085-FAIR-0039
» Citation URL: http://vegbank.org/cite/urn:lsid:cvs.bio.unc.edu:observation:16024-{1BFCE6CC-E44D-4057-9B11-DFBA6E6CD5C1} » Citing info
Plot ID Fields:
Author Plot Code	085-FAIR-0039
Author Observation Code	085-FAIR-0039
Location Fields:	MAP: Google | Yahoo | TopoZone | MapQuest
Location Accuracy	25 m
Confidentiality Status	100 km radius (nearest degree)
Latitude	39 º
Longitude	-77 º
State or Province	Virginia
Named Places	county: Fairfax county: Fairfax region|state|province: Virginia
Layout Fields:
DSG Polygon	10 x 40 m
Area	400 m²
Permanence	not permanent
Environment Fields:
Elevation	20 m
Slope Aspect	35 º
Slope Gradient	12 º
Topographic Position	plain/level/bottom
Landform	alluvial flat/alluvial terrace/floodplain
Hydrologic Regime	non-tidal - temporarily flooded
Soil Moisture Regime	subhygric
Soil Drainage	moderately well drained
Methods Fields:
Observation Start Date	21-Apr-2006
Observation End Date	21-Apr-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	37 m
Shrub Height	5 m
Field Height	2 m
Tree Cover	85 %
Shrub Cover	2 %
Field Cover	40 %
Misc Fields:
Observation Narrative	Location: on bank of the Potomac River ca. 250 m west of the mouth of Bullneck Run. The plot captures a long, narrow riverbank zone that is scoured by brief but powerful flooding annually or more often. The habitat has a short (~ 8 m), moderately steep (12 deg) slope from the river's edge to a sub-level, lower floodplain terrace. Open forest vegetation is characterized by large (up to 166 cm DBH) Acer saccharinum and Platanus occidentalis overstory trees, sparse understory of Acer negundo, very sparse shrub layer, and an open herb layer of flood-tolerant forbs. This vegetation contrasts sharply with the forest of the higher, better-drained, and less often flooded upper floodplain terrace at this site, which supports a dense Asimina triloba shrub layer and a lush herb layer dominated by Mertensia virginica.

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 negundo var. negundo Acer negundo var. negundo **   Acer negundo var. negundo **   Acer negundo var. negundo **   Acer negundo var. negundo **   Acer negundo var. negundo **   Acer negundo var. negundo **   Acer negundo var. negundo **   Acer negundo var. negundo **   -all-   62.5 % 8       DBH DBH err Ht. Ht. Err # 7.5 cm ± 2.5 cm     1 stem(s) 17.5 cm ± 2.5 cm     2 stem(s) 22.5 cm ± 2.5 cm     3 stem(s) 27.5 cm ± 2.5 cm     2 stem(s) 37.5 cm ± 2.5 cm     1 stem(s) 43.5 cm ± 0.5 cm     1 stem(s) 55.5 cm ± 0.5 cm     1 stem(s) 2 Acer saccharinum Acer saccharinum **   Acer saccharinum **   Acer saccharinum **   Acer saccharinum **   Acer saccharinum **   Acer saccharinum **   Acer saccharinum **   Acer saccharinum **   -all-   37.5 % 7       DBH DBH err Ht. Ht. Err # 102.5 cm ± 0.5 cm     1 stem(s) 166.5 cm ± 0.5 cm     1 stem(s) 3 Ageratina altissima var. altissima Ageratina altissima var. altissima **   Ageratina altissima var. altissima **   Ageratina altissima var. altissima **   Ageratina altissima var. altissima **   Ageratina altissima var. altissima **   Ageratina altissima var. altissima **   Ageratina altissima var. altissima **   Ageratina altissima var. altissima **   -all-   17.5 % 6       -none- 4 Platanus occidentalis Platanus occidentalis **   Platanus occidentalis **   Platanus occidentalis **   Platanus occidentalis **   Platanus occidentalis **   Platanus occidentalis **   Platanus occidentalis **   Platanus occidentalis **   -all-   17.5 % 6       DBH DBH err Ht. Ht. Err # 79.5 cm ± 0.5 cm     1 stem(s) 87.5 cm ± 0.5 cm     1 stem(s) 5 Teucrium canadense Teucrium canadense **   Teucrium canadense **   Teucrium canadense **   Teucrium canadense **   Teucrium