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- Common name? Toxin? Effects? Treatment?
- Cow Parsnip, notable Heracleum Maximum in North America
- Furanocumarins: Angelicin (upper) and Psoralen (lower); note there are other isomers not shown
- Phototoxic vesicicular rash that form after exposed to sunlight. They intercalate with DNA leading to decreased robustness of DNA damage repair from UV sunlight.
- Treatment: supportive, wound care.