@article {27222,
	title = {Fl. Petrop.  16, 1799},
	year = {Submitted}
}
@article {27223,
	title = {Syn. Pl. Glumac. 1: 149, 1854},
	year = {Submitted}
}
@article {27224,
	title = {Fl. Angl. (Hudson) 23, 1762},
	year = {Submitted}
}
@article {27225,
	title = {Sp. Pl.  60, 1753},
	year = {Submitted}
}
