@article{202007.0328, doi = {10.20944/preprints202007.0328.v3}, url = {https://doi.org/10.20944/preprints202007.0328.v3}, year = 2022, month = {March}, publisher = {Preprints}, author = {Li-Yuan Liu}, title = {Fan-shaped Spectrums of Species and Paleopolyploidy for Foundation of Crossbreeding Evolution}, journal = {Preprints} }