Taxon: Hypericum perforatum L.

A declared aquatic or terrestrial noxious weed and/or noxious-weed seed in these U.S. states (see state noxious weed lists), with links to state information or web documents:

CA*°, CO*°, HI°, ID°, MT*°, NV*°, OR*°, SD*, WA°.

ªAquatic.

*Terrestrial.

°In seed.

Link to noxious weed information from

Link to species profile at

Common names:

• goatweed   (Source: Noxweed Aust ) – English
  
• Klamathweed   (Source: Websters Dict ) – English
  
• perforate St. John's-wort   (Source: BSBI 2007) – English
  
• racecourseweed   (Source: Aust Pl Common Names ) – English
  
• St. John's-wort   (Source: World Econ Pl ) – English
  
• Tiptonweed   (Source: Weeds SAfr 2001 ) – English
  
• Johanneskruid   (Source: Weeds SAfr 2001 ) – Afrikaans
  
• guan ye lian qiao   (Source: F ChinaEng ) – Transcribed Chinese
  
• Tüpfel-Hartheu   (Source: Zander Ency ) – German
  
• Tüpfel-Johanniskraut   (Source: Zander Ency ) – German
  
• zveroboj obyknovenny   (Source: Mansf Ency ) – Transliterated Russian
  
• äkta johannesört   (Source: Vara kulturvaxt namn ) – Swedish
  

Economic importance:

• Materials: essential oils   (for cosmetics fide Ency CNatIn)
  
• Materials: lipids   (fide Ency CNatIn)
  
• Medicines: source of hypericin   (fide Ency CNatIn; CRC MedHerbs ed2; Herbs Commerce ed2)
  
• Vertebrate poisons: mammals   (fide Kingsbury; Kellerman et al.; Cooper & Johnson ed2)
  
• Weed: potential seed contaminant   (fide Geigy Weed Tables. 1968; Invasive Pl Spec; Weeds SAfr 2001)
  

More:

View toxicology references for Hypericum perforatum from FDA Poisonous Plant Database

View phytochemical or ethnobotanical data from Duke's Phytochemical and Ethnobotanical Databases

Distributional range:

• AFRICA
  Macaronesia: Portugal - Madeira Islands; Spain - Canary Islands
  Northern Africa: Algeria [n.]; Morocco; Tunisia
• ASIA-TEMPERATE
  Arabian Peninsula: Saudi Arabia [s.w.]
  Western Asia: Afghanistan; Cyprus; Iran; Iraq; Israel; Lebanon; Syria; Turkey
  Caucasus: Armenia; Azerbaijan; Georgia; Russian Federation - Dagestan, Karachay-Cherkessia, North Ossetia, Stavropol
  Siberia: Russian Federation - Western Siberia
  Middle Asia: Kazakhstan; Kyrgyzstan; Tajikistan; Turkmenistan; Uzbekistan
  Mongolia: Mongolia
  China: China - Gansu, Guizhou, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Shaanxi, Shandong, Shanxi, Sichuan, Xinjiang, Yunnan
• ASIA-TROPICAL
  Indian Subcontinent: India - Himachal Pradesh, Jammu and Kashmir, Uttar Pradesh; Pakistan [n.]
• EUROPE
  Northern Europe: Denmark; Finland [s.]; Ireland; Norway [s.]; Sweden [s.]; United Kingdom - England, Scotland, Wales
  Middle Europe: Austria; Belgium; Czech Republic; Germany; Hungary; Netherlands; Poland; Slovakia; Switzerland
  East Europe: Belarus; Estonia; Russian Federation - Astrakhan, European part; Ukraine [incl. Krym]
  Southeastern Europe: Albania; Bosnia and Herzegovina; Bulgaria; Croatia; Former Yugoslavia; Greece [incl. Crete]; Italy [incl. Sardinia, Sicily]; Macedonia; Malta; Romania; Slovenia
  Southwestern Europe: Andorra; France [incl. Corsica]; Gibraltar; Portugal; Spain [incl. Baleares]

• AFRICA
  Northeast Tropical Africa: Sudan - Darfur
  Southern Africa: Lesotho; South Africa - Western Cape
  Western Indian Ocean: Reunion
• ASIA-TEMPERATE
  Eastern Asia: Japan
• AUSTRALASIA
  Australia: Australia
  New Zealand: New Zealand
• NORTHERN AMERICA
  Canada
  Mexico
  United States
• PACIFIC
  North-Central Pacific: United States - Hawaii
• SOUTHERN AMERICA
  Caribbean: Cuba; Haiti
  Southern South America: Argentina; Chile; Uruguay

• ASIA-TEMPERATE
  Siberia: Russian Federation - Western Siberia
• EUROPE
  Middle Europe: Germany; Poland; Switzerland
  East Europe: Belarus
  Southeastern Europe: Italy

References:

• Afonin, A. N., S. L. Greene, N. I. Dzyubenko, & A. N. Frolov, eds. Interactive agricultural ecological atlas of Russia and neighboring countries. Economic plants and their diseases, pests and weeds (on-line resource).
• Aldén, B., S. Ryman & M. Hjertson. 2009. Våra kulturväxters namn - ursprung och användning. Formas, Stockholm (Handbook on Swedish cultivated and utility plants, their names and origin).
• Black, J. M. 1943–1957. Flora of Southern Australia, ed. 2.
• Bond, P. & P. Goldblatt. 1984. Plants of the Cape Flora, J. S. African Bot. suppl. vol. 13.
• Bosser, J. M. et al., eds. 1976–. Flores des Mascareignes.
• Botanical Society of the British Isles. BSBI taxon database (on-line resource).
• CIBA-GEIGY, Basel, Switzerland. 1974. The CIBA-GEIGY Weed Tables.
• Cabrera, A. L. & E. M. Zardini. 1978. Manual de la flora de los alrededores de Buenos Aires.
• Cannon, J. & M. Cannon. 1994. Dye plants and dyeing. The Herbert Press & The Royal Botanic Gardens, Kew.
• Chinese Academy of Sciences. 1959–. Flora reipublicae popularis sinicae.
• Cooper, M. R. & A. W. Johnson. 1998. Poisonous plants and fungi in Britain: animal and human poisoning. [poisonous].
• Davis, P. H., ed. 1965–1988. Flora of Turkey and the east Aegean islands.
• Duke, J. A. et al. 2002. CRC Handbook of medicinal herbs.
• Erhardt, W. et al. 2008. Der große Zander: Enzyklopädie der Pflanzennamen.
• Ernst, E. 1995. Phytomedicine. 2:67–71.
• Food and Agriculture Organization of the United Nations (FAO). 2010. Ecocrop (on-line resource).
• Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14.
• Gleason, H. A. & A. Cronquist. 1963. Manual of vascular plants of northeastern United States and adjacent Canada.
• Greuter, W. et al., eds. 1984–. Med-Checklist.
• Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6.
• Hansen, A. & P. Sunding. 1993. Flora of Macaronesia: checklist of vascular plants, ed. 4. Sommerfeltia vol. 17.
• Harrington, H. 1954. Manual of the plants of Colorado.
• Henderson, L. 2001. Alien weeds and invasive plants: a complete guide to declared weeds and invaders in South Africa. Plant Protection Research Institute, Handbook 12.
• Henderson, M. et al. 1987. Declared weeds and alien invader plants in South Africa. Botanical Research Institute, bulletin 413.
• Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
• Holm, L. et al. 1979. A geographical atlas of world weeds.
• Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares.
• Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource).
• Izquierdo Z., I. et al., eds. 2004. Lista de especies silvestres de Canarias: hongos, plantas y animales terrestres.
• Jiangsu Inst. Bot., ed. v. 1; Shan. R. H., ed. v. 2. 1977–1982. Jiangsu Zhiwuzhi (Flora of Jiangsu).
• Kellerman, T. S. et al. 1988. Plant poisonings and mycotoxicoses of livestock in Southern Africa. [poisonous].
• Kingsbury, J. M. 1964. Poisonous plants of the United States and Canada. [poisonous].
• Komarov, V. L. et al., eds. 1934–1964. Flora SSSR.
• Lazarides, M. & B. Hince. 1993. CSIRO Handbook of Economic Plants of Australia.
• Lems, K. 1960. Floristic botany of the Canary islands.
• Leung, A. Y. & S. Foster. 1996. Encyclopedia of common natural ingredients used in food, drugs, and cosmetics, ed. 2. 310.
• Liberty Hyde Bailey Hortorium. 1976. Hortus third.
• McGuffin, M., J. T. Kartesz, A. Y. Leung, & A. O. Tucker. 2000. Herbs of commerce, ed. 2.
• Meikle, R. D. 1977–1985. Flora of Cyprus.
• Munro, D. B. Canadian poisonous plants information system (on-line resource).
• Munz, P. A. & D. D. Keck. 1959. A California flora.
• Nasir, E. & S. I. Ali, eds. 1970–. Flora of [West] Pakistan.
• Parsons, W. T. & E. G. Cuthbertson. 1992. Noxious weeds of Australia.
• Polunin, O. & A. Stainton. 1984. Flowers of the Himalaya.
• Quézel, P. & S. Santa. 1962–1963. Nouvelle flore de l'Algerie.
• Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas.
• Rechinger, K. H., ed. 1963–. Flora iranica.
• Robson, N. K. B. 2002. Studies in the genus Hypericum L. (Guttiferae) 4(2). Section 9. Hypericum sensu lato (part 2): subsection 1. Hypericum series 1. Hypericum. Bull. Nat. Hist. Mus. London, Bot. 32(2):87–102.
• Seed Regulatory and Testing Branch, Agricultural Marketing Service, U.S.D.A. 1999. State noxious-weed seed requirements recognized in the administration of the Federal Seed Act.
• Silva, L. et al. 2005. Listagem da fauna e flora terrestres dos Açores. Lista des plantas vasculares (Pteridophyta e Spermatophyta).
• St. John, H. 1973. List and summary of the flowering plants in the Hawaiian islands.
• Steward, A. N. 1958. Manual of vascular plants of the lower Yangtze valley.
• Steyermark, J. A. 1977. Flora of Missouri.
• Townsend, C. C. & E. Guest. 1966–. Flora of Iraq.
• Tutin, T. G. et al., eds. 1964–1980. Flora europaea.
• USDA National Agricultural Library. National Invasive Species Information Center (on-line resource).
• Wagner, W. L. et al. 1990. Manual of the flowering plants of Hawai'i.
• Weber, E. 2003. Invasive plant species of the world: a reference guide to environmental weeds.
• Willis, J. H. 1970–1972. A handbook to plants in Victoria.
• Wu Zheng-yi & P. H. Raven et al., eds. 1994–. Flora of China (English edition).
• Webster's third new international dictionary.

More:

Search AGRICOLA article citation database for citations referencing Hypericum perforatum.

Search NCBI's Entrez search engine for PubMed citations referencing Hypericum perforatum.

Search Biodiversity Heritage Library for historical publications referencing Hypericum perforatum.

Synonyms:

• (≡) Hypericum vulgare Lam.
  

Check other web resources for Hypericum perforatum L.:

• Flora Europaea: Database of European Plants (ESFEDS)
• PLANTS: USDA-NRCS Database of Plants of the United States and its Territories
• BONAP: North American Plant Atlas of the Biota of North America Program
• Flora del Conosur: Catálogo de las Plantas Vasculares del Conosur
• Flora of China: Online version from Harvard University
• AVH: Australia's Virtual Herbarium
• SIBIS: South African National Biodiversity Institute's (SANBI) Integrated Biodiversity System
• TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
• Mansfeld: Mansfeld's World Database of Agricultural and Horticultural Crops
• ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
• AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
• Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.

Images:

• GRIN Images of germplasm accessions.
• Forestry Images: Images of invasive weeds from www.forestryimages.org
• Seed: U.S. National Seed Herbarium image
• Seeds or fruits: Seed ID Workshop image, from Department of Horticulture and Crop Science, Ohio State University

More:

• Check PlantSystematics.org for additional images
• Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

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