%0 Journal Article %A M. P. Shashkov %A N. V. Ivanova %T Web-based information system on distribution of rare lichen {\it Lobaria pulmonaria\/} (L.) Hoffm.\ in Russia %J Matematičeskaâ biologiâ i bioinformatika %D 2012 %P 334-344 %V 7 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MBB_2012_7_1_a26/ %G ru %F MBB_2012_7_1_a26