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"Poisonous" does not mean deadly. Some manifestations of toxicity are subtle. The dose, as always, determines if a plant is safe source of nutrients or a toxic hazard.

Scientific Name: Senecio spp.

Common Name: Senecio, Groundsels, Ragwort

Species Most Often Affected: horse, cattle, goats, sheep, human

Poisonous Parts: leaves

Primary Poisons: jacobine, seneciphylline

Questions possibly pertaining to Senecio spp.:

Which poisonous plants are in the Bay area of California?

Does Ragwort exist in the US or Canada?

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