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085-ROCB-0014
» Citation URL: http://vegbank.org/cite/urn:lsid:cvs.bio.unc.edu:observation:17154-{DDFA0458-112B-4FD4-BFF5-DEA66E77C085}
» Citing info
Plot ID Fields: 
Author Plot Code ? 085-ROCB-0014
Author Observation Code ? 085-ROCB-0014
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 ? 10 x 10 m
Area ? 100
Permanence ? not permanent
Environment Fields: 
Elevation ? 298 m
Slope Aspect ? (n/a, flat) º
Slope Gradient ? 2 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: 
Field Height ? 1 m
Field Cover ? 60 %
Nonvascular Cover ? 15 %
Misc Fields: 
Observation Narrative ? The plot (along with ROCB012 and ROCB013) 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 entirely herbaceous, with Panicum flexile, Sporobolus vaginiflorus, Allium cernuum, and Croton monanthogynus contributing the highest covers.
Taxa occurring on this plot-observation
Change plant label:
Change Strata Shown:
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 Panicum flexile Panicum flexile **   Panicum flexile **   Panicum flexile **   Panicum flexile **   Panicum flexile **   Panicum flexile **   Panicum flexile **   Panicum flexile **   -all-  
17.5 %
6       -none-
2 Sporobolus vaginiflorus Sporobolus vaginiflorus **   Sporobolus vaginiflorus **   Sporobolus vaginiflorus **   Sporobolus vaginiflorus **   Sporobolus vaginiflorus **   Sporobolus vaginiflorus **   Sporobolus vaginiflorus **   Sporobolus vaginiflorus **   -all-  
17.5 %
6       -none-
3 Allium cernuum Allium cernuum **   Allium cernuum **   Allium cernuum **   Allium cernuum **   Allium cernuum **   Allium cernuum **   Allium cernuum **   Allium cernuum **   -all-  
7.5 %
5       -none-
4 Croton monanthogynus Croton monanthogynus **   Croton monanthogynus **   Croton monanthogynus **   Croton monanthogynus **   Croton monanthogynus **   Croton monanthogynus **   Croton monanthogynus **   Croton monanthogynus **   -all-  
7.5 %
5       -none-
5 Trichostema brachiatum Trichostema brachiatum **   Trichostema brachiatum **   Trichostema brachiatum **   Trichostema brachiatum **   Trichostema brachiatum **   Trichostema brachiatum **   Trichostema brachiatum **   Trichostema brachiatum **   -all-  
1.5 %
3       -none-
6 Dichanthelium acuminatum Dichanthelium acuminatum **   Dichanthelium acuminatum **   Dichanthelium acuminatum **   Dichanthelium acuminatum **   Dichanthelium acuminatum **   Dichanthelium acuminatum **   Dichanthelium acuminatum **   Dichanthelium acuminatum **   -all-  
1.5 %
3       -none-
7 Packera anonyma Packera anonyma **   Packera anonyma **   Packera anonyma **   Packera anonyma **   Packera anonyma **   Packera anonyma **   Packera anonyma **   Packera anonyma **   -all-  
1.5 %
3       -none-
8 Panicum philadelphicum Panicum philadelphicum **   Panicum philadelphicum **   Panicum philadelphicum **   Panicum philadelphicum **   Panicum philadelphicum **   Panicum philadelphicum **   Panicum philadelphicum **   Panicum philadelphicum **   -all-  
1.5 %
3       -none-
9 Oxalis sp. Oxalis sp. **   Oxalis sp. **   Oxalis sp. **   Oxalis sp. **   Oxalis sp. **   Oxalis sp. **   Oxalis sp. **   Oxalis sp. **   -all-  
0.505 %
2       -none-
10 Carex complanata Carex complanata **   Carex complanata **   Carex complanata **   Carex complanata **   Carex complanata **   Carex complanata **   Carex complanata **   Carex complanata **   -all-  
0.505 %
2       -none-
11 Opuntia humifusa var. humifusa Opuntia humifusa var. humifusa **   Opuntia humifusa var. humifusa **   Opuntia humifusa var. humifusa **   Opuntia humifusa var. humifusa **   Opuntia humifusa var. humifusa **   Opuntia humifusa var. humifusa **   Opuntia humifusa var. humifusa **   Opuntia humifusa var. humifusa **   -all-  
0.505 %
2       -none-
12 Paspalum laeve Paspalum laeve **   Paspalum laeve **   Paspalum laeve **   Paspalum laeve **   Paspalum laeve **   Paspalum laeve **   Paspalum laeve **   Paspalum laeve **   -all-  
0.505 %
2       -none-
