Acer pensylvanicum (striped maple) Acer rubrum (red maple, swamp maple) Aquilegia canadensis (eastern red columbine) Aureolaria grandiflora (large-flowered false foxglove) Aureolaria pedicularia (fern-leaved false foxglove) Aureolaria virginica (downy false foxglove) Baptisia tinctoria (yellow wild indigo) Betula alleghaniensis (yellow birch) Betula lenta (sweet birch, cherry birch) Betula papyrifera (paper birch, white birch) Betula nigra (river birch) Betula populifolia (gray birch) Bidens cernua (nodding beggarticks) Brasenia schreberi (watershield) Caltha palustris (marsh-marigold) Capnoides sempervirens (pink corydalis) Carex pensylvanica (Pennsylvania sedge) Carpinus caroliniana (American hornbeam) Carya glabra (pignut hickory) Chamaecrista fasciculata (showy partridge pea) Chamaecrista nictitans (sensitive partridge pea) Coreopsis grandiflora (large-flowered tickseed) Cornus florida (flowering dogwood) Corylus americana (American hazelnut) Cyperus esculentus (yellow nutsedge) Dasiphora fruticosa (shrubby cinquefoil) Diervilla lonicera (northern bush honeysuckle) Dulichium arundinaceum (three-way sedge) Erythronium americanum (yellow trout lily) Eurybia divaricata (white wood aster) Euthamia graminifolia (flat-top goldentop) Hamamelis virginiana (common witchhazel) Helenium autumnale (common sneezeweed) Helenium flexuosum (purple-headed sneezeweed) Helianthus decapetalus (ten-petaled sunflower) Helianthus divaricatus (woodland sunflower) Hieracium paniculatum (Allegheny hawkweed) Hudsonia tomentosa (beach heather) Hypericum boreale (northern St. John's-wort) Hypericum canadense (Canada St. John's wort) Hypericum ellipticum (pale St. John's-wort) Hypericum gentianoides (orange-grass St. John's-wort) Hypoxis hirsuta (yellow star-grass) Juniperus communis (common juniper) Juniperus virginiana (eastern redcedar) Lactuca canadensis (Canada wild lettuce) Lilium canadense (Canada lily) Lindera benzoin (spicebush) Lysimachia ciliata (fringed yellow loosestrife) Lysimachia quadrifolia (whorled loosestrife) Lysimachia terrestris (swamp candles) Medeola virginiana (Indian cucumber-root) Melampyrum lineare (cow-wheat) Monarda punctata (spotted beebalm) Monotropa hypopitys (pinesap) Myrica gale (bog myrtle) Nabalus altissimus (tall rattlesnake-root) Oenothera biennis (evening primrose) Packera aurea (golden groundsel) Packera paupercula (balsam groundsel) Platanus occidentalis (American sycamore) Populus deltoides (eastern cottonwood) Populus grandidentata (bigtooth aspen) Populus tremuloides (quaking aspen) Potentilla canadensis (dwarf cinquefoil) Potentilla norvegica (rough cinquefoil) Potentilla simplex (common cinquefoil) Prunus virginiana (chokecherry) Quercus ilicifolia (bear oak, scrub oak) Quercus velutina (black oak) Rhus copallinum (winged sumac) Rhus glabra (smooth sumac) Rhus typhina (staghorn sumac) Rudbeckia hirta (black-eyed Susan) Rudbeckia laciniata (green-headed coneflower) Sagittaria latifolia (broadleaf arrowhead) Salix interior (sandbar willow) Sassafras albidum (sassafras) Senna hebecarpa (wild senna) Sericocarpus asteroides (toothed white-topped aster) Solidago bicolor (silverrod) Solidago caesia (blue-stemmed goldenrod) Solidago canadensis (Canada goldenrod) Solidago juncea (early goldenrod) Solidago nemoralis (gray goldenrod) Solidago puberula (downy goldenrod) Solidago rugosa (rough goldenrod) Sparganium eurycarpum (giant bur-reed) Symplocarpus foetidus (eastern skunk cabbage) Thuja occidentalis (northern white-cedar) Toxicodendron radicans (eastern poison ivy) Utricularia gibba (creeping bladderwort) Utricularia macrorhiza (Common Bladderwort) Uvularia sessilifolia (sessile-leaved bellwort) Vaccinium angustifolium (lowbush blueberry) Veratrum viride (false hellebore) Vitis labrusca (fox grape) Vitis vulpina (frost grape) Zizia aurea (golden alexanders)