Orchidaceae also known as the orchid family is one of the two largest families of flowering plants. Caladenia (Spider orchids) is a genus of 350 species. Most are endemic to Australia and 136 species occur in Western Australia.
The genus of Elythranthera, known as enamel orchids, contain two species endemic to the south-west of Western Australia. Diuris, commonly known as donkey orchids is mostly endemic to Australia. Dipodium, commonly known as hyacinth orchids contain about forty species of orchids native to tropical, subtropical and temperate regions including Australia
