085-MADS-0005
» Citation URL: http://vegbank.org/cite/urn:lsid:cvs.bio.unc.edu:observation:14675-{F66C955E-8EB3-49C4-B0C5-5EA44B117A65} » Citing info
Plot ID Fields:
Author Plot Code	085-MADS-0005
Author Observation Code	085-MADS-0005
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	16 x 25 m
Area	400 m²
Permanence	not permanent
Environment Fields:
Elevation	22 m
Slope Aspect	(n/a, flat) º
Slope Gradient	1 º
Topographic Position	plain/level/bottom
Landform	alluvial flat/alluvial terrace/floodplain
Hydrologic Regime	non-tidal - temporarily flooded
Soil Moisture Regime	mesic
Soil Drainage	moderately well drained
Methods Fields:
Observation Start Date	13-May-2003
Observation End Date	13-May-2003
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	28 m
Shrub Height	5 m
Field Height	5 m
Tree Cover	90 %
Shrub Cover	40 %
Field Cover	65 %
Nonvascular Cover	4 %
Misc Fields:
Observation Narrative	Acer saccharinum-dominated floodplain on lowest, most active floodplain terrace of the Potomac River. Stand has an overstory of large-diameter Acer saccharinum (and occasional Populus deltoides), with an 6-18m tall understory of Acer negundo. Flood-tolerant forbs dominate the herb layer.

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 saccharinum Acer saccharinum **   Acer saccharinum **   Acer saccharinum **   Acer saccharinum **   Acer saccharinum **   Acer saccharinum **   Acer saccharinum **   Acer saccharinum **   -all-   62.5 % 8       DBH DBH err Ht. Ht. Err # 32.5 cm ± 2.5 cm     1 stem(s) 60.5 cm ± 0.5 cm     1 stem(s) 71.5 cm ± 0.5 cm     1 stem(s) 76.5 cm ± 0.5 cm     1 stem(s) 2 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 # 3.75 cm ± 1.25 cm     1 stem(s) 12.5 cm ± 2.5 cm     3 stem(s) 17.5 cm ± 2.5 cm     1 stem(s) 22.5 cm ± 2.5 cm     4 stem(s) 27.5 cm ± 2.5 cm     1 stem(s) 32.5 cm ± 2.5 cm     1 stem(s) 43.5 cm ± 0.5 cm     1 stem(s) 44.5 cm ± 0.5 cm     1 stem(s) 3 Urtica dioica Urtica dioica **   Urtica dioica **   Urtica dioica **   Urtica dioica **   Urtica dioica **   Urtica dioica **   Urtica dioica **   Urtica dioica **   -all-   37.5 % 7       -none- 4 Asimina triloba Asimina triloba **   Asimina triloba **   Asimina triloba **   Asimina triloba **   Asimina triloba **   Asimina triloba **   Asimina triloba **   Asimina triloba **   -all-   17.5 % 6       DBH DBH err Ht. Ht. Err # 7.5 cm ± 2.5 cm     1 stem(s) 5 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-   7.5 % 5       -none- 6 Lindera benzoin Lindera benzoin **   Lindera benzoin **   Lindera benzoin **   Lindera benzoin **   Lindera benzoin **   Lindera benzoin **   Lindera benzoin **   Lindera benzoin **   -all-   7.5 % 5       DBH DBH err Ht. Ht. Err # 3.75 cm ± 1.25 cm     1 stem(s) 7 Alliaria petiolata Alliaria petiolata **   Alliaria petiolata **   Alliaria petiolata **   Alliaria petiolata **   Alliaria petiolata **   Alliaria petiolata **   Alliaria petiolata **   Alliaria petiolata **   -all-   7.5 % 5       -none- 8 Microstegium vimineum Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   -all-   3.5 % 4       -none- 9 Boehmeria cylindrica Boehmeria cylindrica **   Boehmeria cylindrica **   Boehmeria cylindrica **   Boehmeria cylindrica **   Boehmeria cylindrica **   Boehmeria cylindrica **   Boehmeria cylindrica **   Boehmeria cylindrica **   -all-   3.5 % 4       -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 Leersia virginica Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   -all-   1.5 % 3       -none- 12 Verbesina alternifolia Verbesina alternifolia **   Verbesina alternifolia **   Verbesina alternifolia **   Verbesina alternifolia **   Verbesina alternifolia **   Verbesina alternifolia **   Verbesina alternifolia **   