085-ROCB-0012
» Citation URL: http://vegbank.org/cite/urn:lsid:cvs.bio.unc.edu:observation:17153-{39D27DBC-0A81-442B-8986-F09544A98147} » Citing info
Plot ID Fields:
Author Plot Code	085-ROCB-0012
Author Observation Code	085-ROCB-0012
Location Fields:	MAP: Google | Yahoo | TopoZone | MapQuest
Location Accuracy	10 m
Confidentiality Status	100 km radius (nearest degree)
Latitude	38 º
Longitude	-79 º
State or Province	Virginia
Named Places	county: Rockbridge region|state|province: Virginia
Layout Fields:
DSG Polygon	8 x 12.5 m
Area	100 m²
Permanence	not permanent
Environment Fields:
Elevation	337 m
Slope Aspect	290 º
Slope Gradient	6 º
Topographic Position	upper slope
Landform	bedrock outcrop
Hydrologic Regime	terrestrial (upland)
Soil Moisture Regime	xeric
Soil Drainage	rapidly drained
Methods Fields:
Observation Start Date	03-Sep-2014
Observation End Date	03-Sep-2014
Project	Virginia Heritage
Cover Method	Carolina Vegetation Survey
Stratum Method	No Strata
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
Plot Quality Fields:
Plot Validation Level	(2) classification plot: sufficient for inclusion in a classification revision
Overall Plot Vegetation Fields:
Shrub Height	1.29999995231628 m
Field Height	1 m
Shrub Cover	3 %
Field Cover	50 %
Nonvascular Cover	10 %
Misc Fields:
Observation Narrative	The plot (along with ROCB013 and ROCB014) is representative of many small, nearly level, limestone "flatrock" openings occurring in a matrix of disturbed limestone forests and residential areas just east of Lexington. Although heavily disturbed in the past, these flat bedrock "glades" are unique in Virginia and have their closest affinity with the Cedar Glades of Tennessee. Vegetation is a curious mix of low perennial forbs and annual graminoides, sometimes with dense islands or marginal thickets of Juniperus virginiana. At least two species new to the Virginia flora (Sedum pulchellum and Scutellaria parvula) were found here during the summer of 2014. This particular sample is almost entirely herbaceous, with Allium cernuum, Packera anonyma, Panicum flexile, Sporobolus vaginiflorus, and Trichostema brachiatum contributing the highest covers.

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 Sporobolus vaginiflorus Sporobolus vaginiflorus **   Sporobolus vaginiflorus **   Sporobolus vaginiflorus **   Sporobolus vaginiflorus **   Sporobolus vaginiflorus **   Sporobolus vaginiflorus **   Sporobolus vaginiflorus **   Sporobolus vaginiflorus **   -all-   17.5 % 6       -none- 2 Allium cernuum Allium cernuum **   Allium cernuum **   Allium cernuum **   Allium cernuum **   Allium cernuum **   Allium cernuum **   Allium cernuum **   Allium cernuum **   -all-   17.5 % 6       -none- 3 Packera anonyma Packera anonyma **   Packera anonyma **   Packera anonyma **   Packera anonyma **   Packera anonyma **   Packera anonyma **   Packera anonyma **   Packera anonyma **   -all-   3.5 % 4       -none- 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-   3.5 % 4       -none- 5 Panicum flexile Panicum flexile **   Panicum flexile **   Panicum flexile **   Panicum flexile **   Panicum flexile **   Panicum flexile **   Panicum flexile **   Panicum flexile **   -all-   3.5 % 4       -none- 6 Trichostema brachiatum Trichostema brachiatum **   Trichostema brachiatum **   Trichostema brachiatum **   Trichostema brachiatum **   Trichostema brachiatum **   Trichostema brachiatum **   Trichostema brachiatum **   Trichostema brachiatum **   -all-   3.5 % 4       -none- 7 Tridens flavus Tridens flavus **   Tridens flavus **   Tridens flavus **   Tridens flavus **   Tridens flavus **   Tridens flavus **   Tridens flavus **   Tridens flavus **   -all-   1.5 % 3       -none- 8 Dichanthelium acuminatum Dichanthelium acuminatum **   Dichanthelium acuminatum **   Dichanthelium acuminatum **   Dichanthelium acuminatum **   Dichanthelium acuminatum **   Dichanthelium acuminatum **   Dichanthelium acuminatum **   Dichanthelium acuminatum **   -all-   1.5 % 3       -none- 9 Carex complanata Carex complanata **   Carex complanata **   Carex complanata **   Carex complanata **   Carex complanata **   Carex complanata **   Carex complanata **   Carex complanata **   -all-   0.505 % 2       -none- 10 Daucus carota Daucus carota **   Daucus carota **   Daucus carota **   Daucus carota **   Daucus carota **   Daucus carota **   Daucus carota **   Daucus carota **   -all-   0.505 % 2       -none- 11 Leucanthemum vulgare Leucanthemum vulgare **   Leucanthemum vulgare **   Leucanthemum vulgare **   Leucanthemum vulgare **   Leucanthemum vulgare **   Leucanthemum vulgare **   Leucanthemum vulgare **   Leucanthemum vulgare **   -all-   0.505 % 2       -none- 12 Rhus aromatica var. aromatica Rhus aromatica var. aromatica **   Rhus aromatica var. aromatica **   Rhus aromatica var. aromatica **   Rhus aromatica var. aromatica **   Rhus aromatica var. aromatica **   Rhus aromatica var. aromatica **   Rhus aromatica var. aromatica **   Rhus aromatica var. aromatica **   -all-   0.505 % 2       -none- 13 Symphoricarpos orbiculatus Symphoricarpos orbiculatus **   Symphoricarpos orbiculatus **   Symphoricarpos orbiculatus **   Symphoricarpos orbiculatus **   Symphoricarpos orbiculatus **   Symphoricarpos orbiculatus **   Symphoricarpos orbiculatus **   Symphoricarpos orbiculatus **   -all-   0.505 % 2       -none- 14 Cuphea viscosissima Cuphea viscosissima **   Cuphea viscosissima **   Cuphea viscosissima **   Cuphea viscosissima **   Cuphea viscosissima **   Cuphea viscosissima **   Cuphea viscosissima **   Cuphea viscosissima **   -all-   0.505 % 2       -none- 15 Ambrosia artemisiifolia Ambrosia artemisiifolia **   Ambrosia artemisiifolia **   Ambrosia artemisiifolia **   Ambrosia artemisiifolia **   Ambrosia artemisiifolia **   Ambrosia artemisiifolia **   Ambrosia artemisiifolia **   Ambrosia artemisiifolia **   -all-   0.505 % 2       -none- 16 Cercis canadensis var. canadensis Cercis canadensis var. canadensis **   Cercis canadensis var. canadensis **   Cercis canadensis var. canadensis **   Cercis canadensis var. canadensis **   Cercis canadensis var. canadensis **   Cercis canadensis var. canadensis **   Cercis canadensis var. canadensis **   Cercis canadensis var. canadensis **   -all-   0.505 % 2       -none- 17 Symphyotrichum pilosum var. pilosum Symphyotrichum pilosum var. pilosum **   Symphyotrichum pilosum var. pilosum **   Symphyotrichum pilosum var. pilosum **   Symphyotrichum pilosum var. pilosum **   Symphyotrichum pilosum var. pilosum **   Symphyotrichum pilosum var. pilosum **   Symphyotrichum pilosum var. pilosum **   Symphyotrichum pilosum var. pilosum **   -all-   0.505 % 2       -none- 18 Fraxinus americana Fraxinus americana **   Fraxinus americana **   Fraxinus americana **   Fraxinus americana **   Fraxinus americana **   Fraxinus americana **   Fraxinus americana **   Fraxinus americana **   -all-   0.505 % 2       -none- 19 Euphorbia dentata Euphorbia dentata **   Euphorbia dentata **   Euphorbia dentata **   Euphorbia dentata **   Euphorbia dentata **   Euphorbia dentata **   Euphorbia dentata **   Euphorbia dentata **   -all-   0.505 % 2       -none- 20 Kummerowia stipulacea Kummerowia stipulacea **   Kummerowia stipulacea **   Kummerowia stipulacea **   Kummerowia stipulacea **   Kummerowia stipulacea **   Kummerowia stipulacea **   Kummerowia stipulacea **   Kummerowia stipulacea **   -all-   0.505 % 2       -none- 21 Asclepias verticillata Asclepias verticillata **   Asclepias verticillata **   Asclepias verticillata **   Asclepias verticillata **   Asclepias verticillata **   Asclepias verticillata **   Asclepias verticillata **   Asclepias verticillata **   -all-   0.505 % 2       -none- 22 Celtis occidentalis Celtis occidentalis **   Celtis occidentalis **   Celtis occidentalis **   Celtis occidentalis **   Celtis occidentalis **   Celtis occidentalis **   Celtis occidentalis **   Celtis occidentalis **   -all-   0.505 % 2       -none- 23 Trifolium virginicum Trifolium virginicum **   Trifolium virginicum **   Trifolium virginicum **   Trifolium virginicum **   Trifolium virginicum **   Trifolium virginicum **   Trifolium virginicum **   Trifolium virginicum **   -all-   0.505 % 2       -none- 24 Scutellaria leonardii Scutellaria leonardii **   Scutellaria leonardii **   Scutellaria leonardii **   Scutellaria leonardii **   Scutellaria leonardii **   Scutellaria leonardii **   Scutellaria leonardii **   Scutellaria leonardii **   -all-   0.505 % 2       -none- 25 Minuartia patula Minuartia patula **   Minuartia patula **   Minuartia patula **   Minuartia patula **   Minuartia patula **   Minuartia patula **   Minuartia patula **   Minuartia patula **   -all-   0.05 % 1       -none- 26 Oxalis stricta Oxalis stricta **   Oxalis stricta **   Oxalis stricta **   Oxalis stricta **   Oxalis stricta **   Oxalis stricta **   Oxalis stricta **   Oxalis stricta **   -all-   0.05 % 1       -none- 27 Parthenocissus quinquefolia Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   -all-   0.05 % 1       -none- 28 Hedeoma pulegioides Hedeoma pulegioides **   Hedeoma pulegioides **   Hedeoma pulegioides **   Hedeoma pulegioides **   Hedeoma pulegioides **   Hedeoma pulegioides **   Hedeoma pulegioides **   Hedeoma pulegioides **   -all-   0.05 % 1       -none- 29 Sedum pulchellum Sedum pulchellum **   Sedum pulchellum **   Sedum pulchellum **   Sedum pulchellum **   Sedum pulchellum **   Sedum pulchellum **   Sedum pulchellum **   Sedum pulchellum **   -all-   0.05 % 1       -none- 30 Sisyrinchium mucronatum Sisyrinchium mucronatum **   Sisyrinchium mucronatum **   Sisyrinchium mucronatum **   Sisyrinchium mucronatum **   Sisyrinchium mucronatum **   Sisyrinchium mucronatum **   Sisyrinchium mucronatum **   Sisyrinchium mucronatum **   -all-   0.05 % 1       -none- 31 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-   0.05 % 1       -none- 32 Verbena simplex Verbena simplex **   Verbena simplex **   Verbena simplex **   Verbena simplex **   Verbena simplex **   Verbena simplex **   Verbena simplex **   Verbena simplex **   -all-   0.05 % 1       -none- 33 Quercus shumardii Quercus shumardii **   Quercus shumardii **   Quercus shumardii **   Quercus shumardii **   Quercus shumardii **   Quercus shumardii **   Quercus shumardii **   Quercus shumardii **   -all-   0.05 % 1       -none- 34 Galium pilosum Galium pilosum **   Galium pilosum **   Galium pilosum **   Galium pilosum **   Galium pilosum **   Galium pilosum **   Galium pilosum **   Galium pilosum **   -all-   0.05 % 1       -none- 35 Medicago lupulina Medicago lupulina **   Medicago lupulina **   Medicago lupulina **   Medicago lupulina **   Medicago lupulina **   Medicago lupulina **   Medicago lupulina **   Medicago lupulina **   -all-   0.05 % 1       -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-
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Stratum Definitions:
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