- Alacia
- Amaryllis - bulbs
- American Yew
- Apricot
- Autumn Crocus/Meadow - Saffron
- Avocado
- Azalea - leaves
- Balsam Pear - seeds, outer rind of fruit
- Baneberry - berries, root
- Beans - all types if uncooked
- Birch
- Bird of Paradise - seeds
- Bittersweet Nightshade
- Black Locust - bark, sprouts, foliage
- Bloodroot
- Blue-green Algae - some forms toxic
- Boxwood - leaves, stems
- Bracken Fern
- Broomcorn Grass
- Buckthorn - fruit, bark
- Buttercup - sap, bulbs
- Caladium - leaves
- Calla Lily - leaves
- Candelabra Tree
- Cardinal Flower
- Castor Bean - also castor oil, leaves
- Chalice Vine/Trumpet vine
- Cherry Tree - bark, twigs, leaves, pits
- Chinaberry Tree
- Christmas Candle - sap
- Clematis/Virginia Bower
- Coral Plant - seeds
- Coriander
- Cowslip/Marsh Marigold
- Crown of Thorns
- Croton
- Curry Powder
- Daffodil - bulbs
- Daphne - berries
- Datura - berries
- Deadly Amanita
- Death Camas
- Delphinium
- Deffenbachia/Dumb Cane - leaves
- Eggplant - fruit okay
- Elderberry
- Elephants Ear/Taro - leaves, stem
- English Ivy berries, leaves
- English Yew
- Euonymus/Spindle Tree
- False Hellebore
- False Henbane
- Ficus (weeping)
- Firethorn/Pyracantha
- Fly Agaric Mushroom
- Deadly Amanita
- Four O'Clock
- Foxglove - leaves, seeds
- Golden Chain/Laburnum
- Glory Bean
- Ground Cherry
- Hemlock - including the water the plant is in
- Henbane - seeds
- Holly - berries
- Honey Locust
- Honeysuckle
- Horse Chestnut/Buckeye - nuts, twigs
- Horsetail
- Hyacinth - bulbs
- Hydrangea - flower bud
- Indian Licorice Bean
- Indian Turnip/Jack-in-Pulpit
- Iris/Blue Flag - bulbs
- Ivy
- Jack-in-the-Pulpit
- Japanese Yew - needles, seeds
- Jasmine
- Java Bean - lima bean - uncooked
- Jimsonweed/Thornapple
- Jerusalem Cherry - berries
- Johnson Grass
- Juniper - needles, stems, berries

- Kentucky Coffee Tree
- Lantana - immature berries
- Larkspur
- Laurel
- Lily of the Valley - also water the plant is in
- Lobelia
- Locoweed
- Lords and
- Ladies/Cuckoopint
- Lupines/Bluebonnet
- Mandrake
- Mango Tree - wood, leaves, rind - fruit safe
- Marijuana/Hemp - leaves
- Mayapple - fruit is safe
- Mescal Beans - seeds
- Mistletoe - berries
- Mock Orange - fruit
- Monkshood/Aconite - leaves, root
- Moonseed
- Morning Glory
- Mountain Laurel
- Mushrooms - several varieties
- Narcissus - bulbs
- Nectarine
- Nettles
- Nightshade - all varieties
- Nutmeg, nectar
- Oak - acorns, foliage
- Oleander - leaves, branches
- Peach
- Peanuts - raw
- Pencil Tree
- Periwinkle
- Philodendron - leaves and stem
- Pigweed
- Pikeweed
- Pine needles - berries
- Plum
- Pointsetta - leaves, roots, immature
- Poison Ivy - sap
- Poison Oak - sap
- Pomegranates
- Pokeweed/Inkberry - leaf, root, young berries
- Potato - eyes, new shoots
- Pothos
- Privet
- Prune
- Rain Tree
- Ranunculus/Buttercup
- Red Cedar
- Red Maple
- Red Oak
- Rhododendron
- Rhubarb - leaves
- Rosary Peas/Indian
- Licorice - seeds
- Sandbox Tree
- Scarlet Runner Beans
- Skunk Cabbage
- Snowdrop
- Snowflake
- Snow on the Mountain / Ghostweed
- Sorghum Grass
- Sorrel
- Sudan Grass
- Sweet Pea - seeds, fruit
- Tansy Ragwort
- Tobacco - leaves
- Vetch
- Virginia Creeper - sap
- Water Hemlock
- Western Yew
- Wisteria
- Yam bean - roots, immature roots
- Yello Jasmine
- Yew (Amer,Engl,Japan) - needles, thistles