USDA Certified Echinacea Purpurea Herbal Supplement Non-Irradiated Kosher Certified by QAI Support for healthy immune function Echinacea, commonly referred to as "coneflower" is a genus of nine different herbacious plants native to North America. The two primary species used in herbal preparations are E. Angustifolia and E. Purpurea, which are often used interchangeably.