Mayweed

Also known as: Poison Daisy, Stinking Chamomile

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Clinical Signs: Contact dermatitis, vomiting, diarrhea, anorexia, allergic reactions. Long term use can lead to bleeding tendencies.
Family: Asteraceae
Scientific Name: Anthemis cotula
Toxic Principles: Volatile oil; bisabolol, chamazulene, anthemic acid, tannic acid

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