Hypericum perforatum (English Wikipedia)

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"Hypericum perforatum subsp. perforatum". The Jepson Herbarium. University of California, Berkeley. 2023. Retrieved 29 July 2023.

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Robson N (2002). "Studies in the genus Hypericum L. (Guttiferae) 4(2). Section 9. Hypericum sensu lato (part 2): subsection 1. Hypericum series 1. Hypericum". Bulletin of the British Museum (Natural History) Botany. 32: 61–123 – via Biodiversity Heritage Library.

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Ernst E (2003). Hypericum: the genus Hypericum. Medicinal and Aromatic Plants—Industrial Profiles. Vol. 31. London: Taylor & Francis. ISBN 9781420023305.
Comparison of selected chemical constituents of Hypericum perforatum

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Chen SY, Hamer D (2003). "Common St.John's Wort". A Field Guide to Non-Native Species of Eastern Massachusetts. Brandeis University. Retrieved 29 July 2023.

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Ian Popay (22 June 2015). "Hypericum perforatum (St John's wort)". CABI. Retrieved 2 December 2018.

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"Questions and Answers About St. John's Wort". National Cancer Institute. 2024. Archived from the original on 2 October 2024.

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"St John's wort and cancer". Cancer Research UK. 2022. Archived from the original on 12 June 2024.

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"Complementary therapies". Cancer Council Victoria. 2024. Archived from the original on 3 October 2024.