canadense **   Teucrium canadense **   Teucrium canadense **   Teucrium canadense **   -all-   7.5 % 5       -none- 6 Glechoma hederacea Glechoma hederacea **   Glechoma hederacea **   Glechoma hederacea **   Glechoma hederacea **   Glechoma hederacea **   Glechoma hederacea **   Glechoma hederacea **   Glechoma hederacea **   -all-   3.5 % 4       -none- 7 Lindera benzoin Lindera benzoin **   Lindera benzoin **   Lindera benzoin **   Lindera benzoin **   Lindera benzoin **   Lindera benzoin **   Lindera benzoin **   Lindera benzoin **   -all-   1.5 % 3       -none- 8 Alliaria petiolata Alliaria petiolata **   Alliaria petiolata **   Alliaria petiolata **   Alliaria petiolata **   Alliaria petiolata **   Alliaria petiolata **   Alliaria petiolata **   Alliaria petiolata **   -all-   1.5 % 3       -none- 9 Asimina triloba Asimina triloba **   Asimina triloba **   Asimina triloba **   Asimina triloba **   Asimina triloba **   Asimina triloba **   Asimina triloba **   Asimina triloba **   -all-   1.5 % 3       -none- 10 Mertensia virginica Mertensia virginica **   Mertensia virginica **   Mertensia virginica **   Mertensia virginica **   Mertensia virginica **   Mertensia virginica **   Mertensia virginica **   Mertensia virginica **   -all-   1.5 % 3       -none- 11 Urtica dioica Urtica dioica **   Urtica dioica **   Urtica dioica **   Urtica dioica **   Urtica dioica **   Urtica dioica **   Urtica dioica **   Urtica dioica **   -all-   1.5 % 3       -none- 12 Impatiens capensis Impatiens capensis **   Impatiens capensis **   Impatiens capensis **   Impatiens capensis **   Impatiens capensis **   Impatiens capensis **   Impatiens capensis **   Impatiens capensis **   -all-   0.505 % 2       -none- 13 Cryptotaenia canadensis Cryptotaenia canadensis **   Cryptotaenia canadensis **   Cryptotaenia canadensis **   Cryptotaenia canadensis **   Cryptotaenia canadensis **   Cryptotaenia canadensis **   Cryptotaenia canadensis **   Cryptotaenia canadensis **   -all-   0.505 % 2       -none- 14 Artemisia annua Artemisia annua **   Artemisia annua **   Artemisia annua **   Artemisia annua **   Artemisia annua **   Artemisia annua **   Artemisia annua **   Artemisia annua **   -all-   0.505 % 2       -none- 15 Carex blanda Carex blanda **   Carex blanda **   Carex blanda **   Carex blanda **   Carex blanda **   Carex blanda **   Carex blanda **   Carex blanda **   -all-   0.505 % 2       -none- 16 Scrophularia marilandica Scrophularia marilandica **   Scrophularia marilandica **   Scrophularia marilandica **   Scrophularia marilandica **   Scrophularia marilandica **   Scrophularia marilandica **   Scrophularia marilandica **   Scrophularia marilandica **   -all-   0.505 % 2       -none- 17 Berberis thunbergii Berberis thunbergii **   Berberis thunbergii **   Berberis thunbergii **   Berberis thunbergii **   Berberis thunbergii **   Berberis thunbergii **   Berberis thunbergii **   Berberis thunbergii **   -all-   0.505 % 2       -none- 18 Viola sororia Viola sororia **   Viola sororia **   Viola sororia **   Viola sororia **   Viola sororia **   Viola sororia **   Viola sororia **   Viola sororia **   -all-   0.505 % 2       -none- 19 Toxicodendron radicans Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   -all-   0.505 % 2       -none- 20 Phlox divaricata Phlox divaricata **   Phlox divaricata **   Phlox divaricata **   Phlox divaricata **   Phlox divaricata **   Phlox divaricata **   Phlox divaricata **   Phlox divaricata **   -all-   0.505 % 2       -none- 21 Parthenocissus quinquefolia Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   -all-   0.505 % 2       -none- 22 Ornithogalum umbellatum Ornithogalum umbellatum **   Ornithogalum