085-LOUD-0006
» Citation URL: http://vegbank.org/cite/urn:lsid:cvs.bio.unc.edu:observation:14655-{A79583DC-EACA-4558-A42C-4768D0A4D9AF} » Citing info
Plot ID Fields:
Author Plot Code	085-LOUD-0006
Author Observation Code	085-LOUD-0006
Location Fields:	MAP: Google | Yahoo | TopoZone | MapQuest
Confidentiality Status	100 km radius (nearest degree)
Latitude	39 º
Longitude	-78 º
State or Province	Virginia
Named Places	county: Loudoun region|state|province: Virginia
Layout Fields:
DSG Polygon	10 x 40 m
Area	400 m²
Permanence	not permanent
Environment Fields:
Elevation	58 m
Slope Aspect	135 º
Slope Gradient	2 º
Topographic Position	plain/level/bottom
Hydrologic Regime	non-tidal - temporarily flooded
Soil Moisture Regime	mesic
Soil Drainage	moderately well drained
Methods Fields:
Observation Start Date	21-May-1999
Observation End Date	21-May-1999
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 Cover	90 %
Field Cover	70 %
Misc Fields:
Observation Narrative	Habitat is a narrow, probably annually flooded, sandy alluvial terrace along the Potomac River, 0.2 mi WNW of where large powerline crosses the south shore of the river at east end of "red rocks" cliff. Acer saccharinum is the overwhelming dominant tree here in a relatively mature floodplain forest stand (trees up to 110 cm dbh). Possibly because of occasional severe floods, the lower woody strata of this forest is poorly developed and the forest floor is a patchwork dense herbaceous growth and somewhat barren sand deposits.

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-   87.5 % 9       DBH DBH err Ht. Ht. Err # 17.5 cm ± 2.5 cm     2 stem(s) 32.5 cm ± 2.5 cm     3 stem(s) 42.5 cm ± 0.5 cm     1 stem(s) 44.5 cm ± 0.5 cm     1 stem(s) 54.5 cm ± 0.5 cm     1 stem(s) 64.5 cm ± 0.5 cm     1 stem(s) 65.5 cm ± 0.5 cm     1 stem(s) 67.5 cm ± 0.5 cm     1 stem(s) 87.5 cm ± 0.5 cm     1 stem(s) 110.5 cm ± 0.5 cm     1 stem(s) 2 Laportea canadensis Laportea canadensis **   Laportea canadensis **   Laportea canadensis **   Laportea canadensis **   Laportea canadensis **   Laportea canadensis **   Laportea canadensis **   Laportea canadensis **   -all-   37.5 % 7       -none- 3 Pilea pumila Pilea pumila **   Pilea pumila **   Pilea pumila **   Pilea pumila **   Pilea pumila **   Pilea pumila **   Pilea pumila **   Pilea pumila **   -all-   17.5 % 6       -none- 4 Urtica gracilis Urtica gracilis **   Urtica gracilis **   Urtica gracilis **   Urtica gracilis **   Urtica gracilis **   Urtica gracilis **   Urtica gracilis **   Urtica gracilis **   -all-   17.5 % 6       -none- 5 Conium maculatum Conium maculatum **   Conium maculatum **   Conium maculatum **   Conium maculatum **   Conium maculatum **   Conium maculatum **   Conium maculatum **   Conium maculatum **   -all-   7.5 % 5       -none- 6 Persicaria longiseta Persicaria longiseta **   Persicaria longiseta **   Persicaria longiseta **   Persicaria longiseta **   Persicaria longiseta **   Persicaria longiseta **   Persicaria longiseta **   Persicaria longiseta **   -all-   7.5 % 5       -none- 7 Leersia virginica Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   -all-   3.5 % 4       -none- 8 Perilla frutescens Perilla frutescens **   Perilla frutescens **   Perilla frutescens **   Perilla frutescens **   Perilla frutescens **   Perilla frutescens **   Perilla frutescens **   Perilla frutescens **   -all-   3.5 % 4       -none- 9 Elymus virginicus var. virginicus Elymus virginicus var. virginicus **   Elymus virginicus var. virginicus **   Elymus virginicus var. virginicus **   Elymus virginicus var. virginicus **   Elymus virginicus var. virginicus **   Elymus virginicus var. virginicus **   Elymus virginicus