Botanists examined the genomes of two species, Quercus acutissima and Q. chenii, to see if changes in the climate three million years ago affected how they hybridised.
Read the post at https://www.botany.one/2022/02/botanists-find-the-effects-of-ancient-climates-in-the-modern-genomes-of-two-closely-related-oak-species/
Read the original article at https://doi.org/10.1093/aob/mcab140