sentences:  "ferruginea".This stood until 1996, when Alex George restored the specific rank of "D. ferruginea", and declared "D. runcinata" its synonym.In the same 1996 paper, George described the subspecies "chelomacarpa", "ferruginea", "flavescens", "obliquiloba", "pumila" and "tutanningensis" in the journal "Nuytsia" and in 2005 described a seventh, subspecies "magna" in a later edition of the same journal.