Leaf fossils show severe end-Cretaceous plant extinction in Patagonia

Surprising species-level extinction millions of years ago may have reached as high as 92% More at
https://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=301908&WT.mc_id=USNSF_1
This is a Research News item.

Source: NSF Discoveries - January 11, 2021 Category: Science Source Type: research