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Will Echinacea angustifolia be no longer?(Phytotherapy Review & Commentary)(Report)

In 1968, the botanist McGregor reported on a 15-year journey studying wild Echinacea plants from populations throughout its entire geographical range in North America. (1) As a result of this work, McGregor recognized nine species and four varieties of the genus Echinacea, and the classification and names he suggested are still currently used by both herbal clinicians and regulatory authorities (e.g., Echinacea angustifolia, E. purpurea, E. pallida, and so on).

In 2001 and 2002, a group of US botanists undertook an extensive review of the Echinacea genus using morphometric analysis, and the taxonomic results have recently been republished. (1) Their analysis found that the ...

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