Literature

Authors	Year	Title
J. Duvigneaud	1979	Le groupe d'Hypericum maculatum en Belgique et les regions voisines. Quelques remarques.
D. J. B. Killick	1979	Notes on African plants: Clusiaceae. Omission of Hypericum oligandrum from the Flora of Southern Africa.
R. Ornduff	1979	The genetics of heterostyly in Hypericum aegypticum.
J. M. Rouet	1979	Hypericum australe dans le Var.
Y. Xi	1979	Pollen morphology of Guttiferae in China.
W. T. Wang	1979	Species novae Hyperici L. e Sina.
D. F. Austin	1979	Cypress.
N. K. B. Robson, Davis P. H.	1980	A new Turkish species of Hypericum sect. Arthrophyllum.
N. K. B. Robson	1980	A new species of Hypericum from Angola.
N. K. B. Robson	1980	Hypericum olympicum: wild and cultivated.
L. Z. Gu, Zhang H. B.	1980	Study of the chemical constituents in Hypericum attenuatum Chois.
M. O. Karryev, Komissarenko N. F.	1980	Fitokhimicheskoe issledovanie rastenii roda Hypericum L. flory Turkmenii.
Y. Kimura	1980	The type specimen of Hypericum japonicum Thunberg.
C. Reynaud	1980	Contribution a l'etude cytotaxinomique du genre Hypericum L. en Grece.
H. Pesmen	1980	Six new species from Anatolia.
C. Reynaud	1980	Etude cytotaxinomique de quelques Hypericum d'Iran.
K. C. Sahni, Naithani H. B.	1980	Hypericum griffithii Hook. f. et Thoms. ex Dyer: a very rare shrub from Arunachal Pradesh.
C. R. Jimenez	1980	Flora ilustrada catarinense: 1 parte. Fasciculo as plantas. Hipericaceaes.
N. K. B. Robson	1981	Studies in the genus Hypericum L. (Guttiferae). 2. Characters of the genus.
N. K. B. Robson	1981	Hypericum specimens collected by Roy Lancaster in south-western China, October 1980.
N. K. B. Robson	1981	Studies in the genus Hypericum L. (Guttiferae): 2. Characters of the genus.
T. L. Andrienko, Birchenko, V. M., Didukh, Y. P.	1981	Pershi znakhidky Hypericum humifusum L. na Ukrayins'komu polissi. (First occurrences of Hypericum humifusum L. in Ukrainian Polessie.)
O. N. Dubovik	1981	Krym'sko-Novorosiis'ki vydy rodu Hypericum L. (The Crimean-Novorosiisk species of the genus Hypericum L.)
I. Hagemann	1981	Wuchsformenuntersuchungen an balkanischen Hypericum-Sippen. (Investigation of the growth form of Hypericum taxa from the Balkan Peninsula.)
D. E. Culwell	1981	Interspecific hybridization between Hypericum graveolens and H. mitchellianum.
J. M. Gillett, Robson N. K. B.	1981	The St. John's-wort of Canada (Guttiferae).
C. Reynaud	1981	Contribution a L" etude cytotaxonomique du genre Hypericum I. en Turquie: 2.
G. Wittenberger	1982	Uber das Vorkommen der Unteraten des Tupfelharteus (Hypericum perforatum L.)
J. Madalski	1982	Guttiferae.
G. Cakirer	1982	A species new to the Turkish flora: Hypericum rumeliacum Boiss.
E. D. Hatch	1982	Hypericum in the Waitakeres.
N. K. B. Robson, Long D. G.	1983	Notes relating to the Flora of Bhutan: 7. Notes on Hypericum L.
I. Hagemann	1983	Wuchsformenuntersuchungen an zentraleuropaischen Hypericum- Arten. (Analysis of growth forms of central European Hypericum species.)
P. J. Calie, Schilling, E. E., Webb, D. H.	1983	Flavonoid chemistry of the generic segregates Ascyrum and Crookea of Hypericum.
Z. Abraham, Mehrotra B. N.	1983	Some observations on endemic species and rare plants of the montane flora of the Nilgiris, South India.
N. Robson	1983	Yellow-flowered St. John's worts.
M. Bugnicourt	1983	Embryogenie des Hypericum de France.
N. K. B. Robson	1983	British and Irish St. John's worts: 1. Introduction and shrubby species.
R. A Nunez	1983	Estudio biosistematico del genero Hypericum L. (Guttiferae) en la Peninsula Iberica e Islas Baleares: 1. Caracteres seminales.
N. K. B. Robson	1984	British and Irish St. John's Worts: 4. Hypericum linariifolium and H. humifusum.
I. Hagemann, Meusel H.	1984	Hypericum triquetrifolium Turra, ein Wurzelspross-Geophyt Wuchsform und Verbreitung. (Hypericum triquetrifolium Turra, a perennial with shoot bearing roots, growth form and distribution.)
M. Kogi	1984	A karyomorphological study of the genus Hypericum (Hypericaceae) in Japan.
R. A Nunez	1984	Taxonomia de Hypericum hircinum L. var. Cambessedesii (Cosson ex Barcelo) Ramos.
N. K. B. Robson	1984	British and Irish St John's worts: 2.
N. K. B. Robson	1984	British and Irish St. John's worts: 3.
J. C. Rodriguez	1984	Hypericum silenoides var. Mexicanum, nueva combinacion.
E. J. Weeda	1984	Over standplaats en indigeniteit van Hypericum canadense L. in Noord-Twente. (Habitat and indigenousness of Hypericum canadense L. in northern Twente.)
M. Assadi	1984	New species and new plant records from Iran.
A. Ramos	1984	Un hibrido nuevo de Hypericum.
M. P. Safonova, Safonov, V. I., Tikhonova, B. B.	1984	Introduktsionnoe i biokhimicheskoe issledovanie vidov zveroboya na Sakhaline.

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