@article {35819,
	title = {Trudy Imp. S.-Peterburgsk. Bot. Sada 19: 255, 1902},
	year = {Submitted}
}
@article {35820,
	title = {Trudy Imp. S.-Peterburgsk. Bot. Sada 19: 257, 1902},
	year = {Submitted}
}
@article {35821,
	title = {Bull. Cl. Phys.-Math. Acad. Imp. Sci. Saint-P?ersbourg 4: 311, 1845},
	year = {Submitted}
}
@article {26326,
	title = {Sp. Pl. 2: 750, 1753},
	year = {Submitted}
}
