@article {250,
	title = {Global chloroplast phylogeny and biogeography of bracken (Pteridium; Dennstaedtiaceae)},
	journal = {American Journal of BotanyAmerican Journal of Botany},
	volume = {96},
	number = {5},
	year = {2009},
	pages = {1041-1049},
	isbn = {0002-9122},
	author = {Der, Joshua P and Thomson, John A and Stratford, Jeran K and Wolf, Paul G}
}
