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Delaware Invasive Species Tracking System

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Current Observation Information

Survey Date Scientific Name Point ID Number Obs. Cover % Repository ID Community 1 View full Detail
5/21/1997 Iris pseudacorus 84 0   None Deciduous Forested Wetland Detail
6/4/1997 Polygonum perfoliatum 88 2-10   None Pine Plantation Detail
5/17/1999 Corbicula fluminea 33 0   None Other pond/reservoir (describe in comments) Detail
6/18/1999 Cirsium arvense 46 0 51-100% None Upland Old Field/Meadow Detail
6/18/1999 Phragmites australis 46 0 51-100% None Upland Old Field/Meadow Detail
6/18/1999 Rosa multiflora 46 0 51-100% None Upland Old Field/Meadow Detail
6/18/1999 Cirsium arvense 49 0 51-100% None Upland Old Field/Meadow Detail
6/18/1999 Phragmites australis 49 0 51-100% None Upland Old Field/Meadow Detail
6/18/1999 Elaeagnus umbellata 51 0   None Upland Old Field/Meadow Detail
6/18/1999 Rosa multiflora 51 0   None Upland Old Field/Meadow Detail
6/18/1999 Lonicera japonica 51 0   None Upland Old Field/Meadow Detail
6/18/1999 Cirsium arvense 54 0 51-100% None Upland Old Field/Meadow Detail
6/18/1999 Rosa multiflora 54 0 51-100% None Upland Old Field/Meadow Detail
6/18/1999 Elaeagnus umbellata 54 0 51-100% None Upland Old Field/Meadow Detail
6/18/1999 Lonicera japonica 55 0 51-100% None Upland Old Field/Meadow Detail
6/26/1999 Corbicula fluminea 25 0   None Nontidal River/Stream Detail
6/28/1999 Phragmites australis 45 0 51-100% None Beach Detail
6/29/1999 Corbicula fluminea 24 0   None Nontidal River/Stream Detail
7/1/1999 Phragmites australis 44 0 51-100% None Upland Mixed Forest Detail
7/6/1999 Phragmites australis 40 0 51-100% None Upland Old Field/Meadow Detail
7/6/1999 Lonicera japonica 40 0 51-100% None Upland Old Field/Meadow Detail
7/8/1999 Lonicera japonica 37 0 51-100% None Upland Old Field/Meadow Detail
7/8/1999 Phragmites australis 37 0 51-100% None Upland Old Field/Meadow Detail
7/8/1999 Rosa multiflora 37 0 51-100% None Upland Old Field/Meadow Detail
7/22/1999 Lonicera japonica 42 0 11-50% None Upland Mixed Forest Detail
7/22/1999 Phragmites australis 43 0 51-100% None Saltwater/Brackish Marsh Detail
8/21/1999 Phragmites australis 34 0 51-100% None Tidal Freshwater Marsh Detail
8/21/1999 Rosa multiflora 34 0 51-100% None Tidal Freshwater Marsh Detail
8/21/1999 Lonicera japonica 34 0 51-100% None Tidal Freshwater Marsh Detail
9/6/2000 Polygonum perfoliatum 89 1,001-10,000   None Mixed Forested Wetland Detail
9/22/2000 Eichhornia crassipes 31 0 51-100% None Other pond/reservoir (describe in comments) Detail
10/10/2000 Eichhornia crassipes 28 0   None Other pond/reservoir (describe in comments) Detail
6/7/2001 Rubus idaeus ssp. Strigosus 90 1,001-10,000   None Upland Deciduous Forest Detail
6/21/2001 Acer platanoides 76 2-10   DOV Upland Deciduous Forest Detail
7/3/2001 Acer platanoides 77 2-10   None Upland Deciduous Forest Detail
7/12/2001 Polygonum perfoliatum 23 0 51-100% None Deciduous Forested Wetland Detail
9/18/2001 Pueraria montana 32 0 51-100% None Dune Shrubland Detail
