@article {2461,
	title = {Studies in the genus Hypericum L. (Hypericaceae) 9. Addenda, corrigenda, keys, lists and general discussion},
	journal = {Phytotaxa},
	volume = {72},
	year = {2012},
	chapter = {1-111},
	author = {Robson, NKB}
}
@article {2346,
	title = {Studies in the genus Hypericum L (Hypericaceae) 5(2). Sections 17. Hirtella to 19. Coridium.},
	journal = {Phytotaxa},
	volume = {4},
	year = {2010},
	chapter = {127-258},
	author = {Robson, NKB}
}
@article {2200,
	title = {Studies in the genus Hypericum L. (Hypericaceae) 5(1). Sections 10. Olympia to 15/16. Crossophyllum.},
	journal = {Phytotaxa},
	volume = {4},
	year = {2010},
	chapter = {5-126},
	author = {Robson, NKB}
}