umbellatum **   Ornithogalum umbellatum **   Ornithogalum umbellatum **   Ornithogalum umbellatum **   Ornithogalum umbellatum **   Ornithogalum umbellatum **   Ornithogalum umbellatum **   -all-   0.505 % 2       -none- 23 Symphyotrichum lateriflorum Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   -all-   0.505 % 2       -none- 24 Verbesina alternifolia Verbesina alternifolia **   Verbesina alternifolia **   Verbesina alternifolia **   Verbesina alternifolia **   Verbesina alternifolia **   Verbesina alternifolia **   Verbesina alternifolia **   Verbesina alternifolia **   -all-   0.505 % 2       -none- 25 Microstegium vimineum Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   -all-   0.505 % 2       -none- 26 Senecio suaveolens Senecio suaveolens **   Senecio suaveolens **   Senecio suaveolens **   Senecio suaveolens **   Senecio suaveolens **   Senecio suaveolens **   Senecio suaveolens **   Senecio suaveolens **   -all-   0.505 % 2       -none- 27 Geum canadense Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   -all-   0.505 % 2       -none- 28 Festuca subverticillata Festuca subverticillata **   Festuca subverticillata **   Festuca subverticillata **   Festuca subverticillata **   Festuca subverticillata **   Festuca subverticillata **   Festuca subverticillata **   Festuca subverticillata **   -all-   0.505 % 2       -none- 29 Fraxinus pennsylvanica Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   -all-   0.505 % 2       -none- 30 Galium triflorum Galium triflorum **   Galium triflorum **   Galium triflorum **   Galium triflorum **   Galium triflorum **   Galium triflorum **   Galium triflorum **   Galium triflorum **   -all-   0.505 % 2       -none- 31 Saponaria officinalis Saponaria officinalis **   Saponaria officinalis **   Saponaria officinalis **   Saponaria officinalis **   Saponaria officinalis **   Saponaria officinalis **   Saponaria officinalis **   Saponaria officinalis **   -all-   0.505 % 2       -none- 32 Persicaria virginiana Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   -all-   0.505 % 2       -none- 33 Rudbeckia laciniata Rudbeckia laciniata **   Rudbeckia laciniata **   Rudbeckia laciniata **   Rudbeckia laciniata **   Rudbeckia laciniata **   Rudbeckia laciniata **   Rudbeckia laciniata **   Rudbeckia laciniata **   -all-   0.505 % 2       -none- 34 Ranunculus abortivus Ranunculus abortivus **   Ranunculus abortivus **   Ranunculus abortivus **   Ranunculus abortivus **   Ranunculus abortivus **   Ranunculus abortivus **   Ranunculus abortivus **   Ranunculus abortivus **   -all-   0.05 % 1       -none- 35 Clematis virginiana Clematis virginiana **   Clematis virginiana **   Clematis virginiana **   Clematis virginiana **   Clematis virginiana **   Clematis virginiana **   Clematis virginiana **   Clematis virginiana **   -all-   0.05 % 1       -none- 36 Oxalis dillenii Oxalis dillenii **   Oxalis dillenii **   Oxalis dillenii **   Oxalis dillenii **   Oxalis dillenii **   Oxalis dillenii **   Oxalis dillenii **   Oxalis dillenii **   -all-   0.05 % 1       -none- 37 Chaerophyllum procumbens var. procumbens Chaerophyllum procumbens var. procumbens **   Chaerophyllum procumbens var. procumbens **   Chaerophyllum procumbens var. procumbens **   Chaerophyllum procumbens var. procumbens **   Chaerophyllum procumbens var. procumbens **   Chaerophyllum procumbens var. procumbens **   Chaerophyllum procumbens var. procumbens **   Chaerophyllum procumbens var. procumbens **   -all-   0.05 % 1       -none- 38 Ailanthus altissima Ailanthus altissima **   Ailanthus altissima **   Ailanthus altissima **   Ailanthus altissima **   Ailanthus altissima **   Ailanthus altissima **   