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: --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 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 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.