B. Subg. Banksia sensu Mast and Thiele
In 2005, Austin Mast, Eric Jones and Shawn Havery published the results of their cladistic analyses of DNA sequence data for Banksia. They inferred a phylogeny very greatly different from the accepted taxonomic arrangement, including finding Banksia to be paraphyletic with respect to Dryandra. A new taxonomic arrangement was not published at the time, but early in 2007 Mast and Thiele initiated a rearrangement by transferring Dryandra to Banksia, and publishing B. subg. Spathulatae for the species having spoon-shaped cotyledons. Thus B. subg. Banksia was redefined as containing the species lacking spoon-shaped cotyledons. Mast and Thiele have foreshadowed publishing a full arrangement once DNA sampling of Dryandra is complete.
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