085-MNBP-0037
» Citation URL: http://vegbank.org/cite/urn:lsid:cvs.bio.unc.edu:observation:14879-{849BC1B8-D79E-4CBF-899C-AEF444A5DF8D} » Citing info
Plot ID Fields:
Author Plot Code	085-MNBP-0037
Author Observation Code	085-MNBP-0037
Location Fields:	MAP: Google | Yahoo | TopoZone | MapQuest
Location Accuracy	100 m
Confidentiality Status	100 km radius (nearest degree)
Latitude	39 º
Longitude	-78 º
State or Province	Virginia
Named Places	county: Prince William region|state|province: Virginia
Layout Fields:
DSG Polygon	5 x 20 m
Area	100 m²
Permanence	not permanent
Environment Fields:
Elevation	57 m
Slope Aspect	32 º
Slope Gradient	56 º
Topographic Position	lower slope
Landform	cliff/escarpment/face
Hydrologic Regime	terrestrial (upland)
Soil Moisture Regime	mesic
Soil Drainage	well drained
Methods Fields:
Observation Start Date	31-May-2005
Observation End Date	31-May-2005
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:
Tree Height	10 m
Shrub Height	1.5 m
Field Height	5 m
Tree Cover	25 %
Shrub Cover	10 %
Field Cover	45 %
Nonvascular Cover	65 %
Misc Fields:
Observation Narrative	Triassic siltstone cliff face with eroding soil pockets. Site has been formed by downcutting of Bull Run and has very irregular microtopography. Shaded by overhanging trees. Rock-face vegetation dominated by lithophytic species, e.g., Polypodium virginianum, Hydrangea arborescens, Dryopteris marginalis, Sedum ternatum.

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 Polypodium virginianum Polypodium virginianum **   Polypodium virginianum **   Polypodium virginianum **   Polypodium virginianum **   Polypodium virginianum **   Polypodium virginianum **   Polypodium virginianum **   Polypodium virginianum **   -all-   17.5 % 6       -none- 2 Hydrangea arborescens Hydrangea arborescens **   Hydrangea arborescens **   Hydrangea arborescens **   Hydrangea arborescens **   Hydrangea arborescens **   Hydrangea arborescens **   Hydrangea arborescens **   Hydrangea arborescens **   -all-   7.5 % 5       -none- 3 Stellaria media Stellaria media **   Stellaria media **   Stellaria media **   Stellaria media **   Stellaria media **   Stellaria media **   Stellaria media **   Stellaria media **   -all-   3.5 % 4       -none- 4 Toxicodendron radicans Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   Toxicodendron radicans **   -all-   3.5 % 4       -none- 5 Tsuga canadensis Tsuga canadensis **   Tsuga canadensis **   Tsuga canadensis **   Tsuga canadensis **   Tsuga canadensis **   Tsuga canadensis **   Tsuga canadensis **   Tsuga canadensis **   -all-   3.5 % 4       DBH DBH err Ht. Ht. Err # 12.5 cm ± 2.5 cm     2 stem(s) 17.5 cm ± 2.5 cm     1 stem(s) 6 Ostrya virginiana Ostrya virginiana **   Ostrya virginiana **   Ostrya virginiana **   Ostrya virginiana **   Ostrya virginiana **   Ostrya virginiana **   Ostrya virginiana **   Ostrya virginiana **   -all-   3.5 % 4       DBH DBH err Ht. Ht. Err # 12.5 cm ± 2.5 cm     2 stem(s) 7 Dryopteris marginalis Dryopteris marginalis **   Dryopteris marginalis **   Dryopteris marginalis **   Dryopteris marginalis **   Dryopteris marginalis **   Dryopteris marginalis **   Dryopteris marginalis **   Dryopteris marginalis **   -all-   3.5 % 4       -none- 8 Impatiens sp. Impatiens sp. **   Impatiens sp. **   Impatiens sp. **   Impatiens sp. **   Impatiens sp. **   Impatiens sp. **   Impatiens sp. **   Impatiens sp. **   -all-   3.5 % 4       -none- 9 Sedum ternatum Sedum ternatum **   Sedum ternatum **   Sedum ternatum **   Sedum ternatum **   Sedum ternatum **   Sedum ternatum **   Sedum ternatum **   Sedum ternatum **   -all-   3.5 % 4       -none- 10 Symphyotrichum cordifolium Symphyotrichum cordifolium **   Symphyotrichum cordifolium **   Symphyotrichum cordifolium **   Symphyotrichum cordifolium **   Symphyotrichum cordifolium **   Symphyotrichum cordifolium **   Symphyotrichum cordifolium **   Symphyotrichum cordifolium **   -all-   1.5 % 3       -none- 11 Viburnum acerifolium Viburnum acerifolium **   Viburnum acerifolium **   Viburnum acerifolium **   Viburnum acerifolium **   Viburnum acerifolium **   Viburnum acerifolium **   Viburnum acerifolium **   Viburnum acerifolium **   -all-   1.5 % 3       -none- 12 Pilea pumila Pilea pumila **   Pilea pumila **   