@article {35382,
	title = {Sp. Pl.  396, 1753},
	year = {Submitted}
}
@article {35383,
	title = {Fl. N. Mitt.-Deutschland, ed. 4 2: 222, 1858},
	year = {Submitted}
}
@article {35384,
	title = {Seznam 82, 1852},
	year = {Submitted}
}
@article {35334,
	title = {Amer. Midl. Naturalist 7(4-5) : 134, 1921},
	year = {Submitted}
}
@article {35335,
	title = {Autik. Bot. 104, 1840},
	year = {Submitted}
}
@article {35381,
	title = {Fl. Baical.-dahur. 2: 213, 1846},
	year = {Submitted}
}
@article {35221,
	title = {Monatsber. Konigl. Preuss. Akad. Wiss. Berlin 1857: 14, 1857},
	year = {Submitted}
}
@article {26222,
	title = {Amer. Midl. Naturalist 7(4-5) : 134, 1921},
	year = {Submitted}
}