13 Medicago lupulina Medicago lupulina **   Medicago lupulina **   Medicago lupulina **   Medicago lupulina **   Medicago lupulina **   Medicago lupulina **   Medicago lupulina **   Medicago lupulina **   -all-  
0.505 %
2       -none-
14 Sedum pulchellum Sedum pulchellum **   Sedum pulchellum **   Sedum pulchellum **   Sedum pulchellum **   Sedum pulchellum **   Sedum pulchellum **   Sedum pulchellum **   Sedum pulchellum **   -all-  
0.505 %
2       -none-
15 Tridens flavus Tridens flavus **   Tridens flavus **   Tridens flavus **   Tridens flavus **   Tridens flavus **   Tridens flavus **   Tridens flavus **   Tridens flavus **   -all-  
0.505 %
2       -none-
16 Cuphea viscosissima Cuphea viscosissima **   Cuphea viscosissima **   Cuphea viscosissima **   Cuphea viscosissima **   Cuphea viscosissima **   Cuphea viscosissima **   Cuphea viscosissima **   Cuphea viscosissima **   -all-  
0.505 %
2       -none-
17 Erigeron strigosus var. strigosus Erigeron strigosus var. strigosus **   Erigeron strigosus var. strigosus **   Erigeron strigosus var. strigosus **   Erigeron strigosus var. strigosus **   Erigeron strigosus var. strigosus **   Erigeron strigosus var. strigosus **   Erigeron strigosus var. strigosus **   Erigeron strigosus var. strigosus **   -all-  
0.505 %
2       -none-
18 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-
19 Lonicera fragrantissima Lonicera fragrantissima **   Lonicera fragrantissima **   Lonicera fragrantissima **   Lonicera fragrantissima **   Lonicera fragrantissima **   Lonicera fragrantissima **   Lonicera fragrantissima **   Lonicera fragrantissima **   -all-  
0.505 %
2       -none-
20 Scutellaria parvula Scutellaria parvula **   Scutellaria parvula **   Scutellaria parvula **   Scutellaria parvula **   Scutellaria parvula **   Scutellaria parvula **   Scutellaria parvula **   Scutellaria parvula **   -all-  
0.505 %
2       -none-
21 Euphorbia dentata Euphorbia dentata **   Euphorbia dentata **   Euphorbia dentata **   Euphorbia dentata **   Euphorbia dentata **   Euphorbia dentata **   Euphorbia dentata **   Euphorbia dentata **   -all-  
0.505 %
2       -none-
22 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-
23 Carex laxiflora Carex laxiflora **   Carex laxiflora **   Carex laxiflora **   Carex laxiflora **   Carex laxiflora **   Carex laxiflora **   Carex laxiflora **   Carex laxiflora **   -all-  
0.505 %
2       -none-
24 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-  
0.505 %
2       -none-
25 Lonicera japonica Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   Lonicera japonica **   -all-  
0.05 %
1       -none-
26 Rosa multiflora Rosa multiflora **   Rosa multiflora **   Rosa multiflora **   Rosa multiflora **   Rosa multiflora **   Rosa multiflora **   Rosa multiflora **   Rosa multiflora **   -all-  
0.05 %
1       -none-
27 Minuartia patula Minuartia patula **   Minuartia patula **   Minuartia patula **   Minuartia patula **   Minuartia patula **   Minuartia patula **   Minuartia patula **   Minuartia patula **   -all-  
0.05 %
1       -none-
This table is SORTABLE. Click the headers to sort ascending and descending.

Stratum Definitions:
Sorry, no Stratum Definitions found.
This table is SORTABLE. Click the headers to sort ascending and descending.
Observation Contributors:
Party ?Role ?
Winder, Charles Field assistant
Knox, John Field assistant
Townsend, Johnny Field assistant
Smith, Tom Field assistant
Ludwig, Chris Field assistant
Patterson, Karen Field assistant
Fleming, Gary Author
Community Classification:
No communties have been assigned to this plot.


Soil Observations:
Soil Horizon ?Soil Depth Top ?Soil Depth Bottom ?Soil Color ?Soil Organic ?Soil Texture ?Soil Sand ?Soil Silt ?Soil Clay ?Soil Coarse ?Soil PH ?Exchange Capacity ?Base Saturation ?Soil Description ?
unknown                         very shallow (~ 4cm deep) yellow-brown clay loam over bedrock
A       5.4 %           7.5 15.16    


User Defined Values
No User Defined Data for this plot