Chen, Q.; Song, J.; Du, W.-P.; Xu, L.-Y.; Yu, G.-R. Possible Origin of Triticum Petropavlovskyi Based on Cytological Analyses of Crosses Between T. Petropavlovskyi and Tetraploid, Hexaploid, and Synthetic Hexaploid (SHW-DPW) Wheat Accessions. Span. j. agric. res. 2017, 14, e0713.