Pilea pumila **   Pilea pumila **   Pilea pumila **   Pilea pumila **   Pilea pumila **   Pilea pumila **   -all-   1.5 % 3       -none- 13 Microstegium vimineum Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   Microstegium vimineum **   -all-   1.5 % 3       -none- 14 Asplenium trichomanes Asplenium trichomanes **   Asplenium trichomanes **   Asplenium trichomanes **   Asplenium trichomanes **   Asplenium trichomanes **   Asplenium trichomanes **   Asplenium trichomanes **   Asplenium trichomanes **   -all-   0.505 % 2       -none- 15 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- 16 Carex laxiflora Carex laxiflora **   Carex laxiflora **   Carex laxiflora **   Carex laxiflora **   Carex laxiflora **   Carex laxiflora **   Carex laxiflora **   Carex laxiflora **   -all-   0.505 % 2       -none- 17 Elymus virginicus Elymus virginicus **   Elymus virginicus **   Elymus virginicus **   Elymus virginicus **   Elymus virginicus **   Elymus virginicus **   Elymus virginicus **   Elymus virginicus **   -all-   0.505 % 2       -none- 18 Geum canadense Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   Geum canadense **   -all-   0.505 % 2       -none- 19 Ranunculus abortivus Ranunculus abortivus **   Ranunculus abortivus **   Ranunculus abortivus **   Ranunculus abortivus **   Ranunculus abortivus **   Ranunculus abortivus **   Ranunculus abortivus **   Ranunculus abortivus **   -all-   0.505 % 2       -none- 20 Viola sororia Viola sororia **   Viola sororia **   Viola sororia **   Viola sororia **   Viola sororia **   Viola sororia **   Viola sororia **   Viola sororia **   -all-   0.505 % 2       -none- 21 Micranthes virginiensis Micranthes virginiensis **   Micranthes virginiensis **   Micranthes virginiensis **   Micranthes virginiensis **   Micranthes virginiensis **   Micranthes virginiensis **   Micranthes virginiensis **   Micranthes virginiensis **   -all-   0.505 % 2       -none- 22 Cardamine concatenata Cardamine concatenata **   Cardamine concatenata **   Cardamine concatenata **   Cardamine concatenata **   Cardamine concatenata **   Cardamine concatenata **   Cardamine concatenata **   Cardamine concatenata **   -all-   0.505 % 2       -none- 23 Woodsia obtusa ssp. obtusa Woodsia obtusa ssp. obtusa **   Woodsia obtusa ssp. obtusa **   Woodsia obtusa ssp. obtusa **   Woodsia obtusa ssp. obtusa **   Woodsia obtusa ssp. obtusa **   Woodsia obtusa ssp. obtusa **   Woodsia obtusa ssp. obtusa **   Woodsia obtusa ssp. obtusa **   -all-   0.505 % 2       -none- 24 Cardamine hirsuta Cardamine hirsuta **   Cardamine hirsuta **   Cardamine hirsuta **   Cardamine hirsuta **   Cardamine hirsuta **   Cardamine hirsuta **   Cardamine hirsuta **   Cardamine hirsuta **   -all-   0.505 % 2       -none- 25 Solidago caesia var. caesia Solidago caesia var. caesia **   Solidago caesia var. caesia **   Solidago caesia var. caesia **   Solidago caesia var. caesia **   Solidago caesia var. caesia **   Solidago caesia var. caesia **   Solidago caesia var. caesia **   Solidago caesia var. caesia **   -all-   0.505 % 2       -none- 26 Lonicera maackii Lonicera maackii **   Lonicera maackii **   Lonicera maackii **   Lonicera maackii **   Lonicera maackii **   Lonicera maackii **   Lonicera maackii **   Lonicera maackii **   -all-   0.505 % 2       -none- 27 Sanicula canadensis Sanicula canadensis **   Sanicula canadensis **   Sanicula canadensis **   Sanicula canadensis **   Sanicula canadensis **   Sanicula canadensis **   Sanicula canadensis **   Sanicula canadensis **   -all-   0.505 % 2       -none- 28 Alliaria petiolata Alliaria petiolata **   Alliaria petiolata **   Alliaria petiolata **   Alliaria petiolata **   Alliaria petiolata **   Alliaria petiolata **   Alliaria petiolata **   Alliaria petiolata **   -all-   0.505 % 2       -none- 29 Parthenocissus quinquefolia Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   Parthenocissus quinquefolia **   -all-   0.505 % 2       -none- 30 Persicaria longiseta Persicaria longiseta **   Persicaria longiseta **   Persicaria longiseta **   Persicaria longiseta **   Persicaria longiseta **   Persicaria longiseta **   Persicaria longiseta **   Persicaria longiseta **   -all-   0.505 % 2       -none- 31 Fraxinus americana Fraxinus americana **   Fraxinus americana **   Fraxinus americana **   Fraxinus americana **   Fraxinus americana **   Fraxinus americana **   Fraxinus americana **   Fraxinus americana **   -all-   0.505 % 2       -none- 32 Quercus rubra Quercus rubra **   Quercus rubra **   Quercus rubra **   Quercus rubra **   Quercus rubra **   Quercus rubra **   Quercus rubra **   Quercus rubra **   -all-   0.505 % 2       -none- 33 Asimina triloba Asimina triloba **   Asimina triloba **   Asimina triloba **   Asimina triloba **   Asimina triloba **   Asimina triloba **   Asimina triloba **   Asimina triloba **   -all-   0.505 % 2       -none- 34 Eurybia schreberi Eurybia schreberi **   Eurybia schreberi **   Eurybia schreberi **   Eurybia schreberi **   Eurybia schreberi **   Eurybia schreberi **   Eurybia schreberi **   Eurybia schreberi **   -all-   0.505 % 2       -none- 35 Lonicera japonica Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   -all-   0.505 % 2       -none- 36 Carpinus caroliniana Carpinus caroliniana **   Carpinus caroliniana **   Carpinus caroliniana **   Carpinus caroliniana **   Carpinus caroliniana **   Carpinus caroliniana **   Carpinus caroliniana **   Carpinus caroliniana **   -all-   0.505 % 2       -none- 37 Celastrus orbiculatus Celastrus orbiculatus **   Celastrus orbiculatus **   Celastrus orbiculatus **   Celastrus orbiculatus **   Celastrus orbiculatus **   Celastrus orbiculatus **   Celastrus orbiculatus **   Celastrus orbiculatus **   -all-   0.505 % 2       -none- 38 Leersia virginica Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   Leersia virginica **   -all-   0.505 % 2       -none- 39 Ulmus americana Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   Ulmus americana **   -all-   0.505 % 2       -none- 40 Rubus occidentalis Rubus occidentalis **   Rubus occidentalis **   Rubus occidentalis **   Rubus occidentalis **   Rubus occidentalis **   Rubus occidentalis **   Rubus occidentalis **   Rubus occidentalis **   -all-   0.505 % 2       -none- 41 Claytonia virginica Claytonia virginica **   Claytonia virginica **   Claytonia virginica **   Claytonia virginica **   Claytonia virginica **   Claytonia virginica **   Claytonia virginica **   Claytonia virginica **   -all-   0.505 % 2       -none- 42 Eurybia divaricata Eurybia divaricata **   Eurybia divaricata **   Eurybia divaricata **   Eurybia divaricata **   Eurybia divaricata **   Eurybia divaricata **   Eurybia divaricata **   Eurybia divaricata **   -all-   0.505 % 2       -none- 43 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- 44 Galium triflorum Galium triflorum **   Galium triflorum **   Galium triflorum **   Galium triflorum **   Galium triflorum **   Galium triflorum **   Galium triflorum **   Galium triflorum **   -all-   0.05 % 1       -none- 45 Vitis vulpina Vitis vulpina **   Vitis vulpina **   Vitis vulpina **   Vitis vulpina **   Vitis vulpina **   Vitis vulpina **   Vitis vulpina **   Vitis vulpina **   -all-   0.05 % 1       -none- 46 Ageratina altissima Ageratina altissima **   Ageratina altissima **   Ageratina altissima **   Ageratina altissima **   Ageratina altissima **   Ageratina altissima **   Ageratina altissima **   Ageratina altissima **   -all-   0.05 % 1       -none- 47 Houstonia caerulea Houstonia caerulea **   Houstonia caerulea **   Houstonia caerulea **   Houstonia caerulea **   Houstonia caerulea **   Houstonia caerulea **   Houstonia caerulea **   Houstonia caerulea **   -all-   0.05 % 1       -none- 48 Hypericum punctatum Hypericum punctatum **   Hypericum punctatum **   Hypericum punctatum **   Hypericum punctatum **   Hypericum punctatum **   Hypericum punctatum **   Hypericum punctatum **   Hypericum punctatum **   -all-   0.05 % 1       -none- 49 Silene caroliniana var. pensylvanica Silene caroliniana var. pensylvanica **   Silene caroliniana var. pensylvanica **   Silene caroliniana var. pensylvanica **   Silene caroliniana var. pensylvanica **   Silene caroliniana var. pensylvanica **   Silene caroliniana var. pensylvanica **   Silene caroliniana var. pensylvanica **   Silene caroliniana var. pensylvanica **   -all-   0.05 % 1       -none-
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Stratum Definitions:
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