00609naa#a2200169#i#450# EN\\bibl\23284 20241122065553.5 2542-2448 20170825b2017####ek#y0engy0150####ca RU FORM DIVERSITY OF <i>POPULUS NIGRA L., P. LAURIFOLIA LEDEB. </i>AND <i>P. × JRTYSCHENSIS </i>CHANG Y. YANG IN THE NORTH-WESTERN PART OF THE ALTAI-SAYANIAN MOUNTAIN AREA Journal article Kemerovo Kemerovo State University 2017 5 с. Journal article local Klimov Andrey V. Proshkin Boris V. vestnik-bees.kemsu.ru