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doi.org

Soelberg J, Jorgensen LB, Jager AK (26 January 2007). "Hyperforin Accumulates in the Translucent Glands of Hypericum perforatum". Annals of Botany. 99 (6): 1097–1100. doi:10.1093/aob/mcm057. PMC 3243575. PMID 17468113.
Ciccarelli D (October 2001). "Translucent Glands and Secretory Canals in Hypericum perforatum L. (Hypericaceae): Morphological, Anatomical and Histochemical Studies During the Course of Ontogenesis" (PDF). Annals of Botany. 88 (4): 637–644. Bibcode:2001AnBot..88..637C. doi:10.1006/ANBO.2001.1514. Retrieved 28 July 2023.
Zobayed SM, Afreen F, Goto E, et al. (1 October 2006). "Plant–Environment Interactions: Accumulation of Hypericin in Dark Glands of Hypericum perforatum". Annals of Botany. 98 (4): 793–804. doi:10.1093/aob/mcl169. PMC 2806163. PMID 16891333.
Umek A, Kreft S, Kartnig T, et al. (1999). "Quantitative phytochemical analyses of six hypericum species growing in slovenia". Planta Med. 65 (4): 388–90. Bibcode:1999PlMed..65..388U. doi:10.1055/s-2006-960798. PMID 17260265. S2CID 260248637.
Tatsis EC, Boeren S, Exarchou V, et al. (2007). "Identification of the major constituents of Hypericum perforatum by LC/SPE/NMR and/or LC/MS". Phytochemistry. 68 (3): 383–93. Bibcode:2007PChem..68..383T. doi:10.1016/j.phytochem.2006.11.026. PMID 17196625. S2CID 28120366.
Anzenbacher P, Zanger UM, eds. (2012). Metabolism of Drugs and Other Xenobiotics. Weinheim, Germany: Wiley-VCH. doi:10.1002/9783527630905. ISBN 978-3-527-63090-5.
Linné C, Salvius L (1753). Species plantarum. Holmiae: Impensis Laurentii Salvii. p. 785. doi:10.5962/bhl.title.669.
Registry-Migration.Gbif.Org (2022). "Hypericum perforatum L." GBIF Secretariat. Global Biodiversity Information Facility. doi:10.15468/39omei. Retrieved 1 August 2023.
Marcone C, Bellardi M, Bertaccini A (2016). "Phytoplasma diseases of medicinal and aromatic plants". Journal of Plant Pathology. 98 (3): 379–404. doi:10.4454/JPP.V98I3.060. JSTOR 44280481.
Apaydin EA, Maher AR, Shanman R, et al. (2016). "A systematic review of St. John's wort for major depressive disorder". Systematic Reviews. 5 (1) 148. doi:10.1186/s13643-016-0325-2. PMC 5010734. PMID 27589952.
Ng QX, Venkatanarayanan N, Ho CY (March 2017). "Clinical use of Hypericum perforatum (St John's wort) in depression: A meta-analysis". Journal of Affective Disorders. 210: 211–221. doi:10.1016/j.jad.2016.12.048. PMID 28064110.
Linde K, Kriston L, Rücker G, et al. (February 2015). "Efficacy and acceptability of pharmacological treatments for depressive disorders in primary care: systematic review and network meta-analysis". Annals of Family Medicine. 13 (1): 69–79. doi:10.1370/afm.1687. PMC 4291268. PMID 25583895.
Zhao X, Zhang H, Wu Y, et al. (2023). "The efficacy and safety of St. John's wort extract in depression therapy compared to SSRIs in adults: A meta-analysis of randomized clinical trials". Advances in Clinical and Experimental Medicine. 32 (2): 151–161. doi:10.17219/acem/152942. ISSN 1899-5276. PMID 36226689.
Mayor A (1 January 2019), Wexler P (ed.), "Chapter 11 – Mithridates of Pontus and His Universal Antidote", Toxicology in Antiquity (Second Edition), History of Toxicology and Environmental Health, Academic Press, pp. 161–174, doi:10.1016/b978-0-12-815339-0.00011-1, ISBN 978-0-12-815339-0, retrieved 27 September 2023
Karamanou M, Androutsos G (1 January 2019), Wexler P (ed.), "Chapter 12 - Theriaca Magna: The Glorious Cure-All Remedy", Toxicology in Antiquity (Second Edition), History of Toxicology and Environmental Health, Academic Press, pp. 175–184, doi:10.1016/b978-0-12-815339-0.00012-3, ISBN 978-0-12-815339-0, retrieved 27 September 2023
Süntar IP, Akkol EK, Yılmazer D, et al. (2010). "Investigations on the in vivo wound healing potential of Hypericum perforatum L.". Journal of Ethnopharmacology. 127 (2): 468–77. doi:10.1016/j.jep.2009.10.011. PMID 19833187.
Nicolussi S, Drewe J, Butterweck V, et al. (19 November 2019). "Clinical relevance of St. John's wort drug interactions revisited". British Journal of Pharmacology. 177 (6): 1212–1226. doi:10.1111/bph.14936. PMC 7056460. PMID 31742659.
Chrubasik-Hausmann S, Vlachojannis J, McLachlan AJ (9 December 2018). "Understanding drug interactions with St John's wort (Hypericum perforatum L.): impact of hyperforin content". Journal of Pharmacy and Pharmacology. 71 (1): 129–138. doi:10.1111/jphp.12858. ISSN 2042-7158. PMID 29411879. S2CID 46807341.

dx.doi.org

Linné C, Salvius L (1753). Species plantarum. Holmiae: Impensis Laurentii Salvii. p. 785. doi:10.5962/bhl.title.669.

europa.eu (Global: 68^th place; English: 117^th place)

ema.europa.eu

European Medicines Agency, Committee on Herbal Medicinal Products (HMPC) (3 March 2021). "Second draft: European Union herbal monograph on Hypericum perforatum L., herba – well-established and traditional use" (PDF). European Medicines Agency. Retrieved 22 May 2025.

gbif.org (Global: 1,611^th place; English: 1,593^rd place)

Registry-Migration.Gbif.Org (2022). "Hypericum perforatum L." GBIF Secretariat. Global Biodiversity Information Facility. doi:10.15468/39omei. Retrieved 1 August 2023.

