085-YRSP-0008
» Citation URL: http://vegbank.org/cite/urn:lsid:cvs.bio.unc.edu:observation:16115-{B2175D57-D21F-4E14-8880-2B37132B7FDB} » Citing info
Plot ID Fields:
Author Plot Code	085-YRSP-0008
Author Observation Code	085-YRSP-0008
Location Fields:	MAP: Google | Yahoo | TopoZone | MapQuest
Location Accuracy	25 m
Confidentiality Status	100 km radius (nearest degree)
Latitude	37 º
Longitude	-77 º
State or Province	Virginia
Named Places	county: James City region|state|province: Virginia
Layout Fields:
DSG Polygon	16 x 25 m
Area	400 m²
Permanence	not permanent
Environment Fields:
Elevation	10 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 - permanently flooded
Soil Moisture Regime	hygric
Soil Drainage	very poorly drained
Methods Fields:
Observation Start Date	09-Aug-2006
Observation End Date	09-Aug-2006
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 m²
Plot Quality Fields:
Plot Validation Level	(2) classification plot: sufficient for inclusion in a classification revision
Overall Plot Vegetation Fields:
Tree Height	30 m
Shrub Height	6 m
Field Height	1 m
Tree Cover	60 %
Shrub Cover	30 %
Field Cover	90 %
Nonvascular Cover	2 %
Misc Fields:
Observation Narrative	This is a large, outstanding, and very wet example of a Coastal Plain seepage swamp with calcareous soils. Fraxinus pennsylvanica and Nyssa biflora dominate the overstory, while the understory is patchy and quite open. Unlike similar plots from this area (e.g., YRSP005, YRSP006), this sample does not have extensive hummocks; thus characteristic hummock species such as Carex bromoides ssp. bromoides and Packera aurea, which require better drainage, occur only at low cover. The herb layer is heavily patch-dominated by species of mucky hollows, i.e., Bidens laevis, Pilea fontana, and Saururus cernuus.

Taxa occurring on this plot-observation
Change plant label: --Choose a value-- Author's plant name Original Interpretation, full Scientific Name Original Interpretation, Scientific Name without authors Original Interpretation, USDA Code Original Interpretation, Common Name Current Interpretation, full Scientific Name Current Interpretation, Scientific Name without authors Current Interpretation, USDA Code Current Interpretation, Common Name
Change Strata Shown: --choose one-- show strata (no strata on this plot) show overall cover show strata + overall
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 Pilea fontana Pilea fontana **   Pilea fontana **   Pilea fontana **   Pilea fontana **   Pilea fontana **   Pilea fontana **   Pilea fontana **   Pilea fontana **   -all-   37.5 % 7       -none- 2 Saururus cernuus Saururus cernuus **   Saururus cernuus **   Saururus cernuus **   Saururus cernuus **   Saururus cernuus **   Saururus cernuus **   Saururus cernuus **   Saururus cernuus **   -all-   37.5 % 7       -none- 3 Nyssa biflora Nyssa biflora **   Nyssa biflora **   Nyssa biflora **   Nyssa biflora **   Nyssa biflora **   Nyssa biflora **   Nyssa biflora **   Nyssa biflora **   -all-   37.5 % 7       DBH DBH err Ht. Ht. Err # 12.5 cm ± 2.5 cm     1 stem(s) 27.5 cm ± 2.5 cm     2 stem(s) 32.5 cm ± 2.5 cm     5 stem(s) 37.5 cm ± 2.5 cm     1 stem(s) 4 Bidens laevis Bidens laevis **   Bidens laevis **   Bidens laevis **   Bidens laevis **   Bidens laevis **   Bidens laevis **   Bidens laevis **   Bidens laevis **   -all-   37.5 % 7       -none- 5 Fraxinus pennsylvanica Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   -all-   37.5 % 7       DBH DBH err Ht. Ht. Err # 17.5 cm ± 2.5 cm     1 stem(s) 22.5 cm ± 2.5 cm     3 stem(s) 27.5 cm ± 2.5 cm     1 stem(s) 32.5 cm ± 2.5 cm     2 stem(s) 44.5 cm ± 0.5 cm     1 stem(s) 51.5 cm ± 0.5 cm     1 stem(s) 6 Leersia virginica Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   -all-   17.5 % 6       -none- 7 Cornus stricta Cornus stricta **   Cornus stricta **   Cornus stricta **   Cornus stricta **   Cornus stricta **   Cornus stricta **   Cornus stricta **   Cornus stricta **   -all-   17.5 % 6       DBH DBH err Ht. Ht. Err # 3.75 cm ± 1.25 cm     12 stem(s) 8 Carpinus caroliniana Carpinus caroliniana **   Carpinus caroliniana **   Carpinus caroliniana **   Carpinus caroliniana **   Carpinus caroliniana **   Carpinus caroliniana **   Carpinus caroliniana **   Carpinus caroliniana **   -all-   7.5 % 5       DBH DBH err Ht. Ht. Err # 3.75 cm ± 1.25 cm     2 stem(s) 7.5 cm ± 2.5 cm     3 stem(s) 12.5 cm ± 2.5 cm     1 stem(s) 9 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 # 17.5 cm ± 2.5 cm     1 stem(s) 32.5 cm ± 2.5 cm     1 stem(s) 42.5 cm ± 0.5 cm     1 stem(s) 10 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-   7.5 % 5       -none- 11 Ulmus americana Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   -all-   3.5 % 4       DBH DBH err Ht. Ht. Err # 22.5 cm ± 2.5 cm     1 stem(s) 37.5 cm ± 2.5 cm     1 stem(s) 12 Scirpus lineatus Scirpus lineatus **   Scirpus lineatus **   Scirpus lineatus **   Scirpus lineatus **   Scirpus lineatus **   Scirpus lineatus **   Scirpus lineatus **   Scirpus lineatus **   -all-   3.5 % 4       -none- 13 Carex crinita Carex crinita **   Carex crinita **   Carex crinita **   Carex crinita **   Carex crinita **   Carex crinita **   Carex crinita **   Carex crinita **   -all-   1.5 % 3       -none- 14 Cicuta maculata var. maculata Cicuta maculata var. maculata **   Cicuta maculata var. maculata **   Cicuta maculata var. maculata **   Cicuta maculata var. maculata **   Cicuta maculata var. maculata **   Cicuta maculata var. maculata **   Cicuta maculata var. maculata **   Cicuta maculata var. maculata **   -all-   1.5 % 3       -none- 15 Cinna arundinacea Cinna arundinacea **   Cinna arundinacea **   Cinna arundinacea **   Cinna arundinacea **   Cinna arundinacea **   Cinna arundinacea **   Cinna arundinacea **   Cinna arundinacea **   -all-   1.5 % 3       -none- 16 Boehmeria cylindrica Boehmeria cylindrica **   Boehmeria cylindrica **   Boehmeria cylindrica **   Boehmeria cylindrica **   Boehmeria cylindrica **   Boehmeria cylindrica **   Boehmeria cylindrica **   Boehmeria cylindrica **   -all-   1.5 % 3       -none- 17 Arisaema triphyllum Arisaema triphyllum **   Arisaema triphyllum **   Arisaema triphyllum **   Arisaema triphyllum **   Arisaema triphyllum **   Arisaema triphyllum **   Arisaema triphyllum **   Arisaema triphyllum **   -all-   1.5 % 3       -none- 18 Packera aurea Packera aurea **   Packera aurea **   Packera aurea **   Packera aurea **   Packera aurea **   Packera aurea **   Packera aurea **   Packera aurea **   -all-   1.5 % 3       -none- 19 Persicaria arifolia Persicaria arifolia **   Persicaria arifolia **   Persicaria arifolia **   Persicaria arifolia **   Persicaria arifolia **   Persicaria arifolia **   Persicaria arifolia **   Persicaria arifolia **   -all-   1.5 % 3       -none- 20 Ludwigia palustris Ludwigia palustris **   Ludwigia palustris **   Ludwigia palustris **   Ludwigia palustris **   Ludwigia palustris **   Ludwigia palustris **   Ludwigia palustris **   Ludwigia palustris **   -all-   1.5 % 3       -none- 21 Microstegium vimineum Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   -all-   1.5 % 3       -none- 22 Morella cerifera Morella cerifera **   Morella cerifera **   Morella cerifera **   Morella cerifera **   Morella cerifera **   Morella cerifera **   Morella cerifera **   Morella cerifera **   -all-   1.5 % 3       DBH DBH err Ht. Ht. Err # 3.75 cm ± 1.25 cm     3 stem(s) 23 Dirca palustris Dirca palustris **   Dirca palustris **   Dirca palustris **   Dirca palustris **   Dirca palustris **   Dirca palustris **   Dirca palustris **   Dirca palustris **   -all-   1.5 % 3       -none- 24 Decumaria barbara Decumaria barbara **   Decumaria barbara **   Decumaria barbara **   Decumaria barbara **   Decumaria barbara **   Decumaria barbara **   Decumaria barbara **   Decumaria barbara **   -all-   1.5 % 3       -none- 25 Carex styloflexa Carex styloflexa **   Carex styloflexa **   Carex styloflexa **   Carex styloflexa **   Carex styloflexa **   Carex styloflexa **   Carex styloflexa **   Carex styloflexa **   -all-   0.505 % 2       -none- 26 Amphicarpaea bracteata Amphicarpaea bracteata **   Amphicarpaea bracteata **   Amphicarpaea bracteata **   Amphicarpaea bracteata **   Amphicarpaea bracteata **   Amphicarpaea bracteata **   Amphicarpaea bracteata **   Amphicarpaea bracteata **   -all-   0.505 % 2       -none- 27 