The Winterberry is poisonous for both cats and dogs.
Typical symptoms include caffeine like stimulatory effects, vomiting, depression, diarrhea, and drooling.
The Winterberry, is a species of holly native to the eastern and south-central United States, from coastal Massachusetts south to central Florida, and west to southeastern Missouri and eastern Texas.
The scientific name for this plant is Ilex opaca. Additional names for this plant include American Holly, Christmas Holly, English Holly, European Holly, Gallberry Shrubs, Oregon Holly, and White Holly.
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