@article {3295,
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	volume = {60},
	year = {1973},
	month = {1973///},
	pages = {339 - 345},
	author = {Lutz, R. W. and Sjolund, R. D.}
}
@article {2871,
	title = {Seed morphology of Monotropa uniflora L. (Ericaceae)},
	journal = {Amer. J. Bot.},
	volume = {67},
	year = {1980},
	month = {1980///},
	pages = {968 - 974},
	author = {Olson, A. R.}
}
@article {2846,
	title = {Postfertilization changes in ovules of Monotropa uniflora L. (Monotropaceae)},
	journal = {Amer. J. Bot.},
	volume = {78},
	year = {1991},
	month = {1991///},
	pages = {99 - 107},
	author = {Olson, A. R.}
}
