085-MADS-0010
» Citation URL: http://vegbank.org/cite/urn:lsid:cvs.bio.unc.edu:observation:14680-{5DF0BA51-78DE-47C5-BA15-5866BE134001} » Citing info
Plot ID Fields:
Author Plot Code	085-MADS-0010
Author Observation Code	085-MADS-0010
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	36 m
Slope Aspect	287 º
Slope Gradient	13 º
Topographic Position	crest/interfluve
Landform	bedrock outcrop
Hydrologic Regime	terrestrial (upland)
Soil Moisture Regime	xeric
Soil Drainage	rapidly drained
Methods Fields:
Observation Start Date	20-May-2003
Observation End Date	20-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	12 m
Shrub Height	3 m
Field Height	8 m
Tree Cover	60 %
Shrub Cover	15 %
Field Cover	30 %
Nonvascular Cover	70 %
Misc Fields:
Observation Narrative	Xeric Pinus virginiana-dominated woodland on rimrock of old river terrace. Non-vascular lithophytic species here include Xanthoparmelia cf. conspersa (dominant), Polytrichum sp. (dominant), Cladonia cf. stellaris, Flavoparmelia baltimorensis, Cladonia subtenuis, Leucobryum sp., Bryum sp., and Dimelaena oreina.

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 Pinus virginiana Pinus virginiana **   Pinus virginiana **   Pinus virginiana **   Pinus virginiana **   Pinus virginiana **   Pinus virginiana **   Pinus virginiana **   Pinus virginiana **   -all-   62.5 % 8       DBH DBH err Ht. Ht. Err # 3.75 cm ± 1.25 cm     3 stem(s) 7.5 cm ± 2.5 cm     2 stem(s) 12.5 cm ± 2.5 cm     7 stem(s) 17.5 cm ± 2.5 cm     4 stem(s) 22.5 cm ± 2.5 cm     5 stem(s) 2 Vaccinium stamineum Vaccinium stamineum **   Vaccinium stamineum **   Vaccinium stamineum **   Vaccinium stamineum **   Vaccinium stamineum **   Vaccinium stamineum **   Vaccinium stamineum **   Vaccinium stamineum **   -all-   17.5 % 6       -none- 3 Chionanthus virginicus Chionanthus virginicus **   Chionanthus virginicus **   Chionanthus virginicus **   Chionanthus virginicus **   Chionanthus virginicus **   Chionanthus virginicus **   Chionanthus virginicus **   Chionanthus virginicus **   -all-   7.5 % 5       DBH DBH err Ht. Ht. Err # 3.75 cm ± 1.25 cm     10 stem(s) 4 Juniperus virginiana var. virginiana Juniperus virginiana var. virginiana **   Juniperus virginiana var. virginiana **   Juniperus virginiana var. virginiana **   Juniperus virginiana var. virginiana **   Juniperus virginiana var. virginiana **   Juniperus virginiana var. virginiana **   Juniperus virginiana var. virginiana **   Juniperus virginiana var. virginiana **   -all-   7.5 % 5       DBH DBH err Ht. Ht. Err # 3.75 cm ± 1.25 cm     1 stem(s) 7.5 cm ± 2.5 cm     6 stem(s) 12.5 cm ± 2.5 cm     3 stem(s) 17.5 cm ± 2.5 cm     4 stem(s) 5 Vaccinium pallidum Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   -all-   3.5 % 4       -none- 6 Quercus montana Quercus montana **   Quercus montana **   Quercus montana **   Quercus montana **   Quercus montana **   Quercus montana **   Quercus montana **   Quercus montana **   -all-   3.5 % 4       DBH DBH err Ht. Ht. Err # 3.75 cm ± 1.25 cm     1 stem(s) 7 Danthonia spicata Danthonia spicata **   Danthonia spicata **   Danthonia spicata **   Danthonia spicata **   Danthonia spicata **   Danthonia spicata **   Danthonia spicata **   Danthonia spicata **   -all-   1.5 % 3       -none- 8 Piptochaetium avenaceum Piptochaetium avenaceum **   Piptochaetium avenaceum **   Piptochaetium avenaceum **   Piptochaetium avenaceum **   Piptochaetium avenaceum **   Piptochaetium avenaceum **   Piptochaetium avenaceum **   Piptochaetium avenaceum **   -all-   1.5 % 3       -none- 9 Quercus rubra Quercus rubra **   Quercus rubra **   Quercus rubra **   Quercus rubra **   Quercus rubra **   Quercus rubra **   Quercus rubra **   Quercus rubra **   -all-   1.5 % 3       DBH DBH err Ht. Ht. Err # 17.5 cm ± 2.5 cm     1 stem(s) 10 Schizachyrium scoparium var. scoparium Schizachyrium scoparium var. scoparium **   Schizachyrium scoparium var. scoparium **   Schizachyrium scoparium var. scoparium **   Schizachyrium scoparium var. scoparium **   Schizachyrium scoparium var. scoparium **   Schizachyrium scoparium var. scoparium **   Schizachyrium scoparium var. scoparium **   Schizachyrium scoparium var. scoparium **   -all-   1.5 % 3       -none- 11 Smilax glauca Smilax glauca **   Smilax glauca **   Smilax glauca **   Smilax glauca **   Smilax glauca **   Smilax