Complex sentence: They foreshadowed publishing a full arrangement once DNA sampling of "Dryandra" was complete; in the meantime, if Mast and Thiele's nomenclatural changes are taken as an interim arrangement, then "B. menziesii" is placed in "B." subg.
Split into simpler sentences: They foreshadowed publishing a full arrangement once DNA sampling of "Dryandra" was complete. In the meantime, if Mast and Thiele's nomenclatural changes are taken as an interim arrangement, then "B. menziesii" is placed in "B." subg.