var. virginicus **   Elymus virginicus var. virginicus **   -all-   3.5 % 4       -none- 10 Oxalis stricta Oxalis stricta **   Oxalis stricta **   Oxalis stricta **   Oxalis stricta **   Oxalis stricta **   Oxalis stricta **   Oxalis stricta **   Oxalis stricta **   -all-   1.5 % 3       -none- 11 Impatiens pallida Impatiens pallida **   Impatiens pallida **   Impatiens pallida **   Impatiens pallida **   Impatiens pallida **   Impatiens pallida **   Impatiens pallida **   Impatiens pallida **   -all-   1.5 % 3       -none- 12 Cryptotaenia canadensis Cryptotaenia canadensis **   Cryptotaenia canadensis **   Cryptotaenia canadensis **   Cryptotaenia canadensis **   Cryptotaenia canadensis **   Cryptotaenia canadensis **   Cryptotaenia canadensis **   Cryptotaenia canadensis **   -all-   1.5 % 3       -none- 13 Scrophularia marilandica Scrophularia marilandica **   Scrophularia marilandica **   Scrophularia marilandica **   Scrophularia marilandica **   Scrophularia marilandica **   Scrophularia marilandica **   Scrophularia marilandica **   Scrophularia marilandica **   -all-   1.5 % 3       -none- 14 Stellaria media Stellaria media **   Stellaria media **   Stellaria media **   Stellaria media **   Stellaria media **   Stellaria media **   Stellaria media **   Stellaria media **   -all-   1.5 % 3       -none- 15 Alliaria petiolata Alliaria petiolata **   Alliaria petiolata **   Alliaria petiolata **   Alliaria petiolata **   Alliaria petiolata **   Alliaria petiolata **   Alliaria petiolata **   Alliaria petiolata **   -all-   1.5 % 3       -none- 16 Veronica hederifolia Veronica hederifolia **   Veronica hederifolia **   Veronica hederifolia **   Veronica hederifolia **   Veronica hederifolia **   Veronica hederifolia **   Veronica hederifolia **   Veronica hederifolia **   -all-   1.5 % 3       -none- 17 Verbesina alternifolia Verbesina alternifolia **   Verbesina alternifolia **   Verbesina alternifolia **   Verbesina alternifolia **   Verbesina alternifolia **   Verbesina alternifolia **   Verbesina alternifolia **   Verbesina alternifolia **   -all-   1.5 % 3       -none- 18 Bidens frondosa Bidens frondosa **   Bidens frondosa **   Bidens frondosa **   Bidens frondosa **   Bidens frondosa **   Bidens frondosa **   Bidens frondosa **   Bidens frondosa **   -all-   0.505 % 2       -none- 19 Galium aparine Galium aparine **   Galium aparine **   Galium aparine **   Galium aparine **   Galium aparine **   Galium aparine **   Galium aparine **   Galium aparine **   -all-   0.505 % 2       -none- 20 Poa trivialis Poa trivialis **   Poa trivialis **   Poa trivialis **   Poa trivialis **   Poa trivialis **   Poa trivialis **   Poa trivialis **   Poa trivialis **   -all-   0.505 % 2       -none- 21 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-   0.505 % 2       -none- 22 Carex conjuncta Carex conjuncta **   Carex conjuncta **   Carex conjuncta **   Carex conjuncta **   Carex conjuncta **   Carex conjuncta **   Carex conjuncta **   Carex conjuncta **   -all-   0.505 % 2       -none- 23 Toxicodendron radicans Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   -all-   0.505 % 2       -none- 24 Boehmeria cylindrica Boehmeria cylindrica **   Boehmeria cylindrica **   Boehmeria cylindrica **   Boehmeria cylindrica **   Boehmeria cylindrica **   Boehmeria cylindrica **   Boehmeria cylindrica **   Boehmeria cylindrica **   -all-   0.505 % 2       -none- 25 Carya cordiformis Carya cordiformis **   Carya cordiformis **   Carya cordiformis **   Carya cordiformis **   Carya cordiformis **   Carya cordiformis **   Carya cordiformis **   Carya cordiformis **   -all-   0.505 % 2       -none- 26 Lysimachia ciliata Lysimachia ciliata **   