Washington Flora Checklist

A Checklist of the Vascular Plants of Washington State
Hosted by the University of Washington Herbarium, Burke Museum

Checklist » Hypericaceae » Hypericum perforatum

Last updated 1/28/2024 by David Giblin.

Hypericum perforatum L.[HC, HC2, IFBC]

common St. John's wort, Klamath weed

Publication: Sp. Pl. 2: 785. 1753.

Origin: Introduced from Europe

selected vouchers: WTU

Notes:

References: (none)

Infraspecies:

ssp. perforatum [HC2]

Synonyms & Misapplied Names:

(none)