Complex sentence: Recent DNA analyses led by Austin Mast have confirmed George's position that "Dryandra" and "Isostylis" are not especially closely related, but have also provided powerful evidence that "Banksia" is paraphyletic with "Dryandra".
Split into simpler sentences: Recent DNA analyses led by Austin Mast have confirmed George's position that "Dryandra" and "Isostylis" are not especially closely related. However, these analyses also provided powerful evidence that "Banksia" is paraphyletic with "Dryandra".