Hypericum perforatum subsp. perforatum
European St. John's Wort, Klamath Weed
Also known as: Hypericum assurgens Peterm. ex Rouy +16 more
- Hypericum assurgens Peterm. ex Rouy
- Hypericum deidesheimense Sch.Bip. ex Trevir.
- Hypericum lineolatum Jord.
- Hypericum marylandicum Biroli ex Colla
- Hypericum officinale Gaterau
- Hypericum officinale Gaterau ex Steud.
- Hypericum officinarum Crantz
- Hypericum patzkei Bomble
- Hypericum perforatum f. brevispathum A.Fröhl.
- Hypericum perforatum f. dentatum A.Fröhl.
- Hypericum perforatum f. fimbriatum A.Fröhl.
- Hypericum perforatum f. lineolatum (Jord.) A.Fröhl.
- Hypericum perforatum f. lucidum A.Fröhl.
- Hypericum perforatum subsp. lineolatum (Jord.) Berher
- Hypericum perforatum subsp. vulgare (Schimp. & Spenn.) A.Fröhl.
- Hypericum perforatum var. albiflorum Choisy
- Hypericum perforatum var. albiflorum DC.
Botanical Data
- Taxonomic Rank: Subspecies
- Botanical Family: Hypericaceae
- WCVP Morphological Data: Recorded natively as a perennial.
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Hypericum perforatum subsp. perforatum (commonly known as European St. John's-wort or Klamath Weed) is a herbaceous perennial belonging to the Hypericaceae family. Indigenous to Africa, Temperate Asia, and Europe, this subspecies is primarily associated with temperate conditions. It is a naturally occurring subspecies of Hypericum perforatum, which is linked below, along with other subspecies of this species.
Macro Climate
Temperate
Plant Type
Herbaceous Perennial
Native Range
Continents (WGSRPD)
AFRICA, ASIA-TEMPERATE, EUROPE
Regions (WGSRPD)
Eastern Europe, Middle Asia, Middle Europe, Northern Africa, Northern Europe, Siberia, Southeastern Europe, Southwestern Europe, Western Asia
Botanical Countries (WGSRPD L3)
Albania, Altay, Austria, Baltic States, Belarus, Belgium, Bulgaria, Central European Russia, Cyprus, Czechoslovakia, Denmark, East Aegean Is., East European Russia, Finland, France, Germany, Great Britain, Greece, Ireland, Italy, Kazakhstan, Krasnoyarsk, Morocco, Netherlands, Northwest European Russia, Norway, Poland, Portugal, Romania, Spain, Sweden, Switzerland, Turkey, West Siberia, Yugoslavia
Introduced Range
Plants flagged as 'Introduced' have been transported outside their native historical range by human activity. While many are common ornamentals, some may become naturalized or invasive in local environments. Local ecological guidelines require verification prior to planting.
Botanical Countries (Non-Native)
Alabama, Argentina Northeast, Argentina South, Arkansas, Brazil Southeast, British Columbia, Buryatiya, California, Canary Is., Chile South, Colorado, Connecticut, Cuba, Delaware, District of Columbia, Haiti, Hawaii, Idaho, Illinois, Indiana, Iowa, Irkutsk, Juan Fernández Is., Kansas, Kentucky, Korea, Lesotho, Madeira, Maine, Manitoba, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New York, New Zealand North, New Zealand South, Newfoundland, North Carolina, North Dakota, Nova Scotia, Ohio, Oklahoma, Ontario, Oregon, Pennsylvania, Primorye, Prince Edward I., Québec, Rhode I., Sakhalin, South Carolina, South Dakota, Tennessee, Texas, Uruguay, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming
Base Species & Variations