Banksia ser. Banksia
…its four taxa into B. ser. Banksia. They then divided the series into two subseries, placing B. ornata (desert banksia), B. serrata and B. aemula in B. subser. Banksia, and all other species in B. subser. Cratistylis. The placement and circumscription of B. ser. Banksia in Thiele and Ladiges' arrangement may be…