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085-FLSP-0021
» Citation URL: http://vegbank.org/cite/urn:lsid:cvs.bio.unc.edu:observation:16203-{D3D40A25-BF8B-46C5-A6B5-9B14F49148FA}
» Citing info
Plot ID Fields: 
Author Plot Code ? 085-FLSP-0021
Author Observation Code ? 085-FLSP-0021
Location Fields: MAP: Google | Yahoo | TopoZone | MapQuest
Location Accuracy ? 10 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 ? 4 m
Slope Aspect ? (n/a, flat) º
Slope Gradient ? 0 º
Topographic Position ? basin/depression
Landform ? interdune flat/interdune swale
Hydrologic Regime ? non-tidal - seasonally flooded
Soil Moisture Regime ? subhydric
Soil Drainage ? poorly drained
Methods Fields: 
Observation Start Date ? 19-Sep-2007
Observation End Date ? 19-Sep-2007
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 ? 25 m
Shrub Height ? 6 m
Field Height ? 1 m
Tree Cover ? 85 %
Shrub Cover ? 75 %
Field Cover ? 1 %
Nonvascular Cover ? 5 %
Misc Fields: 
Observation Narrative ? This plot is fairly typical of extensive seasonally flooded gum swamps occupying elongate, peat-filled swales between ancient dunes in the park. The habitat is flooded by 35-40 cm of water during much of the year but was completely dry at time of survey, which greatly facilitated survey and sampling. Large Nyssa biflora dominate the overstory, but relic knees indicate that Taxodium distichum was formerly associated. The understory is a dense complex of ericaceous shrubs (Lyonia ligustrina, Vaccinium fuscatum, Leucothoe racemosa), Smilax laurifolia, and occasional Arundinaria gigantea ssp. tecta. Carex joorii and a few other herbs grow on bases of Nyssa biflora.
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 Nyssa biflora Nyssa biflora **   Nyssa biflora **   Nyssa biflora **   Nyssa biflora **   Nyssa biflora **   Nyssa biflora **   Nyssa biflora **   Nyssa biflora **   -all-  
62.5 %
8      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
3.75 cm ± 1.25 cm     2 stem(s)
7.5 cm ± 2.5 cm     4 stem(s)
12.5 cm ± 2.5 cm     4 stem(s)
17.5 cm ± 2.5 cm     6 stem(s)
22.5 cm ± 2.5 cm     5 stem(s)
27.5 cm ± 2.5 cm     2 stem(s)
32.5 cm ± 2.5 cm     2 stem(s)
43.5 cm ± 0.5 cm     1 stem(s)
57.5 cm ± 0.5 cm     1 stem(s)
59.5 cm ± 0.5 cm     1 stem(s)
60.5 cm ± 0.5 cm     1 stem(s)
70.5 cm ± 0.5 cm     1 stem(s)
79.5 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 stem stem stem stem stem stem stem stem stem stem
2 Eubotrys racemosa Eubotrys racemosa **   Eubotrys racemosa **   Eubotrys racemosa **   Eubotrys racemosa **   Eubotrys racemosa **   Eubotrys racemosa **   Eubotrys racemosa **   Eubotrys racemosa **   -all-  
37.5 %
7      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
3.75 cm ± 1.25 cm     3 stem(s)
stem stem stem
3 Vaccinium fuscatum Vaccinium fuscatum **   Vaccinium fuscatum **   Vaccinium fuscatum **   Vaccinium fuscatum **   Vaccinium fuscatum **   Vaccinium fuscatum **   Vaccinium fuscatum **   Vaccinium fuscatum **   -all-  
37.5 %
7      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
3.75 cm ± 1.25 cm     12 stem(s)
7.5 cm ± 2.5 cm     4 stem(s)
stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem stem
4 Lyonia ligustrina var. ligustrina Lyonia ligustrina var. ligustrina **   Lyonia ligustrina var. ligustrina **   Lyonia ligustrina var. ligustrina **   Lyonia ligustrina var. ligustrina **   Lyonia ligustrina var. ligustrina **   Lyonia ligustrina var. ligustrina **   Lyonia ligustrina var. ligustrina **   Lyonia ligustrina var. ligustrina **   -all-  
17.5 %
6      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
3.75 cm ± 1.25 cm     10 stem(s)
7.5 cm ± 2.5 cm     1 stem(s)
stem stem stem stem stem stem stem stem stem stem stem
5 Acer rubrum Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   -all-  
7.5 %
5      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
7.5 cm ± 2.5 cm     1 stem(s)
12.5 cm ± 2.5 cm     3 stem(s)
stem stem stem stem
