[Wikipedia] Toxicity: All species of Leucojum are poisonous, as the leaves and bulbs contain the toxic alkaloids lycorine and galantamine. (link added by Mary Ann Machi)
Calflora:
Information on California plants for education, research and conservation,
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[web application]. 2025.The Calflora Database
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https://www.calflora.org/(Accessed: 03/28/2025).