Caladenia cruscula, commonly known as the reclining spider orchid is a species of orchid endemic to a small area in the south-west of Western Australia. It has a single hairy leaf and a single cream-coloured flower with a long red fringe on the sides of its labellum.
Caladenia erythronema, commonly known as the red thread spider orchid, and Nyabing spider orchid is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It has a single hairy leaf and up to three red, yellow or cream-coloured flowers with dangling, thread-like sepals and petals and a small labellum.
Caladenia exilis subsp. exilis, commonly known as the salt lake spider orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It is a relatively common spider orchid with a single erect, hairy leaf and up to three white to greenish-cream flowers with a small white, red-striped labellum.
Caladenia fluvialis, commonly known as the Brookton Highway spider orchid is a species of orchid endemic to the south-west of Western Australia. It is a recently discovered orchid with a single hairy leaf and one or two cream-yellow flowers with red markings on the labellum.
Caladenia footeana, commonly known as the crimson spider orchid is a species of orchid endemic to the south-west of Western Australia. It has a single, hairy leaf and one or two, relatively small pinkish-red flowers with a white, red-striped labellum. Its relatively small size makes it hard to find in its surroundings.
Caladenia hirta subsp. hirta, commonly known as the sugar candy orchid or candy orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It has a single leaf and up to three creamy-white or pink flowers with brownish tips and a brown back.
Caladenia horistes, commonly known as the cream spider orchid is a species of orchid endemic to the south-west of Western Australia. It has a single, hairy leaf and one or two, creamy-yellow flowers which have a red-striped labellum and long, dark, thread-like tips on the sepals and petals.
Caladenia lodgeana, commonly known as Lodge's spider orchid, is a species of orchid endemic to a restricted area of the south-west of Western Australia. It has a single, hairy leaf and up to three cream, red and pink flowers and a labellum which lacks the red tip common to many other similar caladenias.
Caladenia attingens subsp. effusