085-PRIW-0004
» Citation URL: http://vegbank.org/cite/urn:lsid:cvs.bio.unc.edu:observation:16958-{19F79ECD-2790-4C16-B1F2-3EB823F4E5F9} » Citing info
Plot ID Fields:
Author Plot Code	085-PRIW-0004
Author Observation Code	085-PRIW-0004
Location Fields:	MAP: Google | Yahoo | TopoZone | MapQuest
Location Accuracy	10 m
Confidentiality Status	100 km radius (nearest degree)
Latitude	39 º
Longitude	-78 º
State or Province	Virginia
Named Places	county: Prince William region|state|province: Virginia
Layout Fields:
DSG Polygon	13.33 x 30 m
Area	400 m²
Permanence	not permanent
Environment Fields:
Elevation	140 m
Slope Aspect	(n/a, flat) º
Slope Gradient	2 º
Topographic Position	toe slope
Landform	seep/swale/non-alluvial bottom
Hydrologic Regime	non-tidal - saturated
Soil Moisture Regime	subhygric
Soil Drainage	somewhat poorly drained
Methods Fields:
Observation Start Date	29-Jun-2011
Observation End Date	29-Jun-2011
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	32 m
Shrub Height	5 m
Field Height	7 m
Tree Cover	80 %
Shrub Cover	55 %
Field Cover	75 %
Nonvascular Cover	1 %
Misc Fields:
Observation Narrative	The plot documents a relatively small seepage swamp situated where groundwater discharges along the side of a small headwaters branch. This vegetation of this habitat is distinct from that of the adjacent, small, well-drained floodplain, being characterized by large colonies of Symplocarpus foetidus and the presence of obligate hydrophytic herbs, e.g., Impatiens capensis, Carex prasina, Cinna arundinacea, Viola cucullata, Chrysosplenium americanum. Some upland mesophytes also occur on better-drained hummocks between the seepage channels. The site is very close to an agricultural field and invasive exotics (especially Microstegium vimineum) are becoming a major problem throughout this headwaters area.

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 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 # 17.5 cm ± 2.5 cm     2 stem(s) 22.5 cm ± 2.5 cm     1 stem(s) 45.5 cm ± 0.5 cm     1 stem(s) 51.5 cm ± 0.5 cm     1 stem(s) 51.5 cm ± 0.5 cm     1 stem(s) 56.5 cm ± 0.5 cm     1 stem(s) 61.5 cm ± 0.5 cm     1 stem(s) 2 Symplocarpus foetidus Symplocarpus foetidus **   Symplocarpus foetidus **   Symplocarpus foetidus **   Symplocarpus foetidus **   Symplocarpus foetidus **   Symplocarpus foetidus **   Symplocarpus foetidus **   Symplocarpus foetidus **   -all-   37.5 % 7       -none- 3 Lindera benzoin Lindera benzoin **   Lindera benzoin **   Lindera benzoin **   Lindera benzoin **   Lindera benzoin **   Lindera benzoin **   Lindera benzoin **   Lindera benzoin **   -all-   37.5 % 7       DBH DBH err Ht. Ht. Err # 3.75 cm ± 1.25 cm     7 stem(s) 4 Impatiens capensis Impatiens capensis **   Impatiens capensis **   Impatiens capensis **   Impatiens capensis **   Impatiens capensis **   Impatiens capensis **   Impatiens capensis **   Impatiens capensis **   -all-   17.5 % 6       -none- 5 Liriodendron tulipifera Liriodendron tulipifera **   Liriodendron tulipifera **   Liriodendron tulipifera **   Liriodendron tulipifera **   Liriodendron tulipifera **   Liriodendron tulipifera **   Liriodendron tulipifera **   Liriodendron tulipifera **   -all-   7.5 % 5       DBH DBH err Ht. Ht. Err # 12.5 cm ± 2.5 cm     1 stem(s) 32.5 cm ± 2.5 cm     1 stem(s) 6 Nyssa sylvatica Nyssa sylvatica **   Nyssa sylvatica **   Nyssa sylvatica **   Nyssa sylvatica **   Nyssa sylvatica **   Nyssa sylvatica **   Nyssa sylvatica **   Nyssa sylvatica **   -all-   7.5 % 5       DBH DBH err Ht. Ht. Err # 27.5 cm ± 2.5 cm     1 stem(s) 7 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     3 stem(s) 7.5 cm ± 2.5 cm     3 stem(s) 8 Microstegium vimineum Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   -all-   7.5 % 5       -none- 9 Circaea canadensis ssp. canadensis Circaea canadensis ssp. canadensis **   Circaea canadensis ssp. canadensis **   Circaea canadensis ssp. canadensis **   Circaea canadensis ssp. canadensis **   Circaea canadensis ssp. canadensis **   Circaea canadensis ssp. canadensis **   