MSD Manual

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Hypericum perforatum (St. John's-wort, Goatweed, Klamath weed)
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Hypericum perforatum (St. John's-wort, Goatweed, Klamath weed)

    Hypericum perforatum (St. John's-wort, Goatweed, Klamath weed).

Courtesy of Dr. Cecil Brownie