085-GFNP-0031
» Citation URL: http://vegbank.org/cite/urn:lsid:cvs.bio.unc.edu:observation:13667-{20C7B681-289E-4D89-AE5C-E0D66C3A9E86} » Citing info
Plot ID Fields:
Author Plot Code	085-GFNP-0031
Author Observation Code	085-GFNP-0031
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	6.67 x 15 m
Area	100 m²
Permanence	not permanent
Environment Fields:
Elevation	24 m
Slope Aspect	350 º
Slope Gradient	19 º
Topographic Position	lower slope
Landform	bedrock outcrop
Hydrologic Regime	terrestrial (upland)
Soil Moisture Regime	xeric
Soil Drainage	rapidly drained
Methods Fields:
Observation Start Date	11-Sep-2003
Observation End Date	11-Sep-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	100 m²
Plot Quality Fields:
Plot Validation Level	(2) classification plot: sufficient for inclusion in a classification revision
Overall Plot Vegetation Fields:
Shrub Height	1.5 m
Field Height	1 m
Shrub Cover	7 %
Field Cover	8 %
Nonvascular Cover	85 %
Misc Fields:
Observation Narrative	Plot was positioned on a narrow, jutting, rock outcrop overlooking the Potomac River in Mather Gorge. Slope shape and aspect within the plot area are very irregular. The habitat is periodically scoured by large floods with an average return interval of 1 to 7 years. Grimmia laevigata and Xanthoparmelia cf. conspersa are the dominant non-vascular biota on rock surfaces.

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 Andropogon gerardii Andropogon gerardii **   Andropogon gerardii **   Andropogon gerardii **   Andropogon gerardii **   Andropogon gerardii **   Andropogon gerardii **   Andropogon gerardii **   Andropogon gerardii **   -all-   3.5 % 4       -none- 2 Phlox subulata Phlox subulata **   Phlox subulata **   Phlox subulata **   Phlox subulata **   Phlox subulata **   Phlox subulata **   Phlox subulata **   Phlox subulata **   -all-   3.5 % 4       -none- 3 Physocarpus opulifolius var. opulifolius Physocarpus opulifolius var. opulifolius **   Physocarpus opulifolius var. opulifolius **   Physocarpus opulifolius var. opulifolius **   Physocarpus opulifolius var. opulifolius **   Physocarpus opulifolius var. opulifolius **   Physocarpus opulifolius var. opulifolius **   Physocarpus opulifolius var. opulifolius **   Physocarpus opulifolius var. opulifolius **   -all-   3.5 % 4       -none- 4 Helianthus occidentalis ssp. occidentalis Helianthus occidentalis ssp. occidentalis **   Helianthus occidentalis ssp. occidentalis **   Helianthus occidentalis ssp. occidentalis **   Helianthus occidentalis ssp. occidentalis **   Helianthus occidentalis ssp. occidentalis **   Helianthus occidentalis ssp. occidentalis **   Helianthus occidentalis ssp. occidentalis **   Helianthus occidentalis ssp. occidentalis **   -all-   1.5 % 3       -none- 5 Acer rubrum Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   Acer rubrum **   -all-   1.5 % 3       -none- 6 Toxicodendron radicans Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   -all-   1.5 % 3       -none- 7 Solidago racemosa Solidago racemosa **   Solidago racemosa **   Solidago racemosa **   Solidago racemosa **   Solidago racemosa **   Solidago racemosa **   Solidago racemosa **   Solidago racemosa **   -all-   1.5 % 3       -none- 8 Eubotrys racemosa Eubotrys racemosa **   Eubotrys racemosa **   Eubotrys racemosa **   Eubotrys racemosa **   Eubotrys racemosa **   Eubotrys racemosa **   Eubotrys racemosa **   Eubotrys racemosa **   -all-   1.5 % 3       -none- 9 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- 10 Rhododendron periclymenoides Rhododendron periclymenoides **   Rhododendron periclymenoides **   Rhododendron