Smithsonian National Museum of Natural History:
Liriodendron tulipifera (tulip-tree, tulip poplar)
Smithsonian National Museum of Natural History:
Dicentra cucullaria (Dutchman's-breeches)
Smithsonian National Museum of Natural History:
Erythronium americanum (yellow trout-lily, yellow fawn-lily, adder's-tongue)
Smithsonian National Museum of Natural History:
Monotropa uniflora (Indian-pipe)
Smithsonian National Museum of Natural History:
Anemone quinquefolia (wood anemone)
Smithsonian National Museum of Natural History:
Rudbeckia laciniata (tall or green-headed coneflower)
Smithsonian National Museum of Natural History:
Baptisia australis (blue false or wild indigo)
Smithsonian National Museum of Natural History:
Passiflora incarnata (maypops)
Smithsonian National Museum of Natural History:
Cypripedium acaule (pink lady's-slipper)
Smithsonian National Museum of Natural History:
Helenium autumnale (common sneezeweed)
Smithsonian National Museum of Natural History:
Asimina triloba (paw-paw)
Smithsonian National Museum of Natural History:
Cerastium arvense (field chickweed)
Smithsonian National Museum of Natural History:
Eupatorium coelestinum (mist-flower)
Smithsonian National Museum of Natural History:
Ilex opaca (American holly)
Smithsonian National Museum of Natural History:
Verbena hastata (blue vervain, prostrate vervain)
Smithsonian National Museum of Natural History:
Aster novae-angliae (New England aster)
Smithsonian National Museum of Natural History:
Mitchella repens (partridge-berry)
Smithsonian National Museum of Natural History:
Claytonia virginica (spring-beauty)
Smithsonian National Museum of Natural History:
Cornus florida (flowering dogwood)
Smithsonian National Museum of Natural History:
Solidago speciosa (showy goldenrod)
Smithsonian National Museum of Natural History:
Asclepias amplexicaulis (clasping milkweed)
Smithsonian National Museum of Natural History:
Mertensia virginica (Virginia bluebells)
Smithsonian National Museum of Natural History:
Chimaphila maculata (spotted wintergreen)
Smithsonian National Museum of Natural History:
Oenothera fruticosa (southern sundrops)
Smithsonian National Museum of Natural History:
Hamamelis virginiana (witch-hazel)
Smithsonian National Museum of Natural History:
Hepatica americana (round-lobed hepatica)
Smithsonian National Museum of Natural History:
Trillium grandiflorum (big white trillium, white wake-robin, large-flowered trillium)
Smithsonian National Museum of Natural History:
Alnus serrulata (common alder, smooth alder)
Smithsonian National Museum of Natural History:
Asarum canadense (wild ginger)
Smithsonian National Museum of Natural History:
Osmunda cinnamomea (cinnamon fern)
