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THRO.4
» Citation URL: http://vegbank.org/cite/VB.Ob.3832.THRO4
» Citing info
Plot ID Fields: 
Author Plot Code ? THRO.4
Author Observation Code ? THRO.4
Location Fields: MAP: Google | Yahoo | TopoZone | MapQuest
Confidentiality Status ? exact location
Latitude ? 46.960918203 º
Longitude ? -103.506656593 º
Author Location ? THRO -- South Unit
Location Narrative ? 500 meters West of the Peaceful Valley Ranch (horse consession) along the Little Missouri River.
State or Province ? North Dakota
Country ? United States
Named Places
quadrangle: Medora
region|state|province: North Dakota
area|country|territory: United States
Layout Fields: 
Shape ? Square
Area ? 400
Permanence ? not permanent
Environment Fields: 
Elevation ? 685 m
Slope Aspect ? 315 º
Slope Gradient ? 2.5 º
Topographic Position ? Channel bed
Landform ? flood plain
Rock Type ? sedimentary, unspecified
Landscape Narrative ? Leafy spurge (Euphorbia esula) occurs within the plot. -- (none)
Representativeness ? Representative of the early successional community that occurs on flooded point bars along the littl
Hydrologic Regime ? Intermittently flooded
Soil Drainage ? well drained
Soil Depth ? 0 m
Percent Bedrock ? 0 %
Percent Rock / Gravel ? 10 %
Percent Wood ? 0 %
Percent Litter ? 0 %
Percent Bare Soil ? 20 %
Percent Water ? 0 %
Percent Other ? 0 %
Methods Fields: 
Observation Start Date ? 07-Sep-1997
Observation End Date ? 07-Sep-1997
Project ? Theodore Roosevelt National Park
Cover Method ? NPS CoverMethod
Stratum Method ? National Park Service
Stem Size Limit ? 10 cm
Taxon Observation Area ? 400
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) infestation in plot and on higher floodplain terraces. Less vegetation occurred on the plot last year (based on the aerial photography).
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 Salix exigua Nutt. Salix exigua Nutt. Salix exigua narrowleaf willow Salix exigua Nutt. **   Salix exigua Nutt. Salix exigua narrowleaf willow Salix exigua Nutt. **   Short Shrub
15 %
03       -none-
2 Salix amygdaloides Anderss. Salix amygdaloides Anderss. Salix amygdaloides peachleaf willow Salix amygdaloides Anderss. **   Salix amygdaloides Anderss. Salix amygdaloides peachleaf willow Salix amygdaloides Anderss. **   Short Shrub
2.5 %
02       -none-
3 Ambrosia artemisiifolia L. Ambrosia artemisiifolia L. Ambrosia artemisiifolia annual ragweed Ambrosia artemisiifolia L. **   Ambrosia artemisiifolia L. Ambrosia artemisiifolia annual ragweed Ambrosia artemisiifolia L. **   Herbaceous         -1 -none-
4 Elytrigia repens var. repens Elytrigia repens (L.) Desv. ex B.D. Jackson var. repens Elytrigia repens var. repens Elytrigia repens var. repens **   Elytrigia repens var. repens **   Elytrigia repens (L.) Desv. ex B.D. Jackson var. repens Elytrigia repens var. repens Elytrigia repens var. repens **   Elytrigia repens var. repens **   Herbaceous         -1 -none-
5 Eleocharis R. Br. Eleocharis R. Br. Eleocharis spikerush Eleocharis R. Br. **   Eleocharis R. Br. Eleocharis spikerush Eleocharis R. Br. **   Herbaceous         -1 -none-
6 Spartina pectinata Bosc ex Link Spartina pectinata Bosc ex Link Spartina pectinata prairie cordgrass Spartina pectinata Bosc ex Link **   Spartina pectinata Bosc ex Link Spartina pectinata prairie cordgrass Spartina pectinata Bosc ex Link **   Herbaceous         -1 -none-
7 Populus deltoides Bartr. ex Marsh. Populus deltoides Bartr. ex Marsh. Populus deltoides eastern cottonwood Populus deltoides Bartr. ex Marsh. **   Populus deltoides Bartr. ex Marsh. Populus deltoides eastern cottonwood Populus deltoides Bartr. ex Marsh. **   Herbaceous
15 %
03       -none-
8 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-
9 Xanthium strumarium L. Xanthium strumarium L. Xanthium strumarium rough cockleburr Xanthium strumarium L. **   Xanthium strumarium L. Xanthium strumarium rough cockleburr Xanthium strumarium L. **   Herbaceous
2.5 %
02       -none-
10 Solidago L. Solidago L. Solidago goldenrod Solidago L. **   Solidago L. Solidago goldenrod Solidago L. **   Herbaceous
0.5 %
01       -none-
11 Bromus inermis Leyss. Bromus inermis Leyss. Bromus inermis smooth brome Bromus inermis Leyss. **   Bromus inermis Leyss. Bromus inermis smooth brome Bromus inermis Leyss. **   Herbaceous
0.5 %
01       -none-
12 Elymus canadensis L. Elymus canadensis L. Elymus canadensis Canada wildrye Elymus canadensis L. **   Elymus canadensis L. Elymus canadensis Canada wildrye Elymus canadensis L. **   Herbaceous
0.5 %
01       -none-
13 Asclepias speciosa Torr. Asclepias speciosa Torr. Asclepias speciosa showy milkweed Asclepias speciosa Torr. **   Asclepias speciosa Torr. Asclepias speciosa showy milkweed Asclepias speciosa Torr. **   Herbaceous
0.5 %
01       -none-
14 Vicia americana Muhl. ex Willd. Vicia americana Muhl. ex Willd. Vicia americana American vetch Vicia americana Muhl. ex Willd. **   Vicia americana Muhl. ex Willd. Vicia americana American vetch Vicia americana Muhl. ex Willd. **   Herbaceous
0.5 %
01       -none-
15 Glycyrrhiza lepidota Pursh Glycyrrhiza lepidota Pursh Glycyrrhiza lepidota American licorice Glycyrrhiza lepidota Pursh **   Glycyrrhiza lepidota Pursh Glycyrrhiza lepidota American licorice Glycyrrhiza lepidota Pursh **   Herbaceous
0.5 %
01       -none-
16 Melilotus alba Medikus Melilotus alba Medikus Melilotus alba white sweetclover Melilotus alba Medikus **   Melilotus alba Medikus Melilotus alba white sweetclover Melilotus alba Medikus **   Herbaceous
0.5 %
01       -none-
17 Melilotus officinalis (L.) Lam. Melilotus officinalis (L.) Lam. Melilotus officinalis yellow sweetclover Melilotus officinalis (L.) Lam. **   Melilotus officinalis (L.) Lam. Melilotus officinalis yellow sweetclover Melilotus officinalis (L.) Lam. **   Herbaceous
0.5 %
01       -none-
18 Pascopyrum smithii (Rydb.) A. Löve Pascopyrum smithii (Rydb.) A. Löve Pascopyrum smithii western wheatgrass Pascopyrum smithii (Rydb.) A. Löve **   Pascopyrum smithii (Rydb.) A. Löve Pascopyrum smithii western wheatgrass Pascopyrum smithii (Rydb.) A. Löve **   Herbaceous
0.5 %
01       -none-
19 Rumex crispus L. Rumex crispus L. Rumex crispus curly dock Rumex crispus L. **   Rumex crispus L. Rumex crispus curly dock Rumex crispus L. **   Herbaceous
0.5 %
01       -none-
This table is SORTABLE. Click the headers to sort ascending and descending.

