Flora of the Southeastern United States
2022 Edition

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HYPERICACEAE

Hypericum perforatum Linnaeus. European St. John’s-wort, Klamath-weed. Phen: Jun-Sep. Hab: Fields, pastures, roadsides, woodland borders. Dist: Native of Europe. See Duncan (1985) for documentation for GA.

Origin/Endemic status: Europe

Syn: = Ar, C, F, G, GrPl, Il, K1, K3, K4, Mi, Mo2, NcTx, Pa, RAB, S, Tn, Va, W, WV, Adams (1973); = Hypericum perforatum ssp. perforatum – FNA6, NE, NY, Robson (1985, 1990, 2001, 2002, 2006)

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image of plant© Erik Danielson
image of plant© Bruce A. Sorrie
image of plant© Bruce A. Sorrie
image of plant© Erik Danielson
image of plant© Erik Danielson
image of plant© Erik Danielson