@book {1042,
	title = {Vascular flora of Illinois: a field guide},
	year = {2013},
	publisher = {SIU Press},
	organization = {SIU Press},
	isbn = {0809332094},
	author = {Mohlenbrock, Robert H}
}
@book {793,
	title = {Vascular flora of Illinois},
	year = {2002},
	publisher = {SIU Press},
	organization = {SIU Press},
	isbn = {0809390051},
	author = {Mohlenbrock, Robert H}
}