Stratum Definitions:
Stratum Type ?Stratum Base ?Stratum Height ?Stratum Cover ?
Canopy     0 %
Dwarf Shrub     0 %
Emergent     0 %
Epiphyte     0 %
Herbaceous   0.5 m 10 %
Nonvascular     0 %
Short Shrub 1 m 2 m 5 %
Sub-Canopy     0 %
Tall Shrub     0 %
Vine/Liana     0 %
This table is SORTABLE. Click the headers to sort ascending and descending.
Observation Contributors:
Party ?Role ?
Drake, Jim PI
Cogan, Dan Field assistant
Von Loh, Jim PI
West, Keldyn Field assistant
Dekker, Brent Field assistant
Wynn, Sara Field assistant
Butler, Jack Plot author
Community Classification:
More Classification Start Date ?Classification Stop Date ? Community AssignmentsContributors
Details 17-Mar-2005  
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Populus deltoides - (Salix amygdaloides) / Salix (exigua, interior) Woodland       no  
Lee, Michael
Details 01-Jul-1999  
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
CEGL000659       no
Faber-Langendoen, Don
Drake, Jim
Marriott, Hollis


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         Loamy Sands: Loamy Sand                


Disturbance Data:
Disturbance Type ?Disturbance Intensity ?Disturbance Comment ?
unknown   Many horse and foot trails nearby.
Animal, general   (none)


User Defined Values
No User Defined Data for this plot