Hypericum online

A site dedicated to Hypericum – The St John’s Worts

Literature

AuthorsYearTitlesort ascending
K. Kaplan, Grenzheuser, W., Lenski, H.1989Zur Verbreitung und Bestandssituation des Sumpf-Johanniskrautes (Hypericum elodes) im nordwestlichen Westfalen und in der Grafschaft Bentheim.
E. Foerster1971Zur Unterscheidung von Hypericum maculatum und H. tetrapterum im blutenlosen Zustand.
A. N. Sennikov1998Zametki po sistematike i nomenklature nekotorykh taksonov iz rodov Adonis L. (Ranunculaceae), Linum L. Linaceae), Adenophora Fisch. (Campanulaceae) i Hypericum L. (Hypericaceae). (Notulae taxonomicae et nomenclatoricae de taxis nonnullis e generibus Adoni
A. G. Elenevskii, Zernov A. S.2000Zametka o Hypericum strictum (Hypericaceae) i blizkikh vidakh. (Note on Hypericum strictum (Hypericaceae) and allied species.)
N. Robson1983Yellow-flowered St. John's worts.
B. Weberling, Weberling F.1993Wuchsformuntersuchungen im Paramo Costa Ricas: 4. Untersuchungen an Senecio und Hypericum Arten. (Studies on growth forms in the Paramo of Costa Rica: 4. Species of Senecio and Hypericum.)
I. Hagemann1983Wuchsformenuntersuchungen an zentraleuropaischen Hypericum- Arten. (Analysis of growth forms of central European Hypericum species.)
I. Hagemann1981Wuchsformenuntersuchungen an balkanischen Hypericum-Sippen. (Investigation of the growth form of Hypericum taxa from the Balkan Peninsula.)
A. J. Healy1972Weedy St. John's worts (Hypericum spp.) in New Zealand.
A. N. Sennikov1993Vidy sektsii Hirtella roda Hypericum (Hypericaceae) v stranakh SNG i Gruzii. (Species of the section Hirtella of the genus Hypericum (Hypericaceae) in the countries of the CIS and Georgia.)
A. Ramos1984Un hibrido nuevo de Hypericum.
G. Wittenberger1982Uber das Vorkommen der Unteraten des Tupfelharteus (Hypericum perforatum L.)
Z. Y. Li1988Two new varieties from China.
S. J. Park, Kim K. J.2005Two new species of Hypericum (Clusiaceae) from Korea.
P. Singh, Dash S. S.2001Two new plant records for India from Sikkim.
E. K. Cameron2003Two new native plants found in the Aukland Region.
J. Dagley1994Tutsan (Hypericum androsaemum) in Essex.
S. K Lozykowska, Dabrowska J.1996Topaz: Polska odmiana dziurawca zwyczajnego (Hypericum perforatum L.) (Topaz: the Polish variety of St. John Wort (Hypericum perforatum L.).)
S. N. Biswas1989Three new taxa of Hypericum Linn. (Hypericaceae) from India, Nepal and Burma.
Y. Kimura1980The type specimen of Hypericum japonicum Thunberg.
K. R. Shivanna, Ciampolini, F., Cresti, M.1989The structure and cytochemistry of the pistil of Hypericum calycinum: the stigma.
J. M. Gillett, Robson N. K. B.1981The St. John's-wort of Canada (Guttiferae).
K. Bruňáková, Petijová, L., Zámečník, J., Turečková, V., Cellarova, E.2015The role of ABA in the freezing injury avoidance in two Hypericum species differing in frost tolerance and potential to synthesize hypericins
R. L. Wilbur1995The orthography of the name of a southeastern endemic shrub Hypericum buckleii M.A. Curtis.
R. Ornduff1979The genetics of heterostyly in Hypericum aegypticum.
C. E. Wood, Adams P.1976The genera of Guttiferae (Clusiaceae) in the southeastern United States.
D. A. Webb, Halliday G.1973The distribution, habitat and status of Hypericum canadense L. in Ireland.
T. Kowal, Pic, S., Wesolowska, M., Buk, B., Rydzewska, H.1977The distribution and abundance of natural locations of Centaurium umbellatum Gilib., Frangula alnus Mill., Helichrysum arenarium (L.) Moench, and Hypericum perforatum L., in the area of voivodships of Poznan, Konin, Leszno, and Kalisz.
T. S. Cooperrider1989The Clusiaceae (or Guttiferae) Ohio.
T. Kato1990Taxonomical studies on the Hypericum pseudopetiolatum complex: 4. Allozyme divergence and phylogenetic inference.
T. Kato1987Taxonomical studies on the Hypericum pseudopetiolatum complex: 3. Taxonomy.
T. Kato1986Taxonomical studies on the Hypericum pseudopetiolatum complex: 2. Natural hybridizations in Kyushu.
T. Kato1985Taxonomical studies on the Hypericum pseudopetiolatum complex 1. Geographical differentiation in the Japan Archipelago.
R. A Nunez1985Taxonomia de Hypericum hyssopifolium Chaix y especies relacionadas.
R. A Nunez1984Taxonomia de Hypericum hircinum L. var. Cambessedesii (Cosson ex Barcelo) Ramos.
L. Z. Gu, Zhang H. B.1980Study of the chemical constituents in Hypericum attenuatum Chois.
P. Adams1972Studies in the Guttiferae. 3. An evaluation of some putative spontaneous garden hybrids in Hypericum sect. Myriandra.
N. K. B. Robson2012Studies in the genus Hypericum L. (Hypericaceae) 9. Addenda, corrigenda, keys, lists and general discussion
N. K. B. Robson2010Studies in the genus Hypericum L. (Hypericaceae) 5(1). Sections 10. Olympia to 15/16. Crossophyllum.
N. K. B. Robson1990Studies in the genus Hypericum L. (Guttiferae): 8. Sections 29. Brathys (part 2) and 30. Trigynobrathys.
N. K. B. Robson1987Studies in the genus Hypericum L. (Guttiferae): 7. Section 29. Brathys (part 1).
N. K. B. Robson1985Studies in the genus Hypericum L. (Guttiferae): 3. Sections: 1. Campylosporus to: 6a. Umbraculoides.
N. K. B. Robson1981Studies in the genus Hypericum L. (Guttiferae): 2. Characters of the genus.
N. K. B. Robson1977Studies in the genus Hypericum L. (Guttiferae): 1. Infrageneric classification.
N. K. B. Robson1981Studies in the genus Hypericum L. (Guttiferae). 2. Characters of the genus.
N. K. B. Robson1996Studies in the genus Hypericum L. (Guttiferae) 6. Sections 20. Myriandra to 28. Elodes
N. K. B. Robson2002Studies in the genus Hypericum L. (Guttiferae) 4(2). Section 9. Hypericum sensu lato (part 2): subsection 1. Hypericum series 1. Hypericum.
N. K. B. Robson2001Studies in the genus Hypericum L. (Guttiferae) 4(1). Section 7. Roscyna to 9. Hypericum sensu lato (part 1).
N. K. B. Robson2006Studies in the genus Hypericum L. (Clusiaceae). Section 9. Hypericum sensu lato (part3): subsection 1. Hypericum series 2. Senanensia, subsection2. Erecta and section 9b. Graveolentia.
N. K. B. Robson2010Studies in the genus Hypericum L (Hypericaceae) 5(2). Sections 17. Hirtella to 19. Coridium.

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Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith