@article {3590,
	title = {Arbuscular mycorrhizal symbionts in Botrychium (Ophioglossaceae)},
	journal = {Amer. J. Bot.},
	volume = {94(7)},
	year = {2007},
	month = {2007///},
	pages = {1248 - 1255},
	author = {Winther, J. L. and Friedman, W. E.}
}