periclymenoides **   Rhododendron periclymenoides **   Rhododendron periclymenoides **   Rhododendron periclymenoides **   Rhododendron periclymenoides **   Rhododendron periclymenoides **   -all-   1.5 % 3       -none- 11 Baptisia australis var. australis Baptisia australis var. australis **   Baptisia australis var. australis **   Baptisia australis var. australis **   Baptisia australis var. australis **   Baptisia australis var. australis **   Baptisia australis var. australis **   Baptisia australis var. australis **   Baptisia australis var. australis **   -all-   0.505 % 2       -none- 12 Microstegium vimineum Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   -all-   0.505 % 2       -none- 13 Polystichum acrostichoides Polystichum acrostichoides **   Polystichum acrostichoides **   Polystichum acrostichoides **   Polystichum acrostichoides **   Polystichum acrostichoides **   Polystichum acrostichoides **   Polystichum acrostichoides **   Polystichum acrostichoides **   -all-   0.505 % 2       -none- 14 Pycnanthemum tenuifolium Pycnanthemum tenuifolium **   Pycnanthemum tenuifolium **   Pycnanthemum tenuifolium **   Pycnanthemum tenuifolium **   Pycnanthemum tenuifolium **   Pycnanthemum tenuifolium **   Pycnanthemum tenuifolium **   Pycnanthemum tenuifolium **   -all-   0.505 % 2       -none- 15 Dichanthelium acuminatum var. acuminatum Dichanthelium acuminatum var. acuminatum **   Dichanthelium acuminatum var. acuminatum **   Dichanthelium acuminatum var. acuminatum **   Dichanthelium acuminatum var. acuminatum **   Dichanthelium acuminatum var. acuminatum **   Dichanthelium acuminatum var. acuminatum **   Dichanthelium acuminatum var. acuminatum **   Dichanthelium acuminatum var. acuminatum **   -all-   0.505 % 2       -none- 16 Potentilla canadensis var. canadensis Potentilla canadensis var. canadensis **   Potentilla canadensis var. canadensis **   Potentilla canadensis var. canadensis **   Potentilla canadensis var. canadensis **   Potentilla canadensis var. canadensis **   Potentilla canadensis var. canadensis **   Potentilla canadensis var. canadensis **   Potentilla canadensis var. canadensis **   -all-   0.505 % 2       -none- 17 Betula nigra Betula nigra **   Betula nigra **   Betula nigra **   Betula nigra **   Betula nigra **   Betula nigra **   Betula nigra **   Betula nigra **   -all-   0.505 % 2       -none- 18 Veronicastrum virginicum Veronicastrum virginicum **   Veronicastrum virginicum **   Veronicastrum virginicum **   Veronicastrum virginicum **   Veronicastrum virginicum **   Veronicastrum virginicum **   Veronicastrum virginicum **   Veronicastrum virginicum **   -all-   0.505 % 2       -none- 19 Vaccinium pallidum Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   Vaccinium pallidum **   -all-   0.505 % 2       -none- 20 Hypericum prolificum Hypericum prolificum **   Hypericum prolificum **   Hypericum prolificum **   Hypericum prolificum **   Hypericum prolificum **   Hypericum prolificum **   Hypericum prolificum **   Hypericum prolificum **   -all-   0.505 % 2       -none- 21 Hamamelis virginiana var. virginiana Hamamelis virginiana var. virginiana **   Hamamelis virginiana var. virginiana **   Hamamelis virginiana var. virginiana **   Hamamelis virginiana var. virginiana **   Hamamelis virginiana var. virginiana **   Hamamelis virginiana var. virginiana **   Hamamelis virginiana var. virginiana **   Hamamelis virginiana var. virginiana **   -all-   0.505 % 2       -none- 22 Solidago rupestris Solidago rupestris **   Solidago rupestris **   Solidago rupestris **   Solidago rupestris **   Solidago rupestris **   