- Aconite (aka Monkshood)
- African rue
- Alsike clover
- Agave lecheguilla
- Amarylis
- Arrow grass
- Autumn crocus
- Azalea
- Baneberry aka Dollseye
- Barberry aka Mandrake
- Beargrass
- Begonia, sand
- Belladonna aka Nightshade
- Bird of paradise
- Bitterweed, rubberweed
- Black laurel & Mtn. laurel
- Black locust
- Black nightshade berry
- Bladder pod, rattlebox,
- Sesbane
- Bittersweet
- Bleeding heart
- Boxwood
- Bracken fern
- Broom snakeweed
- Buckeyes
- Buckwheat
- Buffalo burr
- Burning Bush
- Burroweed,Rayless goldenrod
- Bursage, white ragweed
- Buttercups
- Butterfly weed
- Calla lily
- Calamondin orange tree
- Carnation
- Castor bean
- Catclaw
- Cherry
- Chinaberry
- Chokecherry, Wild cherry,
- Wild plums, Pin cherry
- Christmas cherry, Christmas rose
- Cocklebur
- Copperweed
- Cowslip (Marsh Marigold)
- Crotalaria
- Crown of Thorns
- Cyclamen
- Daffodil
- Daisy
- Daphne
- Deadly nightshade
- Death camas, sandcorn
- Delphinium
- Devils ivy
- Devils weed
- Diffenbachia
- Dock
- Dumbcane (popular houseplant)
- English holly/English ivy
- Elderberry
- Elephant ears
- English Ivy
- Eucalyptus (questionable)
- Eyebane
- False hellebore, corn lily
- Fiddleneck
- Firecracker
- Fly poison, Stagger grass,
- Friars Cap
- Crow poison
- Foxglove
- Geranium
- Gingko Tree
- Golden chain tree
- Greasewood
- Groundsel
- Gumweed
- Halogeton glomeratus
- Heaths
- Hellebore
- Helmet Flower
- Hemlock, Poison hemlock,
- Water hemlock
- Henbane
- Hollyberry aka Holly
- Honeysuckle
- Horsebrush
- Horsechestnut
- Horsetail
- Hyacinth
- Hydrangea blossum
- Indian hemp
- Indian Poke
- Inkweed, drymary
- Iris
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- Ivybush
- Jack-in-the-pulpit
- Jequirity bean
- Jerusalem cherry
- Jimsonweed, Thornapple
- Johnson grass
- Juniper
- Labrador Tea
- Laburnum
- Lantana
- Larkspurs
- Laurel
- Lillies-Easterlily, hyacinth,tulip, camass lily
- Lily of the Valley
- Lobelia
- Locoweed
- Lupine
- Manchineel
- Mandrake & Mayapple
- Mayapple
- Mescal bean
- Mesquite
- Milkweed
- Mistletoe
- Monkshood(Buttercup,
- Leopard Bane)
- Moonseed
- Morning glory
- Mountain Laurel
- Mountain mahogany
- Mushrooms
- Mustards, crucifers, cress
- Narcissus(Daffodil& Jonquil)
- Needlepoint ivy
- Nightshade
- Oak Brush
- Oak tree (acorns & young leaf buds)
- Oleander
- Orange sneezeweed
- Oxallis
- Peach
- Pasque flower
- Philodendron
- Podocarpus
- Poinciana
- Poinsettia
- Poison ivy
- Poison suckleys
- Poison sumac
- Poison hemlock
- Pokeweed
- Poppy
- Potato plant
- Pothos
- Princes's plume
- Privet
- Pyrocantha
- Ragwort
- Rhododendron
- Rhubarb
- Rosary Pea
- Russian thistle
- Rusty Leaf
- Scotch Broom
- St. Johnswort, Klamath weed
- Silverling
- Skunk cabbage
- Sneeze Weed
- Snow-on-the-mountain
- Sorghum
- Sorrel
- Sour dock
- Spathe flower
- Spindle Tree
- Spurges
- Star of Bethlehem
- String of pearls
- Sweet Pea
- Swamp Laurel
- Tomato leaves
- Tansy ragwort
- Thornapple
- Timber Milk Vetch
- Tobacco tree, tobacco
- Trumpet vine
- Vetch
- Violet seeds
- Water Hemlock
- White Baneberry
- White Hellebore
- White snakeroot
- Wild carrots
- Wild cucumber
- Wild parsnip
- Wild peas
- Wisteria
- Yellow jessamine
- Yew tree
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