harvard.edu (Global: 18^th place; English: 17^th place)

ui.adsabs.harvard.edu

Ciccarelli D (October 2001). "Translucent Glands and Secretory Canals in Hypericum perforatum L. (Hypericaceae): Morphological, Anatomical and Histochemical Studies During the Course of Ontogenesis" (PDF). Annals of Botany. 88 (4): 637–644. Bibcode:2001AnBot..88..637C. doi:10.1006/ANBO.2001.1514. Retrieved 28 July 2023.
Umek A, Kreft S, Kartnig T, et al. (1999). "Quantitative phytochemical analyses of six hypericum species growing in slovenia". Planta Med. 65 (4): 388–90. Bibcode:1999PlMed..65..388U. doi:10.1055/s-2006-960798. PMID 17260265. S2CID 260248637.
Tatsis EC, Boeren S, Exarchou V, et al. (2007). "Identification of the major constituents of Hypericum perforatum by LC/SPE/NMR and/or LC/MS". Phytochemistry. 68 (3): 383–93. Bibcode:2007PChem..68..383T. doi:10.1016/j.phytochem.2006.11.026. PMID 17196625. S2CID 28120366.

invasive.org (Global: low place; English: low place)

"SPECIES: Hypericum perforatum" (PDF). Fire Effects Information System.

jstor.org (Global: 26^th place; English: 20^th place)

Marcone C, Bellardi M, Bertaccini A (2016). "Phytoplasma diseases of medicinal and aromatic plants". Journal of Plant Pathology. 98 (3): 379–404. doi:10.4454/JPP.V98I3.060. JSTOR 44280481.

kew.org (Global: 394^th place; English: 442^nd place)

powo.science.kew.org

"Hypericum perforatum L." Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 1 August 2023.

missouribotanicalgarden.org (Global: 5,410^th place; English: 3,396^th place)

"Hypericum perforatum". Plant Finder. St. Louis, Missouri: Missouri Botanical Garden. Retrieved 1 August 2023.

mskcc.org (Global: low place; English: 7,046^th place)

"St. John's Wort". Memorial Sloan Kettering Cancer Center. 8 February 2022. Retrieved 19 June 2025.

naturalstandard.com (Global: low place; English: low place)

"St. John's wort". Natural Standard. Cambridge, MA. Retrieved 13 December 2013.

nih.gov (Global: 4^th place; English: 4^th place)

