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Gretna
» Citation URL: http://vegbank.org/cite/VB.ob.27524.GRETNA
» Citing info
Plot ID Fields: 
Author Plot Code ? Gretna
Author Observation Code ? Gretna
Location Fields: MAP: Google | Yahoo | TopoZone | MapQuest
Location Accuracy ? 1800 m
Confidentiality Status ? exact location
Latitude ? 44.16606 º
Longitude ? -76.97616 º
Author Location ? Gretna Alvar
State or Province ? Ontario
Named Places
region|state|province: Ontario
Layout Fields: 
Permanence ? not permanent
Environment Fields: 
Elevation ? 111.252 m
Slope Aspect ? (n/a, flat) º
Slope Gradient ? 0 º
Topographic Position ? High level
Soil Moisture Regime ? Subxeric
Soil Drainage ? well drained
Organic Depth ? 18 cm
Percent Bedrock ? 3 %
Percent Rock / Gravel ? 0 %
Percent Wood ? 0 %
Percent Litter ? 30 %
Percent Bare Soil ? 0 %
Percent Water ? 0 %
Methods Fields: 
Project ? Alvar NYHP
Cover Method ? Percentage (%)
Stratum Method ? Alvar Strata (New York)
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: 
--no data--
Misc Fields: 
--no data--
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 Deschampsia cespitosa (L.) Beauv. [orthographic variant] Deschampsia cespitosa (L.) Beauv. [orthographic variant] Deschampsia cespitosa Deschampsia cespitosa (L.) Beauv. [orthographic variant] **   Deschampsia cespitosa (L.) Beauv. [orthographic variant] **   Deschampsia cespitosa (L.) Beauv. [orthographic variant] Deschampsia cespitosa Deschampsia cespitosa (L.) Beauv. [orthographic variant] **   Deschampsia cespitosa (L.) Beauv. [orthographic variant] **   Herb
60 %
        -none-
2 Trichostema brachiatum L. Trichostema brachiatum L. Trichostema brachiatum Trichostema brachiatum L. **   Trichostema brachiatum L. **   Trichostema brachiatum L. Trichostema brachiatum Trichostema brachiatum L. **   Trichostema brachiatum L. **   Herb
45 %
        -none-
3 Eleocharis compressa Sullivant Eleocharis compressa Sullivant Eleocharis compressa flatstem spikerush Eleocharis compressa Sullivant **   Eleocharis compressa Sullivant Eleocharis compressa flatstem spikerush Eleocharis compressa Sullivant **   Herb
5 %
        -none-
4 Carex crawei Dewey Carex crawei Dewey Carex crawei Crawe's sedge Carex crawei Dewey **   Carex crawei Dewey Carex crawei Crawe's sedge Carex crawei Dewey **   Herb
2 %
        -none-
5 Poa compressa L. Poa compressa L. Poa compressa Canada bluegrass Poa compressa L. **   Poa compressa L. Poa compressa Canada bluegrass Poa compressa L. **   Herb
2 %
        -none-
6 Ambrosia artemisiifolia L. Ambrosia artemisiifolia L. Ambrosia artemisiifolia annual ragweed Ambrosia artemisiifolia L. **   Ambrosia artemisiifolia L. Ambrosia artemisiifolia annual ragweed Ambrosia artemisiifolia L. **   Herb
0.3 %
        -none-
7 Veronica peregrina L. Veronica peregrina L. Veronica peregrina neckweed Veronica peregrina L. **   Veronica peregrina L. Veronica peregrina neckweed Veronica peregrina L. **   Herb
0.3 %
        -none-
8 Aster novae-angliae L. Aster novae-angliae L. Aster novae-angliae Aster novae-angliae L. **   Aster novae-angliae L. **   Aster novae-angliae L. Aster novae-angliae Aster novae-angliae L. **   Aster novae-angliae L. **   Herb
0.3 %
        -none-
9 Hypericum perforatum L. Hypericum perforatum L. Hypericum perforatum common St. Johnswort Hypericum perforatum L. **   Hypericum perforatum L. Hypericum perforatum common St. Johnswort Hypericum perforatum L. **   Herb
0.3 %
        -none-
10 Poa pratensis L. Poa pratensis L. Poa pratensis Kentucky bluegrass Poa pratensis L. **   Poa pratensis L. Poa pratensis Kentucky bluegrass Poa pratensis L. **   Herb
0.3 %
        -none-
11 Asclepias syriaca L. Asclepias syriaca L. Asclepias syriaca common milkweed Asclepias syriaca L. **   Asclepias syriaca L. Asclepias syriaca common milkweed Asclepias syriaca L. **   Herb
0.3 %
        -none-
12 Cerastium arvense L. Cerastium arvense L. Cerastium arvense field chickweed Cerastium arvense L. **   Cerastium arvense L. Cerastium arvense field chickweed Cerastium arvense L. **   Herb
0.3 %
        -none-
13 Panicum spp. (w/Dicanthelium) Panicum spp. (w/Dicanthelium) **   Poaceae Grass family Panicum spp. (w/Dicanthelium) **   Panicum spp. (w/Dicanthelium) **   Poaceae Grass family Panicum spp. (w/Dicanthelium) **   Herb
0.3 %
        -none-
14 Achillea millefolium L. Achillea millefolium L. Achillea millefolium common yarrow Achillea millefolium L. **   Achillea millefolium L. Achillea millefolium common yarrow Achillea millefolium L. **   Herb
0.3 %
        -none-
15 Potentilla recta L. Potentilla recta L. Potentilla recta sulphur cinquefoil Potentilla recta L. **   Potentilla recta L. Potentilla recta sulphur cinquefoil Potentilla recta L. **   Herb
0.3 %
        -none-
16 Phleum pratense L. Phleum pratense L. Phleum pratense timothy Phleum pratense L. **   Phleum pratense L. Phleum pratense timothy Phleum pratense L. **   Herb
0.3 %
        -none-
17 Juncus dudleyi Wieg. Juncus dudleyi Wieg. Juncus dudleyi Dudley's rush Juncus dudleyi Wieg. **   Juncus dudleyi Wieg. Juncus dudleyi Dudley's rush Juncus dudleyi Wieg. **   Herb
0.3 %
        -none-
18 Agrostis hyemalis (Walt.) B.S.P. Agrostis hyemalis (Walt.) B.S.P. Agrostis hyemalis winter bentgrass Agrostis hyemalis (Walt.) B.S.P. **   Agrostis hyemalis (Walt.) B.S.P. Agrostis hyemalis winter bentgrass Agrostis hyemalis (Walt.) B.S.P. **   Herb
0.3 %
        -none-
This table is SORTABLE. Click the headers to sort ascending and descending.

Stratum Definitions:
Stratum Type ?Stratum Base ?Stratum Height ?Stratum Cover ?
Algae      
Lichen      
Bryophyte   0 m 0 %
Vine   0 m 0 %
Tree   0 m 0 %
Tall Shrub   0 m 0 %
Short Shrub   0.8 m 80 %
Herb   0 m 75 %
This table is SORTABLE. Click the headers to sort ascending and descending.
Observation Contributors:
Party ?Role ?
Faber-Langendoen, Don PI
Community Classification:
More Classification Start Date ? Community AssignmentsContributors
Details  
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Deschampsia cespitosa - (Sporobolus heterolepis, Schizachyrium scoparium) - Carex crawei - Packera paupercula Grassland       no
Faber-Langendoen, Don


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                   7      


User Defined Values
No User Defined Data for this plot