Poison Parsnip

Also known as: water hemlock, cowbane

dog unknowncat unknownhorse unknown

Clinical Signs: Diarrhea, seizures, tremors, extreme stomach pain, dilated pupils, fever, bloat, respiratory depression, and death.
Family: Apiaceae
Scientific Name: Cicuta maculata
Toxic Principles: Cicutoxin

Source: ASPCA Toxic and Non-Toxic Plants list (dogs), scraped 2026-07-14 from https://www.aspca.org/pet-care/animal-poison-control/dogs-plant-list · view original