pubmed.ncbi.nlm.nih.gov

Soelberg J, Jorgensen LB, Jager AK (26 January 2007). "Hyperforin Accumulates in the Translucent Glands of Hypericum perforatum". Annals of Botany. 99 (6): 1097–1100. doi:10.1093/aob/mcm057. PMC 3243575. PMID 17468113.
Zobayed SM, Afreen F, Goto E, et al. (1 October 2006). "Plant–Environment Interactions: Accumulation of Hypericin in Dark Glands of Hypericum perforatum". Annals of Botany. 98 (4): 793–804. doi:10.1093/aob/mcl169. PMC 2806163. PMID 16891333.
Umek A, Kreft S, Kartnig T, et al. (1999). "Quantitative phytochemical analyses of six hypericum species growing in slovenia". Planta Med. 65 (4): 388–90. Bibcode:1999PlMed..65..388U. doi:10.1055/s-2006-960798. PMID 17260265. S2CID 260248637.
Tatsis EC, Boeren S, Exarchou V, et al. (2007). "Identification of the major constituents of Hypericum perforatum by LC/SPE/NMR and/or LC/MS". Phytochemistry. 68 (3): 383–93. Bibcode:2007PChem..68..383T. doi:10.1016/j.phytochem.2006.11.026. PMID 17196625. S2CID 28120366.
Apaydin EA, Maher AR, Shanman R, et al. (2016). "A systematic review of St. John's wort for major depressive disorder". Systematic Reviews. 5 (1) 148. doi:10.1186/s13643-016-0325-2. PMC 5010734. PMID 27589952.
Ng QX, Venkatanarayanan N, Ho CY (March 2017). "Clinical use of Hypericum perforatum (St John's wort) in depression: A meta-analysis". Journal of Affective Disorders. 210: 211–221. doi:10.1016/j.jad.2016.12.048. PMID 28064110.
Linde K, Kriston L, Rücker G, et al. (February 2015). "Efficacy and acceptability of pharmacological treatments for depressive disorders in primary care: systematic review and network meta-analysis". Annals of Family Medicine. 13 (1): 69–79. doi:10.1370/afm.1687. PMC 4291268. PMID 25583895.
Zhao X, Zhang H, Wu Y, et al. (2023). "The efficacy and safety of St. John's wort extract in depression therapy compared to SSRIs in adults: A meta-analysis of randomized clinical trials". Advances in Clinical and Experimental Medicine. 32 (2): 151–161. doi:10.17219/acem/152942. ISSN 1899-5276. PMID 36226689.
Peterson B, Nguyen H (2025). "St. John's Wort". StatPearls Publishing. PMID 32491397. Retrieved 19 June 2025.
Süntar IP, Akkol EK, Yılmazer D, et al. (2010). "Investigations on the in vivo wound healing potential of Hypericum perforatum L.". Journal of Ethnopharmacology. 127 (2): 468–77. doi:10.1016/j.jep.2009.10.011. PMID 19833187.
Nicolussi S, Drewe J, Butterweck V, et al. (19 November 2019). "Clinical relevance of St. John's wort drug interactions revisited". British Journal of Pharmacology. 177 (6): 1212–1226. doi:10.1111/bph.14936. PMC 7056460. PMID 31742659.
Chrubasik-Hausmann S, Vlachojannis J, McLachlan AJ (9 December 2018). "Understanding drug interactions with St John's wort (Hypericum perforatum L.): impact of hyperforin content". Journal of Pharmacy and Pharmacology. 71 (1): 129–138. doi:10.1111/jphp.12858. ISSN 2042-7158. PMID 29411879. S2CID 46807341.

ncbi.nlm.nih.gov

Soelberg J, Jorgensen LB, Jager AK (26 January 2007). "Hyperforin Accumulates in the Translucent Glands of Hypericum perforatum". Annals of Botany. 99 (6): 1097–1100. doi:10.1093/aob/mcm057. PMC 3243575. PMID 17468113.
Zobayed SM, Afreen F, Goto E, et al. (1 October 2006). "Plant–Environment Interactions: Accumulation of Hypericin in Dark Glands of Hypericum perforatum". Annals of Botany. 98 (4): 793–804. doi:10.1093/aob/mcl169. PMC 2806163. PMID 16891333.
Apaydin EA, Maher AR, Shanman R, et al. (2016). "A systematic review of St. John's wort for major depressive disorder". Systematic Reviews. 5 (1) 148. doi:10.1186/s13643-016-0325-2. PMC 5010734. PMID 27589952.
Linde K, Kriston L, Rücker G, et al. (February 2015). "Efficacy and acceptability of pharmacological treatments for depressive disorders in primary care: systematic review and network meta-analysis". Annals of Family Medicine. 13 (1): 69–79. doi:10.1370/afm.1687. PMC 4291268. PMID 25583895.
Peterson B, Nguyen H (2025). "St. John's Wort". StatPearls Publishing. PMID 32491397. Retrieved 19 June 2025.
Nicolussi S, Drewe J, Butterweck V, et al. (19 November 2019). "Clinical relevance of St. John's wort drug interactions revisited". British Journal of Pharmacology. 177 (6): 1212–1226. doi:10.1111/bph.14936. PMC 7056460. PMID 31742659.

nccih.nih.gov

"St. John's Wort". National Center for Complementary and Integrative Health, US National Institutes of Health. April 2025. Retrieved 24 June 2025.

