Banksia dallanneyi subsp. sylvestris is a subspecies of Banksia dallanneyi

Banksia dallanneyi

Banksia dallanneyi, commonly known as Couch Honeypot, is a prostrate shrub endemic to Western Australia. It grows to a height and width of up to 0.5 m, although it is very common for many plants to be growing side by side; thus the clump may be several metres across.It was known as Dryandra...

. It was known as Dryandra lindleyana subsp. sylvestris until 2007, when Austin Mast

Austin Mast

Austin R. Mast is a research botanist. Born in 1972, he obtained a Ph.D. from the University of Wisconsin–Madison in 2000. He is currently an associate professor within the Department of Biological Science at Florida State University , and has been director of FSU's since August 2003.One of his...

 and Kevin Thiele

Kevin Thiele

Kevin R. Thiele is curator of the Western Australian Herbarium. His research interests include the systematics of the plant families Proteaceae, Rhamnaceae and Violaceae, and the conservation ecology of grassy woodland ecosystems...

 sunk all Dryandra

Dryandra

Banksia ser. Dryandra is a series of 94 species of shrub to small tree in the plant genus Banksia. It was considered a separate genus named Dryandra until early 2007, when it was merged into Banksia on the basis of extensive molecular and morphological evidence that Banksia was paraphyletic with...

into Banksia

Banksia

Banksia is a genus of around 170 species in the plant family Proteaceae. These Australian wildflowers and popular garden plants are easily recognised by their characteristic flower spikes and fruiting "cones" and heads. When it comes to size, banksias range from prostrate woody shrubs to trees up...

. Since there was already a Banksia named Banksia lindleyana

Banksia lindleyana

Banksia lindleyana, commonly known as the Porcupine Banksia, is a species of woody shrub in the genus Banksia of the family Proteaceae. It generally grows as a small shrub to 1 m high with long narrow serrated leaves, and bright yellow oval or round inflorescences...

, Mast and Thiele had to choose a new specific epithet for D. lindleyana and hence for this subspecies of it. As with other members of Banksia ser. Dryandra, it is endemic to the South West Botanical Province of Western Australia

Western Australia

Western Australia is a state of Australia, occupying the entire western third of the Australian continent. It is bounded by the Indian Ocean to the north and west, the Great Australian Bight and Indian Ocean to the south, the Northern Territory to the north-east and South Australia to the south-east...

.