XU, W., ZHANG, Y., GUO, L., ZHAO, J., WEI, Z. and ZHANG, J. 2019. High frequency 2n pollen formation in black poplar (Populus nigra L.) induced by colchicine. Notulae Botanicae Horti Agrobotanici Cluj-Napoca. 47, 3 (Jul. 2019), 939–946. DOI:https://doi.org/10.15835/nbha47311521.