@article {28017,
	title = {Ann. Mus. Bot. Lugduno-Batavi 3: 37, 1867},
	year = {Submitted}
}
@article {28018,
	title = {Salic. Asiat. Sched. Fasc. 1 17, 1931},
	year = {Submitted}
}
@article {28019,
	title = {Fl. Ochot. Phaenog. 77, 1856},
	year = {Submitted}
}
@article {28020,
	title = {Sp. Pl. 2: 1019, 1753},
	year = {Submitted}
}
@article {28021,
	title = {Ark. Bot. (Stockholm) 25: 10, 1933},
	year = {Submitted}
}
@article {28022,
	title = {Bot. Jahrb. Syst. 21, beibl. 53: 50, 1896},
	year = {Submitted}
}
@article {28023,
	title = {Sched. Herb. Fl. Ross. 7: 131, 1911},
	year = {Submitted}
}
@article {28024,
	title = {Prodr. (DC.) 16: 298, 1868},
	year = {Submitted}
}
@article {28025,
	title = {Sp. Pl. 2: 1019, 1753},
	year = {Submitted}
}
@article {28026,
	title = {Fl. Ochot. Phaenog. 81, 1856},
	year = {Submitted}
}
@article {28027,
	title = {Willows USSR 100, 1968},
	year = {Submitted}
}
@article {28028,
	title = {Ann. Mus. Bot. Lugduno-Batavi 3: 28, 1867},
	year = {Submitted}
}
@article {28029,
	title = {Mitt. Deutsch. Dendrol. Ges. 0: 407, 1929},
	year = {Submitted}
}
@article {28030,
	title = {J. Fac. Agric. Hokkaido Imp. Univ. 26 (4): 419, 1934},
	year = {Submitted}
}
@article {28031,
	title = {Gard. \& Forest 8: 463, 1895},
	year = {Submitted}
}
@article {28006,
	title = {Fl. Ross. (Pallas) 1(2): 79, 1788},
	year = {Submitted}
}
@article {28007,
	title = {Sp. Pl. 2: 1071, 1753},
	year = {Submitted}
}
@article {28008,
	title = {Reise Russ. Reich. 3: 321, 759, 1776},
	year = {Submitted}
}
@article {28009,
	title = {Fl. Ross. (Pallas) 1: 80, 1784},
	year = {Submitted}
}
@article {28010,
	title = {Trudy Glavn. Bot. Sada 39: 49, 1923},
	year = {Submitted}
}
@article {28011,
	title = {Sp. Pl. 2: 1020, 1753},
	year = {Submitted}
}
@article {28012,
	title = {Sci. Rep. Tohoku Imp. Univ., Ser. 4, Biol. 13: 77, 1938},
	year = {Submitted}
}
@article {28013,
	title = {Salic. Jap. 59, t. 13, 1903},
	year = {Submitted}
}
@article {28014,
	title = {Ann. Mus. Bot. Lugduno-Batavi 3: 26, 1867},
	year = {Submitted}
}
@article {28015,
	title = {Syst. Veg., ed. 14 (J. A. Murray)  880, 1784},
	year = {Submitted}
}
@article {28016,
	title = {Bot. Mag. (Tokyo) 30: 275, 1916},
	year = {Submitted}
}
