Box Elder (Acer negundo) Buds in Spring; Box Elder (Acer negundo) Seeds in Fall, Winter; Silver Maple (Acer saccharinum) Seeds in Fall, Winter; Sugar Maple (Acer saccharum) Seeds in Fall, Winter; White Baneberry (Actaea pachypoda) Fruit in Summer; Big Blue Stem (Andropogon gerardii) Seeds in Fall, Winter; Little Bluestem Grass (Andropogon scoparius) Seeds in Fall, Winter; Wild Hyacinth (Camassia scilloides) Seeds in Summer; Wild Hyacinth (Camassia scilloides) Seeds in Fall, Winter; Rosy Sedge (Carex rosea) Seeds in Summer; Rosy Sedge (Carex rosea) Seeds in Fall, Winter; Shagbark Hickory (Carya ovata) Flowers in Spring; Shagbark Hickory (Carya ovata) Seeds in Fall, Winter; Wild Senna (Cassia hebecarpa) Seeds in Summer; Wild Senna (Cassia hebecarpa) Seeds in Fall, Winter; Eastern Redbud (Cercis canadensis) Seeds in Fall, Winter; Wild Geranium (Geranium maculatum) Seeds in Fall, Winter; Oxeye Sunflower (Heliopsis helianthoides) Seeds in Summer; Oxeye Sunflower (Heliopsis helianthoides) Seeds in Fall, Winter; Black Walnut (Juglans nigra) Fruit in Fall, Winter; Lady's Thumb (Persicaria vulgaris) Seeds in Fall, Winter; Smooth Solomon's Seal (Polygonatum canaliculatum) Fruit in Summer; Virginia Knotweed (Polygonum virginianum) Seeds in Fall, Winter; White Oak (Quercus alba) Seeds in Fall, Winter; Chinkapin Oak (Quercus muehlenbergii) Seeds in Fall, Winter; Northern Red Oak (Quercus rubra) Seeds in Fall, Winter; Bebb's Oak (Quercus x bebbiana) Seeds in Fall, Winter; Red Trillium (Recurvatum shayii) Fruit in Summer; Indian Grass (Sorghastrum nutans) Seeds in Fall, Winter; Prairie Dropseed (Sporobolus heterolepis) Seeds in Fall, Winter; Princeton American Elm (Ulmus americana 'Princeton') Leaf Buds in Spring; Princeton American Elm (Ulmus americana 'Princeton') Seeds in Fall, Winter