@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} }