Black and balsam poplars of Russia, their natural and cultural hybrids: Molecular data, relationships, and status
Klimov Andrey V. Proshkin Boris V. Anthropogenic hybridization of Populus × sibirica and Populus nigra in Siberia. Crossbreeding in ruderal (disturbed) habitats
Proshkin Boris V. Klimov Andrey V. Anthropogenic hybridization of Populus × sibirica and Populus nigra in Siberia. Crossbreeding in natural habitats