@article {5621,
	title = {Two new species of <i>Xylopia </i>(Annonaceae) from Borneo},
	journal = {Harvard Papers in BotanyHarvard Papers in Botany},
	volume = {14},
	year = {2009},
	note = {206},
	pages = {129-135},
	author = {Turner, I. M. and D. M. Johnson}
}
@inbook {5588,
	title = {Annonaceae},
	booktitle = {Flora of the Venezuelan Guayana 2},
	year = {1995},
	note = {007, 010, 024, 041, 049, 055, 063, 071, 080, 086, 133, 155, 157, 167, 185, 196, 206},
	pages = {413-469},
	publisher = {Missouri Botanical Garden.},
	organization = {Missouri Botanical Garden.},
	address = {St. Louis},
	author = {Steyermark, J. A. and P. J. M. Maas and P. E. Berry and D. M. Johnson and N. A. Murray and H. Rainer},
	editor = {Steyermark, J.A. and P.E. Berry and B.K. Holst}
}
@article {5269,
	title = {<i>Xylopia decorticans</i> (Annonaceae), a new cauliflorous species from Brazil},
	journal = {Contributions from the University of Michigan HerbariumContributions from the University of Michigan Herbarium},
	volume = {25},
	year = {2007},
	note = {206},
	pages = {207-211},
	author = {Lob{\~a}o, A. Q. and D. M. Johnson}
}