Circaea canadensis ssp. canadensis **   Circaea canadensis ssp. canadensis **   -all-   3.5 % 4       -none- 10 Fagus grandifolia Fagus grandifolia **   Fagus grandifolia **   Fagus grandifolia **   Fagus grandifolia **   Fagus grandifolia **   Fagus grandifolia **   Fagus grandifolia **   Fagus grandifolia **   -all-   3.5 % 4       DBH DBH err Ht. Ht. Err # 22.5 cm ± 2.5 cm     1 stem(s) 11 Carex prasina Carex prasina **   Carex prasina **   Carex prasina **   Carex prasina **   Carex prasina **   Carex prasina **   Carex prasina **   Carex prasina **   -all-   3.5 % 4       -none- 12 Parathelypteris noveboracensis Parathelypteris noveboracensis **   Parathelypteris noveboracensis **   Parathelypteris noveboracensis **   Parathelypteris noveboracensis **   Parathelypteris noveboracensis **   Parathelypteris noveboracensis **   Parathelypteris noveboracensis **   Parathelypteris noveboracensis **   -all-   3.5 % 4       -none- 13 Fraxinus pennsylvanica Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   -all-   3.5 % 4       DBH DBH err Ht. Ht. Err # 12.5 cm ± 2.5 cm     1 stem(s) 14 Smilax rotundifolia Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   -all-   3.5 % 4       -none- 15 Viola cucullata Viola cucullata **   Viola cucullata **   Viola cucullata **   Viola cucullata **   Viola cucullata **   Viola cucullata **   Viola cucullata **   Viola cucullata **   -all-   1.5 % 3       -none- 16 Lonicera japonica Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   -all-   1.5 % 3       -none- 17 Ulmus americana Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   -all-   1.5 % 3       DBH DBH err Ht. Ht. Err # 3.75 cm ± 1.25 cm     1 stem(s) 7.5 cm ± 2.5 cm     1 stem(s) 18 Ilex verticillata Ilex verticillata **   Ilex verticillata **   Ilex verticillata **   Ilex verticillata **   Ilex verticillata **   Ilex verticillata **   Ilex verticillata **   Ilex verticillata **   -all-   1.5 % 3       -none- 19 Arisaema triphyllum Arisaema triphyllum **   Arisaema triphyllum **   Arisaema triphyllum **   Arisaema triphyllum **   Arisaema triphyllum **   Arisaema triphyllum **   Arisaema triphyllum **   Arisaema triphyllum **   -all-   1.5 % 3       -none- 20 Rosa multiflora Rosa multiflora **   Rosa multiflora **   Rosa multiflora **   Rosa multiflora **   Rosa multiflora **   Rosa multiflora **   Rosa multiflora **   Rosa multiflora **   -all-   1.5 % 3       -none- 21 Chionanthus virginicus Chionanthus virginicus **   Chionanthus virginicus **   Chionanthus virginicus **   Chionanthus virginicus **   Chionanthus virginicus **   Chionanthus virginicus **   Chionanthus virginicus **   Chionanthus virginicus **   -all-   1.5 % 3       -none- 22 Quercus alba Quercus alba **   Quercus alba **   Quercus alba **   Quercus alba **   Quercus alba **   Quercus alba **   Quercus alba **   Quercus alba **   -all-   0.505 % 2       -none- 23 Glyceria striata var. striata Glyceria striata var. striata **   Glyceria striata var. striata **   Glyceria striata var. striata **   Glyceria striata var. striata **   Glyceria striata var. striata **   Glyceria striata var. striata **   Glyceria striata var. striata **   Glyceria striata var. striata **   -all-   0.505 % 2       -none- 24 Dioscorea quaternata Dioscorea quaternata **   Dioscorea quaternata **   Dioscorea quaternata **   Dioscorea quaternata **   Dioscorea quaternata **   Dioscorea quaternata **   Dioscorea quaternata **   Dioscorea quaternata **   -all-   0.505 % 2       -none- 25 Parthenocissus quinquefolia Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   -all-   0.505 % 2       -none- 26 Persicaria longiseta Persicaria longiseta **   Persicaria longiseta **   Persicaria longiseta **   Persicaria longiseta **   Persicaria longiseta **   Persicaria longiseta **   Persicaria longiseta **   Persicaria longiseta **   -all-   0.505 % 2       -none- 27 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- 28 Persicaria arifolia Persicaria arifolia **   Persicaria arifolia **   Persicaria arifolia **   Persicaria arifolia **   