Ranger's Button

Also known as: White Heads

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Clinical Signs: Photosensitization (sunburn, dermatitis), large amounts are needed to cause this effect
Family: Apiaceae
Scientific Name: Sphenosciadium capitellatum
Toxic Principles: Furanocoumarins

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