium fuscatum **   Vaccinium fuscatum **   Vaccinium fuscatum **   Vaccinium fuscatum **   -all-  
3.5 %
4      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
3.75 cm ± 1.25 cm     1 stem(s)
stem
12 Phragmites australis ssp. australis Phragmites australis ssp. australis **   Phragmites australis ssp. australis **   Phragmites australis ssp. australis **   Phragmites australis ssp. australis **   Phragmites australis ssp. australis **   Phragmites australis ssp. australis **   Phragmites australis ssp. australis **   Phragmites australis ssp. australis **   -all-  
1.5 %
3       -none-
13 Thelypteris palustris var. pubescens Thelypteris palustris var. pubescens **   Thelypteris palustris var. pubescens **   Thelypteris palustris var. pubescens **   Thelypteris palustris var. pubescens **   Thelypteris palustris var. pubescens **   Thelypteris palustris var. pubescens **   Thelypteris palustris var. pubescens **   Thelypteris palustris var. pubescens **   -all-  
1.5 %
3       -none-
14 Sacciolepis striata Sacciolepis striata **   Sacciolepis striata **   Sacciolepis striata **   Sacciolepis striata **   Sacciolepis striata **   Sacciolepis striata **   Sacciolepis striata **   Sacciolepis striata **   -all-  
1.5 %
3       -none-
15 Chasmanthium laxum Chasmanthium laxum **   Chasmanthium laxum **   Chasmanthium laxum **   Chasmanthium laxum **   Chasmanthium laxum **   Chasmanthium laxum **   Chasmanthium laxum **   Chasmanthium laxum **   -all-  
0.505 %
2       -none-
16 Hypericum hypericoides Hypericum hypericoides **   Hypericum hypericoides **   Hypericum hypericoides **   Hypericum hypericoides **   Hypericum hypericoides **   Hypericum hypericoides **   Hypericum hypericoides **   Hypericum hypericoides **   -all-  
0.505 %
2       -none-
17 Dichanthelium ovale var. addisonii Dichanthelium ovale var. addisonii **   Dichanthelium ovale var. addisonii **   Dichanthelium ovale var. addisonii **   Dichanthelium ovale var. addisonii **   Dichanthelium ovale var. addisonii **   Dichanthelium ovale var. addisonii **   Dichanthelium ovale var. addisonii **   Dichanthelium ovale var. addisonii **   -all-  
0.505 %
2       -none-
18 Persea palustris Persea palustris **   Persea palustris **   Persea palustris **   Persea palustris **   Persea palustris **   Persea palustris **   Persea palustris **   Persea palustris **   -all-  
0.505 %
2       -none-
19 Rubus pensilvanicus Rubus pensilvanicus **   Rubus pensilvanicus **   Rubus pensilvanicus **   Rubus pensilvanicus **   Rubus pensilvanicus **   Rubus pensilvanicus **   Rubus pensilvanicus **   Rubus pensilvanicus **   -all-  
0.505 %
2       -none-
20 Mikania scandens Mikania scandens **   Mikania scandens **   Mikania scandens **   Mikania scandens **   Mikania scandens **   Mikania scandens **   Mikania scandens **   Mikania scandens **   -all-  
0.505 %
2       -none-
21 Coleataenia rigidula ssp. condensa Coleataenia rigidula ssp. condensa **   Coleataenia rigidula ssp. condensa **   Coleataenia rigidula ssp. condensa **   Coleataenia rigidula ssp. condensa **   Coleataenia rigidula ssp. condensa **   Coleataenia rigidula ssp. condensa **   Coleataenia rigidula ssp. condensa **   Coleataenia rigidula ssp. condensa **   -all-  
0.505 %
2       -none-
22 Woodwardia virginica Woodwardia virginica **   Woodwardia virginica **   Woodwardia virginica **   Woodwardia virginica **   Woodwardia virginica **   Woodwardia virginica **   Woodwardia virginica **   Woodwardia virginica **   -all-  
0.505 %
2       -none-
23 Dichanthelium scoparium Dichanthelium scoparium **   Dichanthelium scoparium **   Dichanthelium scoparium **   Dichanthelium scoparium **   Dichanthelium scoparium **   Dichanthelium scoparium **   Dichanthelium scoparium **   Dichanthelium scoparium **   -all-  
0.505 %
2       -none-
24 Nyssa sylvatica Nyssa sylvatica **   Nyssa sylvatica **   Nyssa sylvatica **   Nyssa sylvatica **   Nyssa sylvatica **   Nyssa sylvatica **   Nyssa sylvatica **   Nyssa sylvatica **   -all-  
0.505 %
2       -none-
25 Andropogon virginicus var. virginicus Andropogon virginicus var. virginicus **   Andropogon virginicus var. virginicus **   Andropogon virginicus var. virginicus **   Andropogon virginicus var. virginicus **   Andropogon virginicus var. virginicus **   Andropogon virginicus var. virginicus **   Andropogon virginicus var. virginicus **   Andropogon virginicus var. virginicus **   -all-  
0.505 %
2       -none-
26 Saccharum giganteum Saccharum giganteum **   Saccharum giganteum **   Saccharum giganteum **   Saccharum giganteum **   Saccharum giganteum **   Saccharum giganteum **   Saccharum giganteum **   Saccharum giganteum **   -all-  
0.505 %
2       -none-
27 Sagittaria lancifolia var. media Sagittaria lancifolia var. media **   Sagittaria lancifolia var. media **   Sagittaria lancifolia var. media **   Sagittaria lancifolia var. media **   Sagittaria lancifolia var. media **   Sagittaria lancifolia var. media **   Sagittaria lancifolia var. media **   Sagittaria lancifolia var. media **   -all-  
0.505 %
2       -none-
28 Hydrocotyle verticillata Hydrocotyle verticillata **   Hydrocotyle verticillata **   Hydrocotyle verticillata **   Hydrocotyle verticillata **   Hydrocotyle verticillata **   Hydrocotyle verticillata **   Hydrocotyle verticillata **   Hydrocotyle verticillata **   -all-  
0.505 %
2       -none-
29 Microstegium vimineum Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   -all-  
0.505 %
2       -none-
30 Rosa palustris Rosa palustris **   Rosa palustris **   Rosa palustris **   Rosa palustris **   Rosa palustris **   Rosa palustris **   Rosa palustris **   Rosa palustris **   -all-  
0.505 %
2       -none-
31 Ilex opaca var. opaca Ilex opaca var. opaca **   Ilex opaca var. opaca **   Ilex opaca var. opaca **   Ilex opaca var. opaca **   Ilex opaca var. opaca **   Ilex opaca var. opaca **   Ilex opaca var. opaca **   Ilex opaca var. opaca **   -all-  
0.505 %
2       -none-
32 Galium obtusum ssp. obtusum Galium obtusum ssp. obtusum **   Galium obtusum ssp. obtusum **   Galium obtusum ssp. obtusum **   Galium obtusum ssp. obtusum **   Galium obtusum ssp. obtusum **   Galium obtusum ssp. obtusum **   Galium obtusum ssp. obtusum **   Galium obtusum ssp. obtusum **   -all-  
0.05 %
1       -none-
33 Toxicodendron radicans Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   -all-  
0.05 %
1       -none-
34 Carex alata Carex alata **   Carex alata **   Carex alata **   Carex alata **   Carex alata **   Carex alata **   Carex alata **   Carex alata **   -all-  
0.05 %
1       -none-
35 Diodia virginiana Diodia virginiana **   Diodia virginiana **   Diodia virginiana **   Diodia virginiana **   Diodia virginiana **   Diodia virginiana **   Diodia virginiana **   Diodia virginiana **   -all-  
0.05 %
1       -none-
36 Cinna arundinacea Cinna arundinacea **   Cinna arundinacea **   Cinna arundinacea **   Cinna arundinacea **   Cinna arundinacea **   Cinna arundinacea **   Cinna arundinacea **   Cinna arundinacea **   -all-  
0.05 %
1       -none-
This table is SORTABLE. Click the headers to sort ascending and descending.

