Northern Ontario Plant Database
Synonymy
Synonymy - Hypericum perforatum
Hypericaceae St. John's-wort Family
Hypericum perforatum L.
common St. Johnswort, Klamathweed
; Fr: millepertuis perforé, pertuisane
Hypericum perforatum subsp. perforatum L.
common St. Johnswort, klamath weed, perforate St. Johnswort
; Fr: millepertuis commun, millepertuis perforé
- [=Hypericum angustifolium Lowe 1833, nom. illeg., non Lam. 1797]
- [=Hypericum commutatum Nolte]
- [=Hypericum foliosissimum Koidz.]
- [=Hypericum lineolatum Jord.]
- [=Hypericum marylandicum Biroli ex Colla]
- [=Hypericum nachitschevanicum Grossh.]
- [=Hypericum noëanum Boiss.]
- [=Hypericum officinale Gaterau, nom. illeg.]
- [=Hypericum perforatum L. subsp. angustifolium (DC.) A.Fröhl.]
- [=Hypericum perforatum L. subsp. angustifolium (DC.) Gaudin]
- [=Hypericum perforatum L. subsp. lineolatum (Jord.) Berher]
- [=Hypericum perforatum L. subsp. vulgare (Lam.) Gaudin]
- [=Hypericum perforatum L. var. angustifolium DC.]
- [=Hypericum perforatum L. var. confertiflora Debeaux]
- [=Hypericum perforatum L. var. mediterraneum Rouy & Foucaud]
- [=Hypericum perforatum L. var. microphyllum H.Lév.]
- [=Hypericum plasonii Formánek]
- [=Hypericum stenophyllum Opiz]
- [=Hypericum vulgare Necker 1768, nom. illeg., non Lam. 1779]