northwestweeds.com.au (Global: low place; English: low place)

"St John's wort – Hypericum perforatum". North West Weeds. Archived from the original on 31 March 2016. Retrieved 19 October 2015.

nrm.se (Global: 4,587^th place; English: 7,530^th place)

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"Agonopterix hypericella (Insecta: Lepidoptera: Depressariidae)". Svenska Fjärilar. Naturhistoriska Riksmuseet. Retrieved 10 August 2023.

oup.com (Global: 485^th place; English: 440^th place)

academic.oup.com

Ciccarelli D (October 2001). "Translucent Glands and Secretory Canals in Hypericum perforatum L. (Hypericaceae): Morphological, Anatomical and Histochemical Studies During the Course of Ontogenesis" (PDF). Annals of Botany. 88 (4): 637–644. Bibcode:2001AnBot..88..637C. doi:10.1006/ANBO.2001.1514. Retrieved 28 July 2023.

pharmaxchange.info (Global: low place; English: 7,837^th place)

Mehta S (18 December 2012). "Pharmacognosy of St. John's Wort". Pharmaxchange.info. Retrieved 16 February 2014.

pollenatlas.net (Global: low place; English: low place)

"Hypericum perforatum". Pollen Atlas. Retrieved 27 September 2023.

sciencedirect.com (Global: 149^th place; English: 178^th place)

Mayor A (1 January 2019), Wexler P (ed.), "Chapter 11 – Mithridates of Pontus and His Universal Antidote", Toxicology in Antiquity (Second Edition), History of Toxicology and Environmental Health, Academic Press, pp. 161–174, doi:10.1016/b978-0-12-815339-0.00011-1, ISBN 978-0-12-815339-0, retrieved 27 September 2023
Karamanou M, Androutsos G (1 January 2019), Wexler P (ed.), "Chapter 12 - Theriaca Magna: The Glorious Cure-All Remedy", Toxicology in Antiquity (Second Edition), History of Toxicology and Environmental Health, Academic Press, pp. 175–184, doi:10.1016/b978-0-12-815339-0.00012-3, ISBN 978-0-12-815339-0, retrieved 27 September 2023

semanticscholar.org (Global: 11^th place; English: 8^th place)

api.semanticscholar.org

Umek A, Kreft S, Kartnig T, et al. (1999). "Quantitative phytochemical analyses of six hypericum species growing in slovenia". Planta Med. 65 (4): 388–90. Bibcode:1999PlMed..65..388U. doi:10.1055/s-2006-960798. PMID 17260265. S2CID 260248637.
Tatsis EC, Boeren S, Exarchou V, et al. (2007). "Identification of the major constituents of Hypericum perforatum by LC/SPE/NMR and/or LC/MS". Phytochemistry. 68 (3): 383–93. Bibcode:2007PChem..68..383T. doi:10.1016/j.phytochem.2006.11.026. PMID 17196625. S2CID 28120366.
Chrubasik-Hausmann S, Vlachojannis J, McLachlan AJ (9 December 2018). "Understanding drug interactions with St John's wort (Hypericum perforatum L.): impact of hyperforin content". Journal of Pharmacy and Pharmacology. 71 (1): 129–138. doi:10.1111/jphp.12858. ISSN 2042-7158. PMID 29411879. S2CID 46807341.

umw.edu.pl (Global: low place; English: low place)

advances.umw.edu.pl

Zhao X, Zhang H, Wu Y, et al. (2023). "The efficacy and safety of St. John's wort extract in depression therapy compared to SSRIs in adults: A meta-analysis of randomized clinical trials". Advances in Clinical and Experimental Medicine. 32 (2): 151–161. doi:10.17219/acem/152942. ISSN 1899-5276. PMID 36226689.

