@book {20308,
	title = {The Silva of North America},
	volume = {7},
	year = {1895},
	publisher = {Houghton Mifflin and Company; The Riverside Press},
	organization = {Houghton Mifflin and Company; The Riverside Press},
	address = {Boston, New York; Cambridge},
	url = {http://www.biodiversitylibrary.org/item/54453$\#$page/7/mode/1up},
	author = {Sargent, Charles S.}
}
@book {20307,
	title = {Flora Boreali-Americana},
	volume = {1},
	year = {1803},
	publisher = {fratres Levrault},
	organization = {fratres Levrault},
	address = {Paris, Strasbourg [Parisiis \& Argentorati]},
	url = {http://www.biodiversitylibrary.org/item/24879$\#$page/9/mode/1up},
	author = {Michaux, Andr{\'e}}
}
@article {20296,
	title = {Phylogeny and biogeography of Sassafras (Lauraceae) disjunct between eastern Asia and eastern North America},
	journal = {Plant Systematics and Evolution},
	volume = {267},
	year = {2007},
	pages = {191-203},
	chapter = {191},
	doi = {10.1007/s00606-007-0550-1},
	url = {http://link.springer.com/article/10.1007\%2Fs00606-007-0550-1$\#$page-2},
	author = {Nie, Z._L. and Wen, Jun and Sun, H.}
}
@article {20267,
	title = {Die amerikanischen Lauraceen des D{\"o}ll{\textquoteright}schen Herbars},
	journal = {Mitteilungen des Botanischen Vereins f{\"u}r den Kreis Freiburg und das Land Baden},
	volume = {47/48},
	year = {1888},
	pages = {420-422},
	chapter = {420},
	url = {http://sammlungen.ub.uni-frankfurt.de/botanik/periodical/titleinfo/4543708},
	author = {Mez, Carl}
}
@article {20154,
	title = {Observations on the floral morphology of Sassafras randaiense  (Lauraceae)},
	journal = {Annals of the Missouri Botanical Garden},
	volume = {97},
	year = {2010},
	pages = {1-10},
	chapter = {1},
	author = {Chung, Kuo-Fang and van der Werff, Henk and Peng, C. I.}
}
@article {19889,
	title = {Decades plantarum novarum.  LIX-LXX.},
	journal = { Repertorium specierum novarum regni vegetabilis},
	volume = {9},
	year = {1911},
	pages = {441-463},
	chapter = {441},
	url = {http://www.biodiversitylibrary.org/item/7029$\#$page/448/mode/1up},
	author = {L{\'e}veill{\'e}, Hector}
}
@article {19888,
	title = {Sassafras in China},
	journal = {Bulletin of Miscellaneous Information, Royal Gardens, Kew},
	year = {1907},
	pages = {55-56},
	chapter = {55},
	url = {http://www.biodiversitylibrary.org/item/42879$\#$page/62/mode/1up},
	author = {Hemsley, William B.}
}
@article {18482,
	title = {Patterns in leaf morphology and photosynthesis in shoots of Sassafras albidum (Lauraceae)},
	journal = {American Journal of Botany},
	volume = {78},
	year = {1991},
	pages = {89-98},
	author = {de Soyza, A.G. and Kincaid, D.T.}
}
