Literature

Authors	Year	Title
N. Robson	2004	Plant portraits: 486. Hypericum kouytchense (Clusiaceae).
C. Nor, Albring, D., Ferraz, A. B. F., Schripsema, J., Pires, V., Sonnet, P., Guillaume, D., von Poser, G. L.	2004	Phloroglucinol derivatives from four Hypericum species belonging to the Trigynobrathys section.
Z. Q. Yin, Wang, Y., Ye, W. C., Zhao, S. X.	2004	Chemical constituents of Hypericum perforatum (St. John's wort) growing in China.
N. H. Holmgren, Holmgren P. K.	2004	Lectotypification of ten names of North American taxa in Clusiaceae, Elatinaceae, Ericaceae, Primulaceae, and Violaceae.
L. H. Wu, Yang, D. P., Wang, F. S., Chang, H. T.	2004	New taxa of Hypericum (Clusiaceae) from China.
S. Rama K Murthy, S Rani, S., Pullaiah, T.	2004	Hypericum gaitii Haines (Hypericaceae), a new record for southern peninsular India.
S. J. Park, Kim K. J.	2004	Molecular phylogeny of the genus Hypericum (Hypericaceae) from Korea and Japan: evidence from nuclear rDNA ITS sequence data.
H. F. Lu, Cheng, C. G., Tang, X., Hu, Z. H.	2004	FTIR spectrum of Hypericum and Triadenum with reference to their identification.
D. Ciccarelli, Garbari F.	2004	Le unita italiane di Hypericum (Clusiaceae), serie Hypericum. (The Italian units of Hypericum (Clusiaceae), series Hypericum.)
N. K. B. Robson	2005	Hypericum sect. Ascyreia (Clusiaceae): new species and subspecies from China.
X. C. Du, Ren Y.	2005	A new species of Hypericum (Clusiaceae) from Shaanxi Province, China.
P. V. Petrakis, Couladis, M., Roussis, V.	2005	A method for detecting the biosystematic significance of the essential oil composition: the case of five Hellenic Hypericum L. species.
S. J. Park, Kim K. J.	2005	Two new species of Hypericum (Clusiaceae) from Korea.
N. K. B. Robson	2006	Studies in the genus Hypericum L. (Clusiaceae). Section 9. Hypericum sensu lato (part3): subsection 1. Hypericum series 2. Senanensia, subsection2. Erecta and section 9b. Graveolentia.
P. Martonfi, Repcak, M., Zanvit, P.	2006	Secondary metabolites variation in Hypericum maculatum and its relatives.
J. G. Puntieri, Brion C. A. M.	2006	Hypericum humifusum (Clusiaceae), nueva especie adventicia en la Argentina. [Hypericum humifusum (Clusiaceae). new adventive species in Argentina.]
R. A. Jones, Suttton M. D.	2006	Hypericum linariifolium x humifusum: a hybrid adapted to the Atlantic coast.
A. A. Khan, Agrawal, S., Khan, A.	2006	Hypericum japonicum Thunb. ex Murr. - a new record for Uttar Pradesh from Hastinapur Wildlife Sanctuary.
C. T. Witsell	2007	Hypericum adpressum (Clusiaceae) new to Arkansas and Ouachita Mountains, U.S.A.
N. K. B. Robson	2010	Studies in the genus Hypericum L. (Hypericaceae) 5(1). Sections 10. Olympia to 15/16. Crossophyllum.
N. K. B. Robson	2010	Studies in the genus Hypericum L (Hypericaceae) 5(2). Sections 17. Hirtella to 19. Coridium.
N. K. B. Robson	2012	Studies in the genus Hypericum L. (Hypericaceae) 9. Addenda, corrigenda, keys, lists and general discussion

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