Persicaria arifolia **   Persicaria arifolia **   Persicaria arifolia **   Persicaria arifolia **   -all-   0.505 % 2       -none- 29 Carex styloflexa Carex styloflexa **   Carex styloflexa **   Carex styloflexa **   Carex styloflexa **   Carex styloflexa **   Carex styloflexa **   Carex styloflexa **   Carex styloflexa **   -all-   0.505 % 2       -none- 30 Carex radiata Carex radiata **   Carex radiata **   Carex radiata **   Carex radiata **   Carex radiata **   Carex radiata **   Carex radiata **   Carex radiata **   -all-   0.505 % 2       -none- 31 Sanicula canadensis Sanicula canadensis **   Sanicula canadensis **   Sanicula canadensis **   Sanicula canadensis **   Sanicula canadensis **   Sanicula canadensis **   Sanicula canadensis **   Sanicula canadensis **   -all-   0.505 % 2       -none- 32 Brachyelytrum erectum Brachyelytrum erectum **   Brachyelytrum erectum **   Brachyelytrum erectum **   Brachyelytrum erectum **   Brachyelytrum erectum **   Brachyelytrum erectum **   Brachyelytrum erectum **   Brachyelytrum erectum **   -all-   0.505 % 2       -none- 33 Carex intumescens var. intumescens Carex intumescens var. intumescens **   Carex intumescens var. intumescens **   Carex intumescens var. intumescens **   Carex intumescens var. intumescens **   Carex intumescens var. intumescens **   Carex intumescens var. intumescens **   Carex intumescens var. intumescens **   Carex intumescens var. intumescens **   -all-   0.505 % 2       -none- 34 Carex laxiculmis var. laxiculmis Carex laxiculmis var. laxiculmis **   Carex laxiculmis var. laxiculmis **   Carex laxiculmis var. laxiculmis **   Carex laxiculmis var. laxiculmis **   Carex laxiculmis var. laxiculmis **   Carex laxiculmis var. laxiculmis **   Carex laxiculmis var. laxiculmis **   Carex laxiculmis var. laxiculmis **   -all-   0.505 % 2       -none- 35 Uvularia sessilifolia Uvularia sessilifolia **   Uvularia sessilifolia **   Uvularia sessilifolia **   Uvularia sessilifolia **   Uvularia sessilifolia **   Uvularia sessilifolia **   Uvularia sessilifolia **   Uvularia sessilifolia **   -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 Leersia virginica Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   -all-   0.505 % 2       -none- 38 Chelone glabra Chelone glabra **   Chelone glabra **   Chelone glabra **   Chelone glabra **   Chelone glabra **   Chelone glabra **   Chelone glabra **   Chelone glabra **   -all-   0.505 % 2       -none- 39 Chrysosplenium americanum Chrysosplenium americanum **   Chrysosplenium americanum **   Chrysosplenium americanum **   Chrysosplenium americanum **   Chrysosplenium americanum **   Chrysosplenium americanum **   Chrysosplenium americanum **   Chrysosplenium americanum **   -all-   0.505 % 2       -none- 40 Vitis cinerea Vitis cinerea **   Vitis cinerea **   Vitis cinerea **   Vitis cinerea **   Vitis cinerea **   Vitis cinerea **   Vitis cinerea **   Vitis cinerea **   -all-   0.505 % 2       -none- 41 Rubus pensilvanicus Rubus pensilvanicus **   Rubus pensilvanicus **   Rubus pensilvanicus **   Rubus pensilvanicus **   Rubus pensilvanicus **   Rubus pensilvanicus **   Rubus pensilvanicus **   Rubus pensilvanicus **   -all-   0.505 % 2       -none- 42 Rubus flagellaris Rubus flagellaris **   Rubus flagellaris **   Rubus flagellaris **   Rubus flagellaris **   Rubus flagellaris **   Rubus flagellaris **   Rubus flagellaris **   Rubus flagellaris **   -all-   0.505 % 2       -none- 43 Laportea canadensis Laportea canadensis **   Laportea canadensis **   Laportea canadensis **   Laportea canadensis **   Laportea canadensis **   Laportea canadensis **   Laportea canadensis **   Laportea canadensis **   -all-   0.505 % 2       -none- 44 Osmundastrum cinnamomeum Osmundastrum cinnamomeum **   Osmundastrum cinnamomeum **   Osmundastrum cinnamomeum **   Osmundastrum cinnamomeum **   Osmundastrum cinnamomeum **   Osmundastrum cinnamomeum **   Osmundastrum cinnamomeum **   Osmundastrum cinnamomeum **   -all-   0.505 % 2       -none- 45 Geum canadense Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   -all-   0.505 % 2       -none- 46 Persicaria virginiana Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   -all-   0.505 % 2       -none- 47 Thalictrum pubescens Thalictrum pubescens **   Thalictrum pubescens **   Thalictrum pubescens **   Thalictrum pubescens **   Thalictrum pubescens **   Thalictrum pubescens **   Thalictrum pubescens **   Thalictrum pubescens **   -all-   0.505 % 2       -none- 48 Eurybia divaricata Eurybia divaricata **   Eurybia divaricata **   Eurybia divaricata **   Eurybia divaricata **   Eurybia divaricata **   Eurybia divaricata **   Eurybia divaricata **   Eurybia divaricata **   -all-   0.505 % 2       -none- 49 Lycopus virginicus Lycopus virginicus **   Lycopus virginicus **   Lycopus virginicus **   Lycopus virginicus **   Lycopus virginicus **   Lycopus virginicus **   Lycopus virginicus **   Lycopus virginicus **   -all-   0.505 % 2       -none- 50 Maianthemum racemosum ssp. racemosum Maianthemum racemosum ssp. racemosum **   Maianthemum racemosum ssp. racemosum **   Maianthemum racemosum ssp. racemosum **   Maianthemum racemosum ssp. racemosum **   Maianthemum racemosum ssp. racemosum **   Maianthemum racemosum ssp. racemosum **   Maianthemum racemosum ssp. racemosum **   Maianthemum racemosum ssp. racemosum **   -all-   0.505 % 2       -none- 51 Podophyllum peltatum Podophyllum peltatum **   Podophyllum peltatum **   Podophyllum peltatum **   Podophyllum peltatum **   Podophyllum peltatum **   Podophyllum peltatum **   Podophyllum peltatum **   Podophyllum peltatum **   -all-   0.505 % 2       -none- 52 Toxicodendron radicans Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   -all-   0.505 % 2       -none- 53 Collinsonia canadensis Collinsonia canadensis **   Collinsonia canadensis **   Collinsonia canadensis **   Collinsonia canadensis **   Collinsonia canadensis **   Collinsonia canadensis **   Collinsonia canadensis **   Collinsonia canadensis **   -all-   0.505 % 2       -none- 54 Cardamine pensylvanica Cardamine pensylvanica **   Cardamine pensylvanica **   Cardamine pensylvanica **   Cardamine pensylvanica **   Cardamine pensylvanica **   Cardamine pensylvanica **   Cardamine pensylvanica **   Cardamine pensylvanica **   -all-   0.505 % 2       -none- 55 Ophioglossum pycnostichum Ophioglossum pycnostichum **   Ophioglossum pycnostichum **   Ophioglossum pycnostichum **   Ophioglossum pycnostichum **   Ophioglossum pycnostichum **   Ophioglossum pycnostichum **   Ophioglossum pycnostichum **   Ophioglossum pycnostichum **   -all-   0.505 % 2       -none- 56 Cinna arundinacea Cinna arundinacea **   Cinna arundinacea **   Cinna arundinacea **   Cinna arundinacea **   Cinna arundinacea **   Cinna arundinacea **   Cinna arundinacea **   Cinna arundinacea **   -all-   0.505 % 2       -none- 57 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- 58 Cryptotaenia canadensis Cryptotaenia canadensis **   Cryptotaenia canadensis **   Cryptotaenia canadensis **   Cryptotaenia canadensis **   Cryptotaenia canadensis **   Cryptotaenia canadensis **   Cryptotaenia canadensis **   Cryptotaenia canadensis **   -all-   0.05 % 1       -none- 59 Viburnum prunifolium Viburnum prunifolium **   Viburnum prunifolium **   Viburnum prunifolium **   Viburnum prunifolium **   Viburnum prunifolium **   Viburnum prunifolium **   Viburnum prunifolium **   Viburnum prunifolium **   -all-   0.05 % 1       -none- 60 Smilax glauca Smilax glauca **   Smilax glauca **   Smilax glauca **   Smilax glauca **   Smilax glauca **   Smilax glauca **   Smilax glauca **   Smilax glauca **   -all-   0.05 % 1       -none- 61 Polystichum acrostichoides Polystichum acrostichoides **   Polystichum acrostichoides **   Polystichum acrostichoides **   Polystichum acrostichoides **   Polystichum acrostichoides **   Polystichum acrostichoides **   Polystichum acrostichoides **   Polystichum acrostichoides **   -all-   0.05 % 1       -none-
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Stratum Definitions:
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