 Acer negundo |
 Acer saccharum |
 Acer saccharum |
 Ailanthus altissima |
 Amelanchier alnifolia |
 Hydrangea quercifolia |
 Kerria japonica |
 Malus |
 Populus alba |
 Rhus radicans |
 Salix |
 Syringa amurensis |
Acer negundo |
Acer saccharum |
Acer saccharum |
Ailanthus altissima |
Amelanchier alnifolia |
Hydrangea quercifolia |
Kerria japonica |
Malus |
Populus alba |
Rhus radicans |
Salix |
Syringa amurensis |
 Amelanchier alnifolia |
 Fraxinus pennsylvanica |
 Gymnocladus dioica |
 Morus alba |
 Populus deltoides |
 Fraxinus pennsylvanica |
 Acer platanoides |
 Acer saccharinum |
 Fraxinus pennsylvanica |
 Hydrangea quercifolia |
 Anas platyrhynchos |
 Acer negundo |
 Acer platanoides |
 Acer platanoides2 |
 Acer saccharum |
 Cercis canadensis |
 Gymnocladus dioica |
 Liquidambar styraciflua |
 Ulmus americana |
 Celtis occidentalis |
 Geranium maculatum |
 Morus alba |
 Celtis occidentalis |
 Ginkgo biloba |
 Ginkgo biloba |
 Heptageniidae |
 Pinus strobus |
 Platanus occidentalis |
 Acer negundo |
 Ulmus americana |
 Ulmus americana |
 Acer negundo |
 Ambrosia artemisiifolia |
 Argia apicalis |
 Argia apicalis |
 Argia apicalis |
 Celtis occidentalis |
 Celtis occidentalis |
 Argia apicalis |
 Argia apicalis |
 Calopteryx maculata |
 Celtis occidentalis |
 Rhus typhina |
 Acer rubrum |
 Phalacrocorax auritus |
 Aix sponsa |
 Ardea herodias |
 Argia moesta |
 Calopterygidae |
 Heptageniidae |
 Hydrangea quercifolia |
 Lonicera tatarica |
 Verbascum thapsus |
 Root |
Updated Jul 29, 2009 |  Peter Chen |