Solidago rupestris **   Solidago rupestris **   Solidago rupestris **   -all-   0.505 % 2       -none- 23 Ionactis linariifolia Ionactis linariifolia **   Ionactis linariifolia **   Ionactis linariifolia **   Ionactis linariifolia **   Ionactis linariifolia **   Ionactis linariifolia **   Ionactis linariifolia **   Ionactis linariifolia **   -all-   0.505 % 2       -none- 24 Lonicera japonica Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   -all-   0.505 % 2       -none- 25 Fraxinus americana Fraxinus americana **   Fraxinus americana **   Fraxinus americana **   Fraxinus americana **   Fraxinus americana **   Fraxinus americana **   Fraxinus americana **   Fraxinus americana **   -all-   0.505 % 2       -none- 26 Kalmia latifolia Kalmia latifolia **   Kalmia latifolia **   Kalmia latifolia **   Kalmia latifolia **   Kalmia latifolia **   Kalmia latifolia **   Kalmia latifolia **   Kalmia latifolia **   -all-   0.505 % 2       -none- 27 Aquilegia canadensis Aquilegia canadensis **   Aquilegia canadensis **   Aquilegia canadensis **   Aquilegia canadensis **   Aquilegia canadensis **   Aquilegia canadensis **   Aquilegia canadensis **   Aquilegia canadensis **   -all-   0.505 % 2       -none- 28 Symphyotrichum lateriflorum Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   Symphyotrichum lateriflorum **   -all-   0.505 % 2       -none- 29 Zizia aurea Zizia aurea **   Zizia aurea **   Zizia aurea **   Zizia aurea **   Zizia aurea **   Zizia aurea **   Zizia aurea **   Zizia aurea **   -all-   0.505 % 2       -none- 30 Achillea millefolium Achillea millefolium **   Achillea millefolium **   Achillea millefolium **   Achillea millefolium **   Achillea millefolium **   Achillea millefolium **   Achillea millefolium **   Achillea millefolium **   -all-   0.505 % 2       -none- 31 Cerastium velutinum var. velutinum Cerastium velutinum var. velutinum **   Cerastium velutinum var. velutinum **   Cerastium velutinum var. velutinum **   Cerastium velutinum var. velutinum **   Cerastium velutinum var. velutinum **   Cerastium velutinum var. velutinum **   Cerastium velutinum var. velutinum **   Cerastium velutinum var. velutinum **   -all-   0.505 % 2       -none- 32 Carex pensylvanica Carex pensylvanica **   Carex pensylvanica **   Carex pensylvanica **   Carex pensylvanica **   Carex pensylvanica **   Carex pensylvanica **   Carex pensylvanica **   Carex pensylvanica **   -all-   0.505 % 2       -none- 33 Euphorbia corollata Euphorbia corollata **   Euphorbia corollata **   Euphorbia corollata **   Euphorbia corollata **   Euphorbia corollata **   Euphorbia corollata **   Euphorbia corollata **   Euphorbia corollata **   -all-   0.505 % 2       -none- 34 Allium cernuum Allium cernuum **   Allium cernuum **   Allium cernuum **   Allium cernuum **   Allium cernuum **   Allium cernuum **   Allium cernuum **   Allium cernuum **   -all-   0.05 % 1       -none- 35 Setaria viridis var. viridis Setaria viridis var. viridis **   Setaria viridis var. viridis **   Setaria viridis var. viridis **   Setaria viridis var. viridis **   Setaria viridis var. viridis **   Setaria viridis var. viridis **   Setaria viridis var. viridis **   Setaria viridis var. viridis **   -all-   0.05 % 1       -none- 36 Acalypha rhomboidea Acalypha rhomboidea **   Acalypha rhomboidea **   Acalypha rhomboidea **   Acalypha rhomboidea **   Acalypha rhomboidea **   Acalypha rhomboidea **   Acalypha rhomboidea **   Acalypha rhomboidea **   -all-   0.05 % 1       -none-
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Stratum Definitions:
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