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
Nasimovich Yuri A. Vasilieva Natalia V. Comparison of morphological characters of different poplar species (Populus, Salicaceae) using the example of Russian and Central Asian Tacamahaca (Spach) Penjkovsky subgenus representatives