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DEWA.108
» Citation URL: http://vegbank.org/cite/urn:lsid:ecoobs.vegbank.org:observation:8132-{69C9D6A0-2AC5-4690-9A9E-7A43DD36E5DC}
» Citing info
Plot ID Fields: 
Author Plot Code ? DEWA.108
Author Observation Code ? DEWA.108.2003
Original Data Location ? This observation was uploaded from NatureServe's Ecological Observations Database (EcoObs), version 13 June 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 ? 41.1 º
Longitude ? -75 º
State or Province ? Pennsylvania
Country ? United States
Named Places
area|country|territory: United States
region|state|province: Pennsylvania
Layout Fields: 
Shape ? Square
Area ? 400
Permanence ? not permanent
Environment Fields: 
Elevation ? 79 m
Slope Aspect ? (n/a, flat) º
Slope Gradient ? 0 º
Topographic Position ? Low level
Landform ? island
Representativeness ? Plot is typical of forested portion of island. Canopy gaps (not sampled) may have high cover of Matteucia and Polygonum cuspidatum compared to plot.
Soil Drainage ? moderately well drained
Percent Bedrock ? 0 %
Percent Wood ? 5 %
Percent Litter ? 50 %
Percent Bare Soil ? 40 %
Percent Water ? 0 %
Methods Fields: 
Observation Start Date ? 26-Aug-2003
Observation End Date ? 26-Aug-2003
Date Accuracy ? Exact
Project ? Pennsylvania HP Delaware Water Gap
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: 
Observation Narrative ? Leaf litter is sparse, may have enough litter to carry fire only in fall
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 Acer saccharinum Acer saccharinum L. Acer saccharinum silver maple ACSA2 Acer saccharinum L. Acer saccharinum silver maple ACSA2 Canopy
38 %
        -none-
2 Acer saccharum Acer saccharum Marsh. Acer saccharum sugar maple ACSA3 Acer saccharum Marsh. Acer saccharum sugar maple ACSA3 Canopy
38 %
        -none-
3 Juglans nigra Juglans nigra L. Juglans nigra black walnut JUNI Juglans nigra L. Juglans nigra black walnut JUNI Canopy
0.5 %
        -none-
4 Platanus occidentalis Platanus occidentalis L. Platanus occidentalis American sycamore PLOC Platanus occidentalis L. Platanus occidentalis American sycamore PLOC Canopy
0.5 %
        -none-
5 Acer saccharum Acer saccharum Marsh. Acer saccharum sugar maple ACSA3 Acer saccharum Marsh. Acer saccharum sugar maple ACSA3 Sub-Canopy
38 %
        -none-
6 Leersia virginica Leersia virginica Willd. Leersia virginica whitegrass LEVI2 Leersia virginica Willd. Leersia virginica whitegrass LEVI2 Herbaceous
38 %
        -none-
7 Ageratina altissima var. altissima Ageratina altissima (L.) King & H. Rob. var. altissima Ageratina altissima var. altissima white snakeroot AGALA Ageratina altissima (L.) King & H. Rob. var. altissima Ageratina altissima var. altissima white snakeroot AGALA Herbaceous
8 %
        -none-
8 Microstegium vimineum Microstegium vimineum (Trin.) A. Camus Microstegium vimineum Nepalese browntop MIVI Microstegium vimineum (Trin.) A. Camus Microstegium vimineum Nepalese browntop MIVI Herbaceous
2 %
        -none-
9 Carex Carex L. Carex sedge CAREX Carex L. Carex sedge CAREX Herbaceous
2 %
        -none-
10 Polygonum persicaria Polygonum persicaria L. Polygonum persicaria spotted ladysthumb POPE3 Polygonum persicaria L. Polygonum persicaria spotted ladysthumb POPE3 Herbaceous
2 %
        -none-
11 Pilea pumila Pilea pumila (L.) A. Gray Pilea pumila Canadian clearweed PIPU2 Pilea pumila (L.) A. Gray Pilea pumila Canadian clearweed PIPU2 Herbaceous
0.5 %
        -none-
12 Polygonum cuspidatum Polygonum cuspidatum Siebold & Zucc. Polygonum cuspidatum Japanese knotweed POCU6 Polygonum cuspidatum Siebold & Zucc. Polygonum cuspidatum Japanese knotweed POCU6 Herbaceous
0.5 %
        -none-
13 Viola Viola L. Viola violet VIOLA Viola L. Viola violet VIOLA Herbaceous
0.5 %
        -none-
14 Carex Carex L. Carex sedge CAREX Carex L. Carex sedge CAREX Herbaceous
0.5 %
        -none-
