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EPA.3.39
» Citation URL: http://vegbank.org/cite/urn:lsid:ecoobs.vegbank.org:observation:8166-{8E35BCA6-77C6-463B-84B6-F2B845158597}
» Citing info
Plot ID Fields: 
Author Plot Code ? EPA.3.39
Author Observation Code ? EPA.3.39.2006
Original Data Location ? This observation was uploaded from NatureServe's Ecological Observations Database (EcoObs), version 27 May 2016. Some data values may be midpoints of EcoObs classes (e.g. stratum height, slope, aspect).
Location Fields: MAP: Google | Yahoo | TopoZone | MapQuest
Confidentiality Status ? 10 km radius (nearest 0.1 degree)
Latitude ? 41.4 º
Longitude ? -79.6 º
Author Location ? President Islands Allegheny River
State or Province ? Pennsylvania
Country ? United States
Named Places
region|state|province: Pennsylvania
area|country|territory: United States
Layout Fields: 
Shape ? Square
Area ? 25
Permanence ? not permanent
Environment Fields: 
Elevation ? 311 m
Slope Aspect ? (n/a, flat) º
Representativeness ? emergent aquatic bed on submerged gravel cobble bar of island in Allegheny River channel
Soil Drainage ? very poorly drained
Percent Bedrock ? 0 %
Percent Wood ? 0 %
Percent Litter ? 0 %
Percent Bare Soil ? 0 %
Percent Water ? 0 %
Methods Fields: 
Observation Start Date ? 09-Aug-2006
Observation End Date ? 09-Aug-2006
Date Accuracy ? Exact
Project ? Classification, Assessment, and Protection of Floodplains of the Susquehanna and Ohio Drainages
Cover Method ? Percentage (%)
Stratum Method ? National Park Service
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 Justicia americana Justicia americana (L.) Vahl Justicia americana American water-willow JUAM Justicia americana (L.) Vahl Justicia americana American water-willow JUAM Herbaceous
63 %
        -none-
2 Schoenoplectus tabernaemontani Schoenoplectus tabernaemontani (C.C. Gmel.) Palla Schoenoplectus tabernaemontani softstem bulrush SCTA2 Schoenoplectus tabernaemontani (C.C. Gmel.) Palla Schoenoplectus tabernaemontani softstem bulrush SCTA2 Herbaceous
2 %
        -none-
3 Elodea canadensis Elodea canadensis Michx. Elodea canadensis Canadian waterweed ELCA7 Elodea canadensis Michx. Elodea canadensis Canadian waterweed ELCA7 Herbaceous
0.5 %
        -none-
4 Potamogeton crispus Potamogeton crispus L. Potamogeton crispus curly pondweed POCR3 Potamogeton crispus L. Potamogeton crispus curly pondweed POCR3 Herbaceous
0.5 %
        -none-
5 Sparganium americanum Sparganium americanum Nutt. Sparganium americanum American bur-reed SPAM Sparganium americanum Nutt. Sparganium americanum American bur-reed SPAM Herbaceous
0.5 %
        -none-
This table is SORTABLE. Click the headers to sort ascending and descending.

Stratum Definitions:
Stratum Type ?Stratum Base ?Stratum Height ?Stratum Cover ?
Herbaceous   0.3 m 60 %
This table is SORTABLE. Click the headers to sort ascending and descending.
Observation Contributors:
Party ?Role ?
Zimmerman, Ephraim Author
SVP Author
Community Classification:
More Classification Start Date ? Community AssignmentsContributors
Details 09-Aug-2006
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Water-willow (Justicia americana)- Smartweed Riverbed Community       no  
No Class Contributors.
Details 09-Aug-2006
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Justicia americana Riverbed Vegetation       no  
No Class Contributors.


User Defined Values
No User Defined Data for this plot