Persicaria sagittata Persicaria sagittata **   Persicaria sagittata **   Persicaria sagittata **   Persicaria sagittata **   Persicaria sagittata **   Persicaria sagittata **   Persicaria sagittata **   Persicaria sagittata **   -all-   0.505 % 2       -none- 28 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-   0.505 % 2       -none- 29 Lindera benzoin Lindera benzoin **   Lindera benzoin **   Lindera benzoin **   Lindera benzoin **   Lindera benzoin **   Lindera benzoin **   Lindera benzoin **   Lindera benzoin **   -all-   0.505 % 2       -none- 30 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-   0.505 % 2       -none- 31 Onoclea sensibilis var. sensibilis Onoclea sensibilis var. sensibilis **   Onoclea sensibilis var. sensibilis **   Onoclea sensibilis var. sensibilis **   Onoclea sensibilis var. sensibilis **   Onoclea sensibilis var. sensibilis **   Onoclea sensibilis var. sensibilis **   Onoclea sensibilis var. sensibilis **   Onoclea sensibilis var. sensibilis **   -all-   0.505 % 2       -none- 32 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- 33 Carex bromoides ssp. bromoides Carex bromoides ssp. bromoides **   Carex bromoides ssp. bromoides **   Carex bromoides ssp. bromoides **   Carex bromoides ssp. bromoides **   Carex bromoides ssp. bromoides **   Carex bromoides ssp. bromoides **   Carex bromoides ssp. bromoides **   Carex bromoides ssp. bromoides **   -all-   0.505 % 2       -none- 34 Carex leptalea Carex leptalea **   Carex leptalea **   Carex leptalea **   Carex leptalea **   Carex leptalea **   Carex leptalea **   Carex leptalea **   Carex leptalea **   -all-   0.505 % 2       -none- 35 Geum canadense Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   -all-   0.505 % 2       -none- 36 Galium triflorum Galium triflorum **   Galium triflorum **   Galium triflorum **   Galium triflorum **   Galium triflorum **   Galium triflorum **   Galium triflorum **   Galium triflorum **   -all-   0.505 % 2       -none- 37 Impatiens capensis Impatiens capensis **   Impatiens capensis **   Impatiens capensis **   Impatiens capensis **   Impatiens capensis **   Impatiens capensis **   Impatiens capensis **   Impatiens capensis **   -all-   0.505 % 2       -none- 38 Persicaria virginiana Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   -all-   0.505 % 2       -none- 39 Ranunculus recurvatus var. recurvatus Ranunculus recurvatus var. recurvatus **   Ranunculus recurvatus var. recurvatus **   Ranunculus recurvatus var. recurvatus **   Ranunculus recurvatus var. recurvatus **   Ranunculus recurvatus var. recurvatus **   Ranunculus recurvatus var. recurvatus **   Ranunculus recurvatus var. recurvatus **   Ranunculus recurvatus var. recurvatus **   -all-   0.505 % 2       -none- 40 Symphyotrichum lateriflorum Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   -all-   0.505 % 2       -none- 41 Smilax rotundifolia Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   -all-   0.505 % 2       -none- 42 Carex blanda Carex blanda **   Carex blanda **   Carex blanda **   Carex blanda **   Carex blanda **   Carex blanda **   Carex blanda **   Carex blanda **   -all-   0.505 % 2       -none- 43 Dioscorea villosa Dioscorea villosa **   Dioscorea villosa **   Dioscorea villosa **   Dioscorea villosa **   Dioscorea villosa **   Dioscorea villosa **   Dioscorea villosa **   Dioscorea villosa **   -all-   0.505 % 2       -none- 44 Viola cucullata Viola cucullata **   Viola cucullata **   Viola cucullata **   Viola cucullata **   Viola cucullata **   Viola cucullata **   Viola cucullata **   Viola cucullata **   -all-   0.505 % 2       -none- 45 Dichanthelium lucidum Dichanthelium lucidum **   Dichanthelium lucidum **   Dichanthelium lucidum **   Dichanthelium lucidum **   Dichanthelium lucidum **   Dichanthelium lucidum **   Dichanthelium lucidum **   Dichanthelium lucidum **   -all-   0.505 % 2       -none- 46 Ponthieva racemosa Ponthieva racemosa **   Ponthieva racemosa **   Ponthieva racemosa **   Ponthieva racemosa **   Ponthieva racemosa **   Ponthieva racemosa **   Ponthieva racemosa **   Ponthieva racemosa **   -all-   0.05 % 1       -none-
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