Ailanthus altissima **   Ailanthus altissima **   -all-   0.05 % 1       -none- 39 Claytonia virginica Claytonia virginica **   Claytonia virginica **   Claytonia virginica **   Claytonia virginica **   Claytonia virginica **   Claytonia virginica **   Claytonia virginica **   Claytonia virginica **   -all-   0.05 % 1       -none- 40 Perilla frutescens Perilla frutescens **   Perilla frutescens **   Perilla frutescens **   Perilla frutescens **   Perilla frutescens **   Perilla frutescens **   Perilla frutescens **   Perilla frutescens **   -all-   0.05 % 1       -none- 41 Prunella vulgaris Prunella vulgaris **   Prunella vulgaris **   Prunella vulgaris **   Prunella vulgaris **   Prunella vulgaris **   Prunella vulgaris **   Prunella vulgaris **   Prunella vulgaris **   -all-   0.05 % 1       -none- 42 Zizia aurea Zizia aurea **   Zizia aurea **   Zizia aurea **   Zizia aurea **   Zizia aurea **   Zizia aurea **   Zizia aurea **   Zizia aurea **   -all-   0.05 % 1       -none- 43 Artemisia vulgaris Artemisia vulgaris **   Artemisia vulgaris **   Artemisia vulgaris **   Artemisia vulgaris **   Artemisia vulgaris **   Artemisia vulgaris **   Artemisia vulgaris **   Artemisia vulgaris **   -all-   0.05 % 1       -none- 44 Carpinus caroliniana Carpinus caroliniana **   Carpinus caroliniana **   Carpinus caroliniana **   Carpinus caroliniana **   Carpinus caroliniana **   Carpinus caroliniana **   Carpinus caroliniana **   Carpinus caroliniana **   -all-   0.05 % 1       -none- 45 Ranunculus caricetorum Ranunculus caricetorum **   Ranunculus caricetorum **   Ranunculus caricetorum **   Ranunculus caricetorum **   Ranunculus caricetorum **   Ranunculus caricetorum **   Ranunculus caricetorum **   Ranunculus caricetorum **   -all-   0.05 % 1       -none- 46 Daucus carota Daucus carota **   Daucus carota **   Daucus carota **   Daucus carota **   Daucus carota **   Daucus carota **   Daucus carota **   Daucus carota **   -all-   0.05 % 1       -none- 47 Dichanthelium clandestinum Dichanthelium clandestinum **   Dichanthelium clandestinum **   Dichanthelium clandestinum **   Dichanthelium clandestinum **   Dichanthelium clandestinum **   Dichanthelium clandestinum **   Dichanthelium clandestinum **   Dichanthelium clandestinum **   -all-   0.05 % 1       -none- 48 Sedum sarmentosum Sedum sarmentosum **   Sedum sarmentosum **   Sedum sarmentosum **   Sedum sarmentosum **   Sedum sarmentosum **   Sedum sarmentosum **   Sedum sarmentosum **   Sedum sarmentosum **   -all-   0.05 % 1       -none- 49 Ulmus americana Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   -all-   0.05 % 1       -none- 50 Hydrophyllum canadense Hydrophyllum canadense **   Hydrophyllum canadense **   Hydrophyllum canadense **   Hydrophyllum canadense **   Hydrophyllum canadense **   Hydrophyllum canadense **   Hydrophyllum canadense **   Hydrophyllum canadense **   -all-   0.05 % 1       -none- 51 Morus alba Morus alba **   Morus alba **   Morus alba **   Morus alba **   Morus alba **   Morus alba **   Morus alba **   Morus alba **   -all-   0.05 % 1       -none- 52 Humulus japonicus Humulus japonicus **   Humulus japonicus **   Humulus japonicus **   Humulus japonicus **   Humulus japonicus **   Humulus japonicus **   Humulus japonicus **   Humulus japonicus **   -all-   0.05 % 1       -none- 53 Hesperis matronalis Hesperis matronalis **   Hesperis matronalis **   Hesperis matronalis **   Hesperis matronalis **   Hesperis matronalis **   Hesperis matronalis **   Hesperis matronalis **   Hesperis matronalis **   -all-   0.05 % 1       -none-
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Stratum Definitions:
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