Banksia squarrosa subsp. squarrosa

'Banksia squarrosa'' subsp. squarrosa' is a subspecies of Banksia squarrosa'', commonly called "pingle". As an autonym, it is defined as encompassing the type material of the species. It was known as 'Dryandra squarrosa'' subsp. squarrosa' until 2007, when Austin Mast and Kevin Thiele sunk all Dryandra into Banksia''. As with other members of Banksia ser. Dryandra, it is endemic to the South West Botanical Province of Western Australia.