@book {hbcs07,
	title = {Flowering plant families of the world},
	year = {2007},
	publisher = {Royal Botanic Gardens},
	organization = {Royal Botanic Gardens},
	address = {Kew},
	author = {Heywood, V. H. and Brummitt, R. K. and Culham, A. and Seberg, O.}
}
