TY - GENERIC DO - 10.20944/preprints202007.0328.v1 UR - http://dx.doi.org/10.20944/preprints202007.0328.v1 TI - Fan-shaped Spectrums of Species and Paleopolyploidy for Crossbreeding Evolution T2 - Preprints AU - Liu, Li-Yuan PY - 2020 DA - 2020/07/15 PB - Preprints