9/26/2001 Hydrilla verticillata 29 0 11-50% None Other pond/reservoir (describe in comments) Detail
9/26/2001 Eichhornia crassipes 29 0 11-50% None Other pond/reservoir (describe in comments) Detail
10/24/2001 Myriophyllum aquaticum 27 0 51-100% None Other pond/reservoir (describe in comments) Detail
12/20/2001 Myocastor coypus 26 0   None Nontidal Emergent Marsh Detail
7/18/2002 Schoenoplectus mucronatus 91 11-100   None Other pond/reservoir (describe in comments) Detail
9/12/2002 Akebia quinata 78 2-10   None Upland Deciduous Forest Detail
5/7/2003 Ranunculus ficaria 80 0   None Mixed Forested Wetland Detail
5/28/2003 Lonicera morrowii 81 2-10   None Upland Deciduous Forest Detail
6/3/2003 Ranunculus ficaria 79 11-100   None Mixed Forested Wetland Detail
6/10/2003 Polygonum cuspidatum 17 0 11-50% None Roadside Detail
6/13/2003 Iris pseudacorus 18 0 2-10% None Tidal Freshwater Marsh Detail
6/13/2003 Microstegium vimineum 19 0 2-10% NONE Nontidal Emergent Marsh Detail
6/15/2003 Pseudosasa japonica 20 0 51-100% None Upland Deciduous Forest Detail
6/18/2003 Euonymus alatus 21 0 11-50% None Upland Deciduous Forest Detail
6/26/2003 Iris pseudacorus 85 101-1,000   None Tidal River/Stream Detail
6/26/2003 Iris pseudacorus 86 11-100   None Nontidal Emergent Marsh Detail
7/7/2003 Rhodotypos scandens 62 11-100 51-100% None Upland Deciduous Forest Detail
7/29/2003 Ludwigia peploides ssp. glabrescens 58 0 51-100% None Other pond/reservoir (describe in comments) Detail
7/29/2003 Polygonum cuspidatum 59 0 51-100% None Other pond/reservoir (describe in comments) Detail
8/18/2003 Carex kobomugi 65 0 51-100% None Beach Detail
8/18/2003 Carex kobomugi 66 0 51-100% None Beach Detail
8/18/2003 Carex kobomugi 67 0 51-100% None Beach Detail
8/18/2003 Carex kobomugi 68 0 51-100% None Beach Detail
8/18/2003 Carex kobomugi 69 0 51-100% None Beach Detail
8/18/2003 Carex kobomugi 70 0 51-100% None Beach Detail
8/18/2003 Carex kobomugi 71 0 51-100% None Beach Detail
8/18/2003 Carex kobomugi 72 0 51-100% None Beach Detail
8/19/2003 Carex kobomugi 73 0 51-100% None Beach Detail
8/20/2003 Pueraria montana 63 0   PRIVATE Roadside Detail
8/21/2003 Carex kobomugi 74 0 51-100% None Beach Detail
8/21/2003 Carex kobomugi 75 0 51-100% None Beach Detail
8/26/2003 Lythrum salicaria 60 0 51-100% NONE Ditch/Canal Detail
8/26/2003 Lythrum salicaria 61 0 < 1% NONE Roadside Detail
8/26/2003 Murdannia keisak 87 101-1,000 51-100% None Tidal Freshwater Marsh Detail
8/26/2003 Schoenoplectus mucronatus 92 11-100   None Other pond/reservoir (describe in comments) Detail
9/2/2003 Pueraria montana 95 0   None Roadside Detail
9/10/2003 Schoenoplectus mucronatus 64 11-100 2-10% None Other pond/reservoir (describe in comments) Detail
10/13/2003 Murdannia keisak 94 0   None Tidal Freshwater Marsh Detail
10/17/2003 Murdannia keisak 93 0   None Tidal Freshwater Marsh Detail




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For questions about the DISTS project, contact john_a_young@usgs.gov
For questions about the data or about invasive species in Delaware, contact olin.allen@state.de.us
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Last Modified: November 7, 2003 jay