Flora of Russia : the European part and bordering regions. Volume X, part A, Magnoliophyta (=Angiospermae), Magnoliopsida (=Dicotyledones) / editor-in-chief N. N. Tzvelev ; [translator & general editors V. S. Kothekar and D. N. Fotedar].    Leiden :  Taylor & Francis/Balkema,  c2007 . xxii, 376 s.