THRO.57
» Citation URL: http://vegbank.org/cite/VB.Ob.4153.THRO57 » Citing info
Plot ID Fields:
Author Plot Code	THRO.57
Author Observation Code	THRO.57
Location Fields:	MAP: Google | Yahoo | TopoZone | MapQuest
Confidentiality Status	exact location
Latitude	47.00866325 º
Longitude	-103.57119782 º
Author Location	THRO -- South Unit
Location Narrative	The plot is located at the head of a wooded draw on eastern edge of the petrified forest plateau accessed via the Petrified Forest Loop Trail.
State or Province	North Dakota
Country	United States
Named Places	quadrangle: Wannagan Creek East region|state|province: North Dakota area|country|territory: United States
Layout Fields:
Shape	Square
Area	100 m²
Permanence	not permanent
Environment Fields:
Elevation	821 m
Slope Aspect	45 º
Slope Gradient	36 º
Topographic Position	Backslope
Landform	plateau
Rock Type	sedimentary, unspecified
Landscape Narrative	The prairie sandreed (Calamovilfa longifolia) community in this area occurs as a 10-12 meter band on steep slopes around the head of draws. Area is lightly infested with leafy spurge (Euphorbia esula). -- Green ash (Fraxinus pennsylvanica) woodlands occur in the lower draws.
Representativeness	Representative of the grassland community found in this area.
Soil Drainage	well drained
Soil Depth	0 m
Percent Bedrock	0 %
Percent Rock / Gravel	0 %
Percent Wood	0 %
Percent Litter	30 %
Percent Bare Soil	0 %
Percent Water	0 %
Percent Other	0 %
Methods Fields:
Observation Start Date	11-Dec-1997
Observation End Date	11-Dec-1997
Project	Theodore Roosevelt National Park
Cover Method	NPS CoverMethod
Stratum Method	National Park Service
Stem Size Limit	10 cm
Taxon Observation Area	100 m²
Cover Dispersion	contiguous
Overall Taxon Cover Values are Automatically Calculated?	yes
Stem Sample Method	full census
Plot Quality Fields:
Effort Level	Thorough
Floristic Quality	High but incomplete
Bryophyte Quality	Very incomplete
Lichen Quality	Very incomplete
Overall Plot Vegetation Fields:
--no data--
Misc Fields:
Observation Narrative	Leafy spurge (Euphorbia esula) and green needlegrass (Nassela viridula) increase in frequency and cover directly below the plot.

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 Shepherdia argentea (Pursh) Nutt. Shepherdia argentea (Pursh) Nutt. Shepherdia argentea silver buffaloberry Shepherdia argentea (Pursh) Nutt. **   Shepherdia argentea (Pursh) Nutt. Shepherdia argentea silver buffaloberry Shepherdia argentea (Pursh) Nutt. **   Short Shrub         -1 m² -none- 2 Prunus virginiana L. Prunus virginiana L. Prunus virginiana chokecherry Prunus virginiana L. **   Prunus virginiana L. Prunus virginiana chokecherry Prunus virginiana L. **   Short Shrub 2.5 % 02       -none- 3 Symphoricarpos occidentalis Hook. Symphoricarpos occidentalis Hook. Symphoricarpos occidentalis western snowberry Symphoricarpos occidentalis Hook. **   Symphoricarpos occidentalis Hook. Symphoricarpos occidentalis western snowberry Symphoricarpos occidentalis Hook. **   Short Shrub 0.5 % 01       -none- 4 Stipa spartea Trin. Stipa spartea Trin. Stipa spartea Stipa spartea Trin. **   Stipa spartea Trin. **   Stipa spartea Trin. Stipa spartea Stipa spartea Trin. **   Stipa spartea Trin. **   Herbaceous 37.5 % 04       -none- 5 Calamovilfa longifolia (Hook.) Scribn. Calamovilfa longifolia (Hook.) Scribn. Calamovilfa longifolia prairie sandreed Calamovilfa longifolia (Hook.) Scribn. **   Calamovilfa longifolia (Hook.) Scribn. Calamovilfa longifolia prairie sandreed Calamovilfa longifolia (Hook.) Scribn. **   Herbaceous 37.5 % 04       -none- 6 Euphorbia esula L. Euphorbia