Coarse prickly perennial eryngo of United States thought to cure rattlesnake bite.

synonyms: Eryngium yuccifolium, rattlesnake's master, rattlesnake master.

Coarse prickly perennial eryngo with aromatic roots; southeastern United States; often confused with rattlesnake master.

synonym: Eryngium aquaticum.

Any of various North American plants of the genus Liatris having racemes or panicles of small discoid flower heads.

synonyms: blazing star, gay-feather, gayfeather, snakeroot.