Skin irritating

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Trees, Shrubs and Woody Vines

Illustration of northern catalpa leaves, flowers, fruit.

Northern Catalpa

Catalpa speciosa
Illustration of Osage orange flowers and fruit.

Osage Orange

Maclura pomifera
Illustration of poison ivy leaves, flowers, fruits.

Poison Ivy

Toxicodendron radicans
Poisonous Icon

Poisonous

Illustration of tree-of-heaven leaves, flowers, fruit

Tree-of-Heaven

Ailanthus altissima
invasive icon

Invasive

Wildflowers, Grasses and Other Nonwoody Plants

Photo of common jimsonweed flower

Common Jimsonweed

Datura stramonium
Poisonous Icon

Poisonous

Photo of Dutchman's breeches plant with flowers

Dutchman’s Breeches

Dicentra cucullaria
Photo of flowering spurge flowers

Flowering Spurge

Euphorbia corollata
Poisonous Icon

Poisonous

Photo of Jack-in-the-pulpit plant showing foliage and flowering structure

Jack-in-the-Pulpit

Arisaema triphyllum
Poisonous Icon

Poisonous

fork and knife icon

Edible

Photo of leafy spurge seed heads

Leafy Spurge

Euphorbia esula
Poisonous Icon

Poisonous

invasive icon

Invasive

Photo of mayapple colony looking like numerous green umbrellas on forest floor

Mayapple

Podophyllum peltatum
fork and knife icon

Edible

Photo of pokeweed plant with dangling stalks of ripe and unripe berries.

Pokeweed

Phytolacca americana
Poisonous Icon

Poisonous

fork and knife icon

Edible

Photo of a Queen Anne's lace flower cluster, seen from the top
Photo of southern blue flag iris plants with flowers

Southern Blue Flag (Virginia Iris)

Iris virginica
Poisonous Icon

Poisonous

Photo of water smartweed plant and flower cluster

Water Smartweed

Persicaria amphibia (formerly Polygonum amphibium)
Photo of wild comfrey showing flower cluster

Wild Comfrey

Cynoglossum virginianum
Poisonous Icon

Poisonous

Photo of wild ginger flower

Wild Ginger

Asarum canadense
fork and knife icon

Edible

Photo of wood nettle leaves at top of plant.

Wood Nettle (Stinging Nettle)

Laportea canadensis
fork and knife icon

Edible

Photo of wood spurge flowers.

Wood Spurge

Euphorbia commutata
Photo of yarrow or common milfoil flower cluster

Yarrow (Common Milfoil)

Achillea millefolium
Photo of two small yellow lady’s slipper flowers

Yellow Lady’s Slipper

Cypripedium calceolus