pokeweed, asclepias, monkshood, stinging nettle, crown vetch, rhizomatous, cocklebur, tansy, pondweed, highbush cranberry, jewelweed, bull thistle, leafminer, jimson weed, wood sorrel, webworm, cow parsnip, bladderwort, juglone, jimsonweed, henbane, sago palm, tansy ragwort, hoary cress, mullein, deadly nightshade, toadflax, datura, hogweed, horsetails, poison sumac, nightshades, elodea, sumacs, chinkapin, yaupon, creosote bush, snowberry, dieffenbachia, bayberry, groundsel, marsh marigold, white snakeroot, aconitum, chickweed, swamp milkweed, foxglove, pipevine, snakeroot, asparagus fern, reed canary grass, oxalis, vinca minor, lovage, pennywort, swallow wort, serviceberries, eupatorium, creeping charlie, thimbleberry, kochia, chokeberries, aristolochia, goutweed, boletes, knotweed, sweet clover, mealybugs, cardoon, teasel, bunchberry, catalpa, sweet marjoram, parthenium, pennisetum, coontie, petty spurge, amanita, locoweed, mugwort, smartweed, brugmansia, butternuts, hemlock, henbit, bitterbrush, bay laurel, festuca, honeysuckles, burdock, oriental bittersweet, red osier dogwood, adzuki, prussic acid, ostrich fern, vulgare, hornworm, wild parsnip, vaccinium, clarkia, spicebush, purslane

poisonous plant

california fern, conium maculatum, hemlock, nebraska fern, poison parsley, winter fern