glauca **   Smilax glauca **   Smilax glauca **   -all-   1.5 % 3       -none- 12 Carex nigromarginata Carex nigromarginata **   Carex nigromarginata **   Carex nigromarginata **   Carex nigromarginata **   Carex nigromarginata **   Carex nigromarginata **   Carex nigromarginata **   Carex nigromarginata **   -all-   0.505 % 2       -none- 13 Microstegium vimineum Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   -all-   0.505 % 2       -none- 14 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- 15 Andropogon virginicus var. virginicus Andropogon virginicus var. virginicus **   Andropogon virginicus var. virginicus **   Andropogon virginicus var. virginicus **   Andropogon virginicus var. virginicus **   Andropogon virginicus var. virginicus **   Andropogon virginicus var. virginicus **   Andropogon virginicus var. virginicus **   Andropogon virginicus var. virginicus **   -all-   0.505 % 2       -none- 16 Erechtites hieraciifolius Erechtites hieraciifolius **   Erechtites hieraciifolius **   Erechtites hieraciifolius **   Erechtites hieraciifolius **   Erechtites hieraciifolius **   Erechtites hieraciifolius **   Erechtites hieraciifolius **   Erechtites hieraciifolius **   -all-   0.505 % 2       -none- 17 Digitaria ischaemum Digitaria ischaemum **   Digitaria ischaemum **   Digitaria ischaemum **   Digitaria ischaemum **   Digitaria ischaemum **   Digitaria ischaemum **   Digitaria ischaemum **   Digitaria ischaemum **   -all-   0.505 % 2       -none- 18 Carex pensylvanica Carex pensylvanica **   Carex pensylvanica **   Carex pensylvanica **   Carex pensylvanica **   Carex pensylvanica **   Carex pensylvanica **   Carex pensylvanica **   Carex pensylvanica **   -all-   0.505 % 2       -none- 19 Eupatorium serotinum Eupatorium serotinum **   Eupatorium serotinum **   Eupatorium serotinum **   Eupatorium serotinum **   Eupatorium serotinum **   Eupatorium serotinum **   Eupatorium serotinum **   Eupatorium serotinum **   -all-   0.505 % 2       -none- 20 Dichanthelium dichotomum var. dichotomum Dichanthelium dichotomum var. dichotomum **   Dichanthelium dichotomum var. dichotomum **   Dichanthelium dichotomum var. dichotomum **   Dichanthelium dichotomum var. dichotomum **   Dichanthelium dichotomum var. dichotomum **   Dichanthelium dichotomum var. dichotomum **   Dichanthelium dichotomum var. dichotomum **   Dichanthelium dichotomum var. dichotomum **   -all-   0.505 % 2       -none- 21 Mitchella repens Mitchella repens **   Mitchella repens **   Mitchella repens **   Mitchella repens **   Mitchella repens **   Mitchella repens **   Mitchella repens **   Mitchella repens **   -all-   0.05 % 1       -none- 22 Amelanchier arborea Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   Amelanchier arborea **   -all-   0.05 % 1       -none- 23 Carya glabra Carya glabra **   Carya glabra **   Carya glabra **   Carya glabra **   Carya glabra **   Carya glabra **   Carya glabra **   Carya glabra **   -all-   0.05 % 1       -none- 24 Parthenocissus quinquefolia Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   -all-   0.05 % 1       -none- 25 Prunus serotina var. serotina Prunus serotina var. serotina **   Prunus serotina var. serotina **   Prunus serotina var. serotina **   Prunus serotina var. serotina **   Prunus serotina var. serotina **   Prunus serotina var. serotina **   Prunus serotina var. serotina **   Prunus serotina var. serotina **   -all-   0.05 % 1       -none- 26 Polygonatum biflorum var. biflorum Polygonatum biflorum var. biflorum **   Polygonatum biflorum var. biflorum **   Polygonatum biflorum var. biflorum **   Polygonatum biflorum var. biflorum **   Polygonatum biflorum var. biflorum **   Polygonatum biflorum var. biflorum **   Polygonatum biflorum var. biflorum **   Polygonatum biflorum var. biflorum **   -all-   0.05 % 1       -none- 27 Acer rubrum Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   -all-   0.05 % 1       -none- 28 Rubus sp. Rubus sp. **   Rubus sp. **   Rubus sp. **   Rubus sp. **   Rubus sp. **   Rubus sp. **   Rubus sp. **   Rubus sp. **   -all-   0.05 % 1       -none- 29 Toxicodendron radicans Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   -all-   0.05 % 1       -none-
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Stratum Definitions:
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