Black and balsam poplars of Russia, their natural and cultural hybrids: Molecular data, relationships, and status
Nasimovich Yuri A. Kostina Marina V. Vasilieva Natalia V. The concept of species in poplars (genus Populus L., Salicaceae) based on the example of the subgenus Tacamahaca (Spach) Penjkovsky representatives growing in Russia and neighbouring countries