@article {7187,
	title = {Impatiens glandulifera (Balsaminaceae) as an ornamental and escape in Finland, with notes on the other Nordic countries. Symb},
	journal = {Bot. Upsal},
	volume = {31},
	year = {1996},
	month = {1996///},
	pages = {221 - 228},
	author = {A. Kurtto}
}
@article {7188,
	title = {Studies in the North-West European species of Rorippa s.str. Symb},
	journal = {Bot. Upsal},
	volume = {19},
	year = {1968},
	month = {1968///},
	pages = {1 - 222},
	author = {B. Jonsell}
}
@article {7189,
	title = {Studies in Agrostis and related genera. Symb},
	journal = {Bot. Upsal},
	volume = {17},
	year = {1960},
	month = {1960///},
	pages = {1 - 112},
	author = {S.O. Bj{\"o}rkman}
}
