 Acalypha rhomboidea (Common Three-Seeded Mercury) |
 Acer negundo (Ash-Leaved Maple) |
 Acer pensylvanicum (Striped Maple) |
 Acer rubrum (Red Maple) |
 Acer saccharinum (Silver Maple) |
 Acer saccharum (Sugar Maple) |
 Acer spicatum (Mountain Maple) |
 Aconitum uncinatum (Southern Blue Monkshood) |
 Actaea pachypoda (White Baneberry) |
 Aesculus glabra (Ohio Buckeye) |
 Agrimonia species (Agrimony) |
 Allium tricoccum (Wild Leek) |
 Alnus species (Alder) |
 Amelanchier species (Shadbush) |
 Andromeda polifolia (Bog Rosemary) |
 Andropogon virginicus (Yellow Bluestem) |
 Anemone virginiana (Thimbleweed) |
 Aquilegia canadensis (Wild Columbine) |
 Aralia nudicaulis (Wild Sarsaparilla) |
 Aralia racemosa (Spikenard) |
 Aralia spinosa (Devil's Walking-Stick) |
 Arctostaphylos uva-ursi (Bearberry) |
 Arisaema triphyllum (Jack-in-the-Pulpit) |
 Aronia species (Chokeberry) |
 Asclepias incarnata (Swamp Milkweed) |
 Asclepias syriaca (Common Milkweed) - Closed Pod |
 Asclepias syriaca (Common Milkweed) - Open Pod |
 Asclepias tuberosa (Butterfly Milkweed) |
 Asimina triloba (Pawpaw) |
 Betula species (Birch) |
 Bidens bipinnata (Spanish Needles) |
 Cakile edentula (Sea-Rocket) |
 Calla palustris (Wild Calla) |
 Carex aurea (Golden-Fruited Sedge) |
 Carpinus caroliniana (Ironwood) |
 Carya cordiformis (Bitternut Hickory) |
 Carya ovata (Shagbark Hickory) |
 Castanea dentata (American Chestnut) |
 Catalpa speciosa (Northern Catalpa) |
 Caulophyllum species (Blue Cohosh) |
 Ceanothus americanus (New Jersey Tea) |
 Celastrus scandens (American Bittersweet) |
 Celtis occidentalis (Common Hackberry) |
 Cenchrus species (Sand-Bur) |
 Cephalanthus occidentalis (Buttonbush) |
 Cercis canadensis (Eastern Redbud) |
 Chamaedaphne calyculata (Leatherleaf) |
 Chimaphila maculata (Spotted Wintergreen) |
 Clematis viorna (Leatherflower) |
 Clematis virginiana (Virgin's Bower) |