15 Artemisia vulgaris Artemisia vulgaris L. Artemisia vulgaris common wormwood ARVU Artemisia vulgaris L. Artemisia vulgaris common wormwood ARVU Herbaceous
0.5 %
        -none-
16 Agrostis perennans Agrostis perennans (Walter) Tuck. Agrostis perennans upland bentgrass AGPE Agrostis perennans (Walter) Tuck. Agrostis perennans upland bentgrass AGPE Herbaceous
0.5 %
        -none-
17 Alliaria petiolata Alliaria petiolata (M. Bieb.) Cavara & Grande Alliaria petiolata garlic mustard ALPE4 Alliaria petiolata (M. Bieb.) Cavara & Grande Alliaria petiolata garlic mustard ALPE4 Herbaceous
0.5 %
        -none-
18 Arisaema triphyllum Arisaema triphyllum (L.) Schott Arisaema triphyllum Jack in the pulpit ARTR Arisaema triphyllum (L.) Schott Arisaema triphyllum Jack in the pulpit ARTR Herbaceous
0.5 %
        -none-
19 Glechoma hederacea Glechoma hederacea L. Glechoma hederacea ground ivy GLHE2 Glechoma hederacea L. Glechoma hederacea ground ivy GLHE2 Herbaceous
0.5 %
        -none-
20 Matteuccia struthiopteris Matteuccia struthiopteris (L.) Todaro Matteuccia struthiopteris ostrich fern MAST Matteuccia struthiopteris (L.) Todaro Matteuccia struthiopteris ostrich fern MAST Herbaceous
0.5 %
        -none-
21 Onoclea sensibilis Onoclea sensibilis L. Onoclea sensibilis sensitive fern ONSE Onoclea sensibilis L. Onoclea sensibilis sensitive fern ONSE Herbaceous
0.5 %
        -none-
22 Phytolacca americana Phytolacca americana L. Phytolacca americana American pokeweed PHAM4 Phytolacca americana L. Phytolacca americana American pokeweed PHAM4 Herbaceous
0.5 %
        -none-
23 Rumex obtusifolius Rumex obtusifolius L. Rumex obtusifolius bitter dock RUOB Rumex obtusifolius L. Rumex obtusifolius bitter dock RUOB Herbaceous
0.5 %
        -none-
24 Thalictrum Thalictrum L. Thalictrum meadow-rue THALI2 Thalictrum L. Thalictrum meadow-rue THALI2 Herbaceous
0.5 %
        -none-
25 Toxicodendron radicans Toxicodendron radicans (L.) Kuntze Toxicodendron radicans eastern poison ivy TORA2 Toxicodendron radicans (L.) Kuntze Toxicodendron radicans eastern poison ivy TORA2 Herbaceous
0.5 %
        -none-
26 Aster Aster L. Aster aster ASTER Aster L. Aster aster ASTER Herbaceous
0.5 %
        -none-
27 Polygonum virginianum Polygonum virginianum L. Polygonum virginianum jumpseed POVI2 Polygonum virginianum L. Polygonum virginianum jumpseed POVI2 Herbaceous
0.5 %
        -none-
28 Carya cordiformis Carya cordiformis (Wangenh.) K. Koch Carya cordiformis bitternut hickory CACO15 Carya cordiformis (Wangenh.) K. Koch Carya cordiformis bitternut hickory CACO15 Short Shrub
2 %
        -none-
29 Acer saccharum Acer saccharum Marsh. Acer saccharum sugar maple ACSA3 Acer saccharum Marsh. Acer saccharum sugar maple ACSA3 Short Shrub
2 %
        -none-
30 Prunus serotina Prunus serotina Ehrh. Prunus serotina black cherry PRSE2 Prunus serotina Ehrh. Prunus serotina black cherry PRSE2 Short Shrub
0.5 %
        -none-
31 Robinia pseudoacacia Robinia pseudoacacia L. Robinia pseudoacacia black locust ROPS Robinia pseudoacacia L. Robinia pseudoacacia black locust ROPS Short Shrub
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 ?
Canopy   28 m 90 %
Sub-Canopy   18 m 30 %
Short Shrub   0.8 m 5 %
Herbaceous   0.8 m 50 %
Nonvascular   0.3 m 5 %
This table is SORTABLE. Click the headers to sort ascending and descending.
Observation Contributors:
Party ?Role ?
Perles, Stephanie Author
Podniesinski, Greg Author
Community Classification:
More Classification Start Date ? Community AssignmentsContributors
Details 26-Aug-2003
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Silver maple floodplain forest       no  
No Class Contributors.
Details 26-Aug-2003
Community Concept ?Class Fit ?Class Confidence ?Community Authority Reference ?Typal ?
Acer saccharinum - Fraxinus pennsylvanica - Ulmus americana Floodplain Forest       no  
No Class Contributors.


User Defined Values
No User Defined Data for this plot