Some part of these
plants MAY be known to be mildly to severely toxic to either animals and/or
humans. They might cause symptoms either externally or internally. The list of
hazardous plants is NOT complete and should be used as a
guideline only. It is based on information obtained from the web sites listed in
a Google search on "poison
plants" (opens new window). Use these for more detailed information.
To search for other Wisconsin poisonous species-
County and Status Search. Choose Hazard/Poison - "Yes", and any other criteria.