PLEASE NOTE:
"Poisonous" does not mean deadly. Some manifestations of toxicity are subtle. The dose, as always, determines if a plant is safe source of nutrients or a toxic hazard.
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-by botanical name-by common name - Horse Chestnut, Buckeye
- Alfalfa, Lucerne
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- Belladonna, Deadly Nightshade
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- Great Lobelia, Cardinal Flower, Indian Tobacco
- Ground Ivy, Creeping Charlie, Gill over the ground
- Halogeton
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- Jimsonweed, Downy Thornapple, Devils Trumpet, Angels Trumpet
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- Mayapple, Mandrake
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- Monkey Agaric, Panther Cap, Death Cap, Death Angel
- Monkshood, Aconite, Wolfsbane
- Moonseed
- Oak Trees
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- Poison Hemlock
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- Prickly Poppy, Mexican Poppy
- Rape, Cabbage, Turnips, Broccoli, Mustard
- Red maple, Swamp maple, Soft maple
- Rhubarb
- Rosary Pea
- Senecio, Groundsels, Ragwort
- Sensitive Fern
- Silver maple, Soft maple, White maple
- Sorghum, Milo, Sudan Grass, Johnson Grass
- St. Johns Wort, Klamath Weed
- Star of Bethlehem
- Stinging Nettle
- Sugar maple, Rock maple, Hard maple
- Sweet Pea, Tangier Pea, Everlasting Pea, Caley Pea, Singletary Pea
- Tall Fescue
- Tobacco, Tree Tobacco
- Tung Oil Tree
- Various Poppies including Opium Poppy
- Water Hemlock, Cowbane
- White Snakeroot
- White Sweetclover, Yellow Sweetclover
- Wild Cherries, Black Cherry, Bitter Cherry, Choke Cherry, Pin Cherry
- Wisteria
- Yellow Star Thistle
- Yew
- Scientific & Common Name Equivalents
- Toxic Agents
- Commonly Affected Species
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