@book {932,
	title = {The St. John{\textquoteright}s-wort of Canada (Guttiferae).},
	year = {1981},
	note = {En, Summary language(s): FrHypericum spp. Icones, Maps, Chromosome numbers. Geog=3KBD, Royal Botanic Gardens, Kew.},
	pages = {iv, 40p.- illus., maps, chrom. nos., keys.},
	publisher = {National Museums of Canada},
	organization = {National Museums of Canada},
	address = {Ottawa},
	keywords = {Systematics: ANGIOSPERMAE HYPERICACEAE: HYPERICUM},
	author = {Gillett, JM and Robson, NKB}
}
@book {877,
	title = {Flora of West Pakistan: no. 32. Guttiferae.},
	year = {1973},
	note = {Illustrations, map Geog=6KBD, Royal Botanic Gardens, Kew.},
	pages = {12p.},
	keywords = {Systematics: ANGIOSPERMAE HYPERICACEAE: HYPERICUM},
	author = {Robson, NKB}
}
@book {835,
	title = {Studies in the genus Hypericum L. (Guttiferae): 3. Sections: 1. Campylosporus to: 6a. Umbraculoides.},
	volume = {12},
	year = {1985},
	note = {EnMany new taxa. Icones,Maps,Chromosome numbers. Geog=1, 2, 4-6KBD, Royal Botanic Gardens, Kew.},
	pages = {325p. (1985) - illus., maps, chrom. nos., keys.},
	publisher = {Bull. Brit. Mus. (Nat. Hist.) Bot.,},
	organization = {Bull. Brit. Mus. (Nat. Hist.) Bot.,},
	keywords = {Systematics: ANGIOSPERMAE HYPERICACEAE: HYPERICUM},
	author = {Robson, NKB}
}
