Nikolai Tzvelev

Nikolai Nikolayevich Tzvelev (also romanized Nikolái Tsveliov; ) (January 31 (according to the passport February 3) 1925, Tambov - July 19, 2015, St. Petersburg) was a Russian botanist, a specialist in the field of systematics, floristry, morphology and evolution of vascular plants. He was a corresponding member of the Russian Academy of Sciences (2000) .
Among his most important scientific achievements is a critical revision of the taxonomy of the grass family, a study of the problems of the origin of this taxon and its further evolution.
He recognized "Korringia" as a genus, when Anna Prokofevna Czukavina described it only as a sect. of Polygonum.
This author is usually abbreviated «Tzvelev» when citing a botanical name.
Taxa by Tzvelev.
"Arctanthemum arcticum" (L.)Tzvelev.
Works.
2007 Vascular Plants of Russia and Adjacent States (the Former USSR)