1-Ghahraman A. Color Atlas of Iranian Flora. Research Institute of Forest and Rangelands publishing; 1996. p. 3071.
2-Mozaffarian V. A dictionary of Iranian plant names. Tehran: Farhang Moaser; 1996. p. 137.
3-Xu Y,Lu C. Raman spectroscopic study on structure of human immunodeficiency virus (HIV) and hypericin-induced photosensitive damage of HIV. Sci China C Life Sci 2005;48:117-32.
4-Miskorsty P. Hypericin--a new antiviral and antitumor photosensitizer: mechanism of action and interaction with biological macromolecules. Curr Drug Targets 2002;3:55-84.
6-Reichling J, Weseler A, Saller R. A current review of the antimicrobial activity of Hypericum perforatum L. Pharmacopsychiatry2001;34:116-8.
7-Carpenter S, Fehr MJ, Kraus GA, Petrich JW.Chemiluminescent activation of the antiviral activity of hypericin: a molecular flashlight. Proc Natl Acad Sci U S A 1994;91: 12273-7.
8-Jacobson JM, Feinman L, Liebes L, Ostrow N, Koslowski V, Tobia A, et al. Pharmacokinetics, safety, and antiviral effects of hypericin, a derivative of St. John's wort plant, in patients with chronic hepatitis C virus infection. Antimicrob Agents Chemoter 2001;45:517-24.
10-Couladis M, Baziou P, Verykokidou E, Loukis A. Antioxidant activity of polyphenols from Hypericum triquetrifolium Turra. Phytother Res 2002;16:769–70.
11-Apaydin S, Zeybek U, Ince I, Elgin G, Karamenderes C, Ozturk B, et al. Hypericum triquetrifolium Turra. extract exhibits antinociceptive activity in the mouse. J Ethnopharmacol 1999;67:307–12.
12-Bruni R, Sacchetti G. Factors affecting polyphenol biosynthesis in wild and field grown St. John’s Wort (Hypericum perforatum L. Hypericaceae/Guttiferae). Molecules 2009;14:682-725.
13-Knox JP, Dodge AD. Isolation and activity of the photodynamic pigment hypericin. Plant Cell Environment 1985;8:19-25.
14-Ayan AK, Cirak C. Variation of hypericins in Hypericum triquetrifolium Turra growing in different locations of Turkey during plant growth. Nat Prod Res 2008;22:1597-1604.
15-Xenophontos M, Stavropoulos E, Avramakis E, Navakoudis E, Dornemann D, Kotzabasis K. Influence of the developmental stage on the (proto)–hypericin and (proto) pseudohypericin levels of Hypericum plants from Crete. Planta Med 2007;73:1309-15.
16-Alali F, Tawaha K, Al-Eleimat T. Determination of hypericin content in Hypericum triquetrifolium Turra (Hypericaceae) growing wild in Jorden . Nat Prod Res 2004;18:147-51.