Robuta

https://repository.si.edu/items/19bd730b-17eb-4404-a8a2-11c21caf4937 The so-called "Paleophytic-Mesophytic" transition in equatorial Pangea: Multiple Biomes and... https://pure.psu.edu/en/publications/successional-replacement-of-old-growth-white-oak-by-mixed-mesophy/ Successional replacement of old-growth white oak by mixed mesophytic hardwoods in southwestern...