Aconite (aconitine)
Autumn Crocus (colchicine)
Azalea (grayanotoxins and other resinoids)
Bleeding Heart (isoquinolone alkaloids)
Castor Bean (ricin)
Cyclamen (cyclamine)
Daffodil (galanthamine and lycorine)
Elephant Ear (oxalic acid)
Foxglove (cardiac and steroidal glycosides)
Hyacinth (alkaloid toxins)
Iris (cardiac glycosides, especially convallatoxin)
Jasmine (unknown)
Kalanchoe (bufadienolide cardiac glycosides)
Larkspur (delphinine)
Lilies-Renal failure in cats.
Laurels (cyanogenic glycosides)
Marijuana (tetrahydrocannabinol, glycosides and
alkaloids)
Mistletoe (viscotoxin)
Monkshood (aconitine)
Mushrooms (amatoxins, phallotoxins, and
virotoxins)
Oleander (oleandrin, neriine, and rosagenin)
Poinsettia (terpenoids)
Rhododendron (grayanotoxin)
Rhubarb (oxalic and nephrotoxic acid)
Rosary Pea (abrin-ricin)
Sago Palm (cycasin)
Star of Bethlehem (glycoside)
Tulips/Narcissus Bulbs
Wisteria (glycoside)
Wolfsbane (aconitine)
Yew (taxin)