Stratum Definitions:
Sorry, no Stratum Definitions found.
This table is SORTABLE. Click the headers to sort ascending and descending.
Observation Contributors:
Party ?Role ?
Patterson, Karen Field assistant
Fleming, Gary Author
Community Classification:
More Classification Start Date ? Community AssignmentsContributors
Details 19-Apr-2010
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Acer rubrum - Nyssa biflora - (Liquidambar styraciflua, Fraxinus sp.) Maritime Swamp Forest 5 High   no
No Class Contributors.


Soil Observations:
Soil Horizon ?Soil Depth Top ?Soil Depth Bottom ?Soil Color ?Soil Organic ?Soil Texture ?Soil Sand ?Soil Silt ?Soil Clay ?Soil Coarse ?Soil PH ?Exchange Capacity ?Base Saturation ?Soil Description ?
unknown                         0-25 cm: fibric peat 25+ cm: white sand sample not collected


Disturbance Data:
Disturbance Type ?Disturbance Intensity ?Disturbance Comment ?
unknown   Two exotic species (Phragmites australis, Microstegium vimineum) present in small numbers; Phragmites is abundant in adjacent marsh and may be increasing in the swamp forest. Extensive ground disturbance by feral hogs near plot.


User Defined Values
No User Defined Data for this plot