Toxicoscordion venenosum
Member of
deathcamas (genus Toxicoscordion)
trillium family (family Melanthiaceae)
monocots (class Liliopsida)
flowering plants (subphylum Angiospermae)
This species has subspecies or variants that don't seem worth distinguishing.
Toxicity of snakeroot, black (Zigadenus or Zygadenus venenosus):
4 – Ingestion of these plants, especially in large amounts, is expected to cause serious effects to the heart, liver, kidneys or brain. If ingested in any amount, call the poison center immediately.
Chris’s observations: none
Not all sites agree about the scientific name:
Bay Area species: iNaturalist – Calflora