Flora of Russia : the European part and bordering regions. Volume 1, Lycopodiophyta, Equisetophyta, Polypodiophyta, Pinophyta (=Gymnospermae), Magnoliophyta (=Angiospermae) / editor-in-chief An. A. Fedorov.    Rotterdam :  A.A. Balkema,  1999 . xi, 546