Verbesina alternifolia **   -all-   1.5 % 3       -none- 13 Geum canadense Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   -all-   0.505 % 2       -none- 14 Perilla frutescens Perilla frutescens **   Perilla frutescens **   Perilla frutescens **   Perilla frutescens **   Perilla frutescens **   Perilla frutescens **   Perilla frutescens **   Perilla frutescens **   -all-   0.505 % 2       -none- 15 Osmorhiza longistylis Osmorhiza longistylis **   Osmorhiza longistylis **   Osmorhiza longistylis **   Osmorhiza longistylis **   Osmorhiza longistylis **   Osmorhiza longistylis **   Osmorhiza longistylis **   Osmorhiza longistylis **   -all-   0.505 % 2       -none- 16 Zizia aurea Zizia aurea **   Zizia aurea **   Zizia aurea **   Zizia aurea **   Zizia aurea **   Zizia aurea **   Zizia aurea **   Zizia aurea **   -all-   0.505 % 2       -none- 17 Bidens frondosa Bidens frondosa **   Bidens frondosa **   Bidens frondosa **   Bidens frondosa **   Bidens frondosa **   Bidens frondosa **   Bidens frondosa **   Bidens frondosa **   -all-   0.505 % 2       -none- 18 Fraxinus pennsylvanica Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   -all-   0.505 % 2       -none- 19 Impatiens capensis Impatiens capensis **   Impatiens capensis **   Impatiens capensis **   Impatiens capensis **   Impatiens capensis **   Impatiens capensis **   Impatiens capensis **   Impatiens capensis **   -all-   0.505 % 2       -none- 20 Parthenocissus quinquefolia Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   -all-   0.505 % 2       -none- 21 Sanicula odorata Sanicula odorata **   Sanicula odorata **   Sanicula odorata **   Sanicula odorata **   Sanicula odorata **   Sanicula odorata **   Sanicula odorata **   Sanicula odorata **   -all-   0.505 % 2       -none- 22 Carex radiata Carex radiata **   Carex radiata **   Carex radiata **   Carex radiata **   Carex radiata **   Carex radiata **   Carex radiata **   Carex radiata **   -all-   0.505 % 2       -none- 23 Stellaria media Stellaria media **   Stellaria media **   Stellaria media **   Stellaria media **   Stellaria media **   Stellaria media **   Stellaria media **   Stellaria media **   -all-   0.505 % 2       -none- 24 Artemisia annua Artemisia annua **   Artemisia annua **   Artemisia annua **   Artemisia annua **   Artemisia annua **   Artemisia annua **   Artemisia annua **   Artemisia annua **   -all-   0.505 % 2       -none- 25 Pilea pumila Pilea pumila **   Pilea pumila **   Pilea pumila **   Pilea pumila **   Pilea pumila **   Pilea pumila **   Pilea pumila **   Pilea pumila **   -all-   0.505 % 2       -none- 26 Poa trivialis Poa trivialis **   Poa trivialis **   Poa trivialis **   Poa trivialis **   Poa trivialis **   Poa trivialis **   Poa trivialis **   Poa trivialis **   -all-   0.505 % 2       -none- 27 Cryptotaenia canadensis Cryptotaenia canadensis **   Cryptotaenia canadensis **   Cryptotaenia canadensis **   Cryptotaenia canadensis **   Cryptotaenia canadensis **   Cryptotaenia canadensis **   Cryptotaenia canadensis **   Cryptotaenia canadensis **   -all-   0.505 % 2       -none- 28 Persicaria virginiana Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   -all-   0.505 % 2       -none- 29 Viola sororia Viola sororia **   Viola sororia **   Viola sororia **   Viola sororia **   Viola sororia **   Viola sororia **   Viola sororia **   Viola sororia **   -all-   0.505 % 2       -none- 30 Cystopteris protrusa Cystopteris protrusa **   Cystopteris protrusa **   Cystopteris protrusa **   Cystopteris protrusa **   Cystopteris protrusa **   Cystopteris protrusa **   Cystopteris protrusa **   Cystopteris protrusa **   -all-   0.505 % 2       -none- 31 Saururus cernuus Saururus cernuus **   