@article {27870,
	title = {J. Arnold Arbor. 2: 61, 1920},
	year = {Submitted}
}
@article {27871,
	title = {Sp. Pl. 479, 1753},
	year = {Submitted}
}
@article {27872,
	title = {Bot. Mag. (Tokyo) 40: 564, 1926},
	year = {Submitted}
}
@article {27873,
	title = {Bull. Acad. Imp. Sci. Saint-Petersbourg ser.2, 15: 132, 1856},
	year = {Submitted}
}