6 Magnolia virginiana Magnolia virginiana **   Magnolia virginiana **   Magnolia virginiana **   Magnolia virginiana **   Magnolia virginiana **   Magnolia virginiana **   Magnolia virginiana **   Magnolia virginiana **   -all-  
7.5 %
5      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
7.5 cm ± 2.5 cm     2 stem(s)
12.5 cm ± 2.5 cm     2 stem(s)
stem stem stem stem
7 Smilax walteri Smilax walteri **   Smilax walteri **   Smilax walteri **   Smilax walteri **   Smilax walteri **   Smilax walteri **   Smilax walteri **   Smilax walteri **   -all-  
1.5 %
3       -none-
8 Liquidambar styraciflua Liquidambar styraciflua **   Liquidambar styraciflua **   Liquidambar styraciflua **   Liquidambar styraciflua **   Liquidambar styraciflua **   Liquidambar styraciflua **   Liquidambar styraciflua **   Liquidambar styraciflua **   -all-  
1.5 %
3      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
3.75 cm ± 1.25 cm     1 stem(s)
stem
9 Arundinaria tecta Arundinaria tecta **   Arundinaria tecta **   Arundinaria tecta **   Arundinaria tecta **   Arundinaria tecta **   Arundinaria tecta **   Arundinaria tecta **   Arundinaria tecta **   -all-  
1.5 %
3       -none-
10 Persea palustris Persea palustris **   Persea palustris **   Persea palustris **   Persea palustris **   Persea palustris **   Persea palustris **   Persea palustris **   Persea palustris **   -all-  
1.5 %
3      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
7.5 cm ± 2.5 cm     1 stem(s)
stem
11 Itea virginica Itea virginica **   Itea virginica **   Itea virginica **   Itea virginica **   Itea virginica **   Itea virginica **   Itea virginica **   Itea virginica **   -all-  
1.5 %
3      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
3.75 cm ± 1.25 cm     1 stem(s)
stem
12 Smilax laurifolia Smilax laurifolia **   Smilax laurifolia **   Smilax laurifolia **   Smilax laurifolia **   Smilax laurifolia **   Smilax laurifolia **   Smilax laurifolia **   Smilax laurifolia **   -all-  
0.505 %
2       -none-
13 Bidens discoidea Bidens discoidea **   Bidens discoidea **   Bidens discoidea **   Bidens discoidea **   Bidens discoidea **   Bidens discoidea **   Bidens discoidea **   Bidens discoidea **   -all-  
0.505 %
2       -none-
14 Carex joorii Carex joorii **   Carex joorii **   Carex joorii **   Carex joorii **   Carex joorii **   Carex joorii **   Carex joorii **   Carex joorii **   -all-  
0.505 %
2       -none-
15 Clethra alnifolia Clethra alnifolia **   Clethra alnifolia **   Clethra alnifolia **   Clethra alnifolia **   Clethra alnifolia **   Clethra alnifolia **   Clethra alnifolia **   Clethra alnifolia **   -all-  
0.505 %
2       -none-
16 Mitchella repens Mitchella repens **   Mitchella repens **   Mitchella repens **   Mitchella repens **   Mitchella repens **   Mitchella repens **   Mitchella repens **   Mitchella repens **   -all-  
0.505 %
2       -none-
17 Toxicodendron radicans Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   -all-  
0.505 %
2       -none-
18 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      
DBH ?DBH err ?Ht. ?Ht. Err ?# ?
7.5 cm ± 2.5 cm     1 stem(s)
stem
19 Taxodium distichum Taxodium distichum **   Taxodium distichum **   Taxodium distichum **   Taxodium distichum **   Taxodium distichum **   Taxodium distichum **   Taxodium distichum **   Taxodium distichum **   -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 16-Feb-2011
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Taxodium distichum - Nyssa biflora / Berchemia scandens - Toxicodendron radicans / Woodwardia areolata 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                         0-1 cm: loose leaf litter 1+ cm: fibrous peat No mineral soil present; sample not collected.


Disturbance Data:
Disturbance Type ?Disturbance Intensity ?Disturbance Comment ?
unknown   May have been high-graded for baldcypress in the past; cypress knees, but no trees, in plot.


User Defined Values
No User Defined Data for this plot