Lysimachia ciliata **   Lysimachia ciliata **   Lysimachia ciliata **   Lysimachia ciliata **   Lysimachia ciliata **   Lysimachia ciliata **   Lysimachia ciliata **   -all-   0.505 % 2       -none- 27 Rumex altissimus Rumex altissimus **   Rumex altissimus **   Rumex altissimus **   Rumex altissimus **   Rumex altissimus **   Rumex altissimus **   Rumex altissimus **   Rumex altissimus **   -all-   0.505 % 2       -none- 28 Symphyotrichum lanceolatum var. lanceolatum Symphyotrichum lanceolatum var. lanceolatum **   Symphyotrichum lanceolatum var. lanceolatum **   Symphyotrichum lanceolatum var. lanceolatum **   Symphyotrichum lanceolatum var. lanceolatum **   Symphyotrichum lanceolatum var. lanceolatum **   Symphyotrichum lanceolatum var. lanceolatum **   Symphyotrichum lanceolatum var. lanceolatum **   Symphyotrichum lanceolatum var. lanceolatum **   -all-   0.505 % 2       -none- 29 Mentha piperita Mentha piperita **   Mentha piperita **   Mentha piperita **   Mentha piperita **   Mentha piperita **   Mentha piperita **   Mentha piperita **   Mentha piperita **   -all-   0.505 % 2       -none- 30 Humulus japonicus Humulus japonicus **   Humulus japonicus **   Humulus japonicus **   Humulus japonicus **   Humulus japonicus **   Humulus japonicus **   Humulus japonicus **   Humulus japonicus **   -all-   0.505 % 2       -none- 31 Persicaria virginiana Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   Persicaria virginiana **   -all-   0.505 % 2       -none- 32 Carex blanda Carex blanda **   Carex blanda **   Carex blanda **   Carex blanda **   Carex blanda **   Carex blanda **   Carex blanda **   Carex blanda **   -all-   0.505 % 2       -none- 33 Glechoma hederacea Glechoma hederacea **   Glechoma hederacea **   Glechoma hederacea **   Glechoma hederacea **   Glechoma hederacea **   Glechoma hederacea **   Glechoma hederacea **   Glechoma hederacea **   -all-   0.505 % 2       -none- 34 Acalypha rhomboidea Acalypha rhomboidea **   Acalypha rhomboidea **   Acalypha rhomboidea **   Acalypha rhomboidea **   Acalypha rhomboidea **   Acalypha rhomboidea **   Acalypha rhomboidea **   Acalypha rhomboidea **   -all-   0.505 % 2       -none- 35 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-   0.505 % 2       -none- 36 Ranunculus abortivus Ranunculus abortivus **   Ranunculus abortivus **   Ranunculus abortivus **   Ranunculus abortivus **   Ranunculus abortivus **   Ranunculus abortivus **   Ranunculus abortivus **   Ranunculus abortivus **   -all-   0.505 % 2       -none- 37 Solidago altissima ssp. altissima Solidago altissima ssp. altissima **   Solidago altissima ssp. altissima **   Solidago altissima ssp. altissima **   Solidago altissima ssp. altissima **   Solidago altissima ssp. altissima **   Solidago altissima ssp. altissima **   Solidago altissima ssp. altissima **   Solidago altissima ssp. altissima **   -all-   0.505 % 2       -none- 38 Dysphania ambrosioides Dysphania ambrosioides **   Dysphania ambrosioides **   Dysphania ambrosioides **   Dysphania ambrosioides **   Dysphania ambrosioides **   Dysphania ambrosioides **   Dysphania ambrosioides **   Dysphania ambrosioides **   -all-   0.05 % 1       -none- 39 Fraxinus pennsylvanica Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   Fraxinus pennsylvanica **   -all-   0.05 % 1       -none- 40 Rumex obtusifolius Rumex obtusifolius **   Rumex obtusifolius **   Rumex obtusifolius **   Rumex obtusifolius **   Rumex obtusifolius **   Rumex obtusifolius **   Rumex obtusifolius **   Rumex obtusifolius **   -all-   0.05 % 1       -none-
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Stratum Definitions:
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