Equine Poison Prevention
Wilted red maple leaves
Black walnut (e.g. as shavings in bedding)
Oak (especially new-growth leaves in the springtime)
Taxus species (yew, Japanese yew, American yew, English yew, western yew, oleander, and rose laurel)
Rhododendron and azalea
White snakeroot, richweed, white sanicle, jimmy weed, rayless goldenrod, burrow weed
Yellow starthistle, St. Barnaby's thistle, Russian knapweed
Blister beetles, which can sometimes be found in alfalfa hay, especially in the Midwest and Southwest
If you suspect that your animal has ingested a poisonous substance, please call your veterinarian.
