@article {240,
	title = {THE FERN GENUS POLYSTICHUM (DRYOPTERIDACEAE) IN COSTA RICA},
	journal = {Annals of the Missouri Botanical Garden},
	volume = {98},
	year = {2011},
	note = {Times Cited: 2},
	month = {2011},
	pages = {431-446},
	isbn = {0026-6493},
	url = {<Go to ISI>://WOS:000304334600001},
	author = {Barrington, David S.}
}
