supported by the National Natural Science Foundation of China(Grant No.31970234);the Ministry of Natural Resources,China(Grant No.12111300000018001);Key-Lab for Evolution of Past Life and Environment in Northeast Asia,Ministry of Education,China(Grant No.2018JDEPw001)。
The fossil trunks and rhizomes of Osmundaceae provide important information about its evolutionary history.Due to limited records of the Mesozoic trunks and rhizomes in the Eurasia of the Northern Hemisphere,our under...