Saururus cernuus **   Saururus cernuus **   Saururus cernuus **   Saururus cernuus **   Saururus cernuus **   Saururus cernuus **   Saururus cernuus **   -all-   0.505 % 2       -none- 32 Hydrophyllum canadense Hydrophyllum canadense **   Hydrophyllum canadense **   Hydrophyllum canadense **   Hydrophyllum canadense **   Hydrophyllum canadense **   Hydrophyllum canadense **   Hydrophyllum canadense **   Hydrophyllum canadense **   -all-   0.505 % 2       -none- 33 Laportea canadensis Laportea canadensis **   Laportea canadensis **   Laportea canadensis **   Laportea canadensis **   Laportea canadensis **   Laportea canadensis **   Laportea canadensis **   Laportea canadensis **   -all-   0.505 % 2       -none- 34 Glechoma hederacea Glechoma hederacea **   Glechoma hederacea **   Glechoma hederacea **   Glechoma hederacea **   Glechoma hederacea **   Glechoma hederacea **   Glechoma hederacea **   Glechoma hederacea **   -all-   0.505 % 2       -none- 35 Festuca subverticillata Festuca subverticillata **   Festuca subverticillata **   Festuca subverticillata **   Festuca subverticillata **   Festuca subverticillata **   Festuca subverticillata **   Festuca subverticillata **   Festuca subverticillata **   -all-   0.505 % 2       -none- 36 Ulmus americana Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   -all-   0.05 % 1       -none- 37 Menispermum canadense Menispermum canadense **   Menispermum canadense **   Menispermum canadense **   Menispermum canadense **   Menispermum canadense **   Menispermum canadense **   Menispermum canadense **   Menispermum canadense **   -all-   0.05 % 1       -none- 38 Quercus palustris Quercus palustris **   Quercus palustris **   Quercus palustris **   Quercus palustris **   Quercus palustris **   Quercus palustris **   Quercus palustris **   Quercus palustris **   -all-   0.05 % 1       -none- 39 Oxalis stricta Oxalis stricta **   Oxalis stricta **   Oxalis stricta **   Oxalis stricta **   Oxalis stricta **   Oxalis stricta **   Oxalis stricta **   Oxalis stricta **   -all-   0.05 % 1       -none- 40 Persicaria longiseta Persicaria longiseta **   Persicaria longiseta **   Persicaria longiseta **   Persicaria longiseta **   Persicaria longiseta **   Persicaria longiseta **   Persicaria longiseta **   Persicaria longiseta **   -all-   0.05 % 1       -none- 41 Smilax rotundifolia Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   Smilax rotundifolia **   -all-   0.05 % 1       -none- 42 Carya cordiformis Carya cordiformis **   Carya cordiformis **   Carya cordiformis **   Carya cordiformis **   Carya cordiformis **   Carya cordiformis **   Carya cordiformis **   Carya cordiformis **   -all-   0.05 % 1       -none- 43 Morus rubra Morus rubra **   Morus rubra **   Morus rubra **   Morus rubra **   Morus rubra **   Morus rubra **   Morus rubra **   Morus rubra **   -all-   0.05 % 1       -none- 44 Erigenia bulbosa Erigenia bulbosa **   Erigenia bulbosa **   Erigenia bulbosa **   Erigenia bulbosa **   Erigenia bulbosa **   Erigenia bulbosa **   Erigenia bulbosa **   Erigenia bulbosa **   -all-   0.05 % 1       -none- 45 Celtis occidentalis Celtis occidentalis **   Celtis occidentalis **   Celtis occidentalis **   Celtis occidentalis **   Celtis occidentalis **   Celtis occidentalis **   Celtis occidentalis **   Celtis occidentalis **   -all-   0.05 % 1       -none- 46 Asarum canadense Asarum canadense **   Asarum canadense **   Asarum canadense **   Asarum canadense **   Asarum canadense **   Asarum canadense **   Asarum canadense **   Asarum canadense **   -all-   0.05 % 1       -none-
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Stratum Definitions:
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