usda.gov (Global: 438^th place; English: 336^th place)

plants.sc.egov.usda.gov

NRCS (1 August 2023), "Hypericum perforatum", PLANTS Database, United States Department of Agriculture (USDA)

wa.gov (Global: 2,121^st place; English: 1,217^th place)

nwcb.wa.gov

Protect Your Horses and Livestock From Toxic Plants (PDF). Washington State Noxious Weed Control Board. 2017. p. 49.

web.archive.org (Global: 1^st place; English: 1^st place)

Barnes, J., Anderson, L.A., Phillipson, J.D. (2007) [1996]. Herbal Medicines (PDF) (3rd ed.). London, UK: Pharmaceutical Press. ISBN 978-0-85369-623-0. Archived from the original (PDF) on 1 July 2018. Retrieved 7 February 2015.
"bladmineerders.nl". bladmineerders.nl. Archived from the original on 4 March 2016. Retrieved 18 January 2019.
"St John's wort – Hypericum perforatum". North West Weeds. Archived from the original on 31 March 2016. Retrieved 19 October 2015.
"St John's wort and cancer". Cancer Research UK. 2022. Archived from the original on 12 June 2024.
"Complementary therapies". Cancer Council Victoria. 2024. Archived from the original on 3 October 2024.
"Questions and Answers About St. John's Wort". National Cancer Institute. 2024. Archived from the original on 2 October 2024.

worldcat.org (Global: 5^th place; English: 5^th place)

search.worldcat.org

Zhao X, Zhang H, Wu Y, et al. (2023). "The efficacy and safety of St. John's wort extract in depression therapy compared to SSRIs in adults: A meta-analysis of randomized clinical trials". Advances in Clinical and Experimental Medicine. 32 (2): 151–161. doi:10.17219/acem/152942. ISSN 1899-5276. PMID 36226689.
Chrubasik-Hausmann S, Vlachojannis J, McLachlan AJ (9 December 2018). "Understanding drug interactions with St John's wort (Hypericum perforatum L.): impact of hyperforin content". Journal of Pharmacy and Pharmacology. 71 (1): 129–138. doi:10.1111/jphp.12858. ISSN 2042-7158. PMID 29411879. S2CID 46807341.

zums.ac.ir (Global: low place; English: low place)

file.zums.ac.ir

Barnes, J., Anderson, L.A., Phillipson, J.D. (2007) [1996]. Herbal Medicines (PDF) (3rd ed.). London, UK: Pharmaceutical Press. ISBN 978-0-85369-623-0. Archived from the original (PDF) on 1 July 2018. Retrieved 7 February 2015.

Hypericum perforatum (English Wikipedia)

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cancer.gov (Global: 1,684^th place; English: 1,350^th place)

cancerresearchuk.org (Global: 8,489^th place; English: 6,122^nd place)

colostate.edu (Global: 3,616^th place; English: 2,556^th place)

doi.org (Global: 2^nd place; English: 2^nd place)

europa.eu (Global: 68^th place; English: 117^th place)

gbif.org (Global: 1,611^th place; English: 1,593^rd place)

harvard.edu (Global: 18^th place; English: 17^th place)

jstor.org (Global: 26^th place; English: 20^th place)

kew.org (Global: 394^th place; English: 442^nd place)

missouribotanicalgarden.org (Global: 5,410^th place; English: 3,396^th place)

mskcc.org (Global: low place; English: 7,046^th place)

nih.gov (Global: 4^th place; English: 4^th place)

nrm.se (Global: 4,587^th place; English: 7,530^th place)

oup.com (Global: 485^th place; English: 440^th place)

pharmaxchange.info (Global: low place; English: 7,837^th place)

sciencedirect.com (Global: 149^th place; English: 178^th place)

semanticscholar.org (Global: 11^th place; English: 8^th place)

usda.gov (Global: 438^th place; English: 336^th place)

wa.gov (Global: 2,121^st place; English: 1,217^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

worldcat.org (Global: 5^th place; English: 5^th place)