@article {7039,
	title = {Erigeron sumatrensis (Asterace ae): a recently recognized alien species in the Bulgarian flora. Phytol},
	journal = {Balcan},
	volume = {15},
	year = {2009},
	month = {2009///},
	pages = {361 - 365},
	author = {V. Vladimirov}
}