esula L. Euphorbia esula leafy spurge Euphorbia esula L. **   Euphorbia esula L. Euphorbia esula leafy spurge Euphorbia esula L. **   Herbaceous 2.5 % 02       -none- 7 Aster ericoides L. Aster ericoides L. Aster ericoides Aster ericoides L. **   Aster ericoides L. **   Aster ericoides L. Aster ericoides Aster ericoides L. **   Aster ericoides L. **   Herbaceous 0.5 % 01       -none- 8 Equisetum L. Equisetum L. Equisetum horsetail Equisetum L. **   Equisetum L. Equisetum horsetail Equisetum L. **   Herbaceous 0.5 % 01       -none- 9 Carex filifolia Nutt. Carex filifolia Nutt. Carex filifolia threadleaf sedge Carex filifolia Nutt. **   Carex filifolia Nutt. Carex filifolia threadleaf sedge Carex filifolia Nutt. **   Herbaceous 0.5 % 01       -none- 10 Toxicodendron rydbergii (Small ex Rydb.) Greene Toxicodendron rydbergii (Small ex Rydb.) Greene Toxicodendron rydbergii western poison ivy Toxicodendron rydbergii (Small ex Rydb.) Greene **   Toxicodendron rydbergii (Small ex Rydb.) Greene Toxicodendron rydbergii western poison ivy Toxicodendron rydbergii (Small ex Rydb.) Greene **   Herbaceous 0.5 % 01       -none- 11 Helianthus annuus L. Helianthus annuus L. Helianthus annuus common sunflower Helianthus annuus L. **   Helianthus annuus L. Helianthus annuus common sunflower Helianthus annuus L. **   Herbaceous 0.5 % 01       -none- 12 Koeleria macrantha (Ledeb.) J.A. Schultes Koeleria macrantha (Ledeb.) J.A. Schultes Koeleria macrantha prairie Junegrass Koeleria macrantha (Ledeb.) J.A. Schultes **   Koeleria macrantha (Ledeb.) J.A. Schultes Koeleria macrantha prairie Junegrass Koeleria macrantha (Ledeb.) J.A. Schultes **   Herbaceous 0.5 % 01       -none- 13 Bouteloua curtipendula (Michx.) Torr. Bouteloua curtipendula (Michx.) Torr. Bouteloua curtipendula sideoats grama Bouteloua curtipendula (Michx.) Torr. **   Bouteloua curtipendula (Michx.) Torr. Bouteloua curtipendula sideoats grama Bouteloua curtipendula (Michx.) Torr. **   Herbaceous 0.5 % 01       -none- 14 Muhlenbergia cuspidata (Torr. ex Hook.) Rydb. Muhlenbergia cuspidata (Torr. ex Hook.) Rydb. Muhlenbergia cuspidata plains muhly Muhlenbergia cuspidata (Torr. ex Hook.) Rydb. **   Muhlenbergia cuspidata (Torr. ex Hook.) Rydb. Muhlenbergia cuspidata plains muhly Muhlenbergia cuspidata (Torr. ex Hook.) Rydb. **   Herbaceous 0.5 % 01       -none- 15 Artemisia ludoviciana Nutt. Artemisia ludoviciana Nutt. Artemisia ludoviciana white sagebrush Artemisia ludoviciana Nutt. **   Artemisia ludoviciana Nutt. Artemisia ludoviciana white sagebrush Artemisia ludoviciana Nutt. **   Herbaceous 0.5 % 01       -none- 16 Carex L. Carex L. Carex sedge Carex L. **   Carex L. Carex sedge Carex L. **   Herbaceous 0.5 % 01       -none- 17 Fraxinus pennsylvanica Marsh. Fraxinus pennsylvanica Marsh. Fraxinus pennsylvanica green ash Fraxinus pennsylvanica Marsh. **   Fraxinus pennsylvanica Marsh. Fraxinus pennsylvanica green ash Fraxinus pennsylvanica Marsh. **   Canopy         -1 m² -none- 18 Juniperus scopulorum Sarg. Juniperus scopulorum Sarg. Juniperus scopulorum Rocky Mountain juniper Juniperus scopulorum Sarg. **   Juniperus scopulorum Sarg. Juniperus scopulorum Rocky Mountain juniper Juniperus scopulorum Sarg. **   Canopy         -1 m² -none-
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Stratum Definitions:
Stratum Type Stratum Base Stratum Height Stratum Cover Canopy     0 % Dwarf Shrub     0 % Emergent     0 % Epiphyte     0 % Herbaceous   0.5 m 60 % Nonvascular     0 % Short Shrub   0.5 m 5 % Sub-Canopy     0 % Tall Shrub     0 % Vine/Liana     0 %
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