sentences:  This species was first collected from near King George Sound in 1829 by William Baxter, and its description was published by Robert Brown in "Supplementum primum Prodromi florae Novae Hollandiae" as "Dryandra squarrosa" the following year.In 1839 John Lindley described "D. carduacea" from specimens collected in the vicinity of the Swan River.In 1996, Alex George reduced "D. carduacea" to a synonym of "D. squarrosa".