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Carnation spurge, or Euphorbia terracina, can cause rashes, facial swelling, temporary blindness and even anaphylaxis. Photos by Suzanne Guldimann/22nd Century Media
Suzanne Guldimann, Freelance Reporter
3:00 pm PDT July 21, 2015

It’s like something from a 1950s horror film: An alien invader that spreads everywhere, is almost impossible to eradicate and can cause a severe allergic reaction that includes painful rashes, facial swelling, temporary blindness and in severe cases, anaphylaxis.