TY - GENERIC DO - 10.20944/preprints202007.0328.v2 UR - http://dx.doi.org/10.20944/preprints202007.0328.v2 TI - Fan-shaped Spectrums of Species and Paleopolyploidy for Foundation of Crossbreeding Evolution T2 - Preprints AU - Liu, Li-Yuan PY - 2021 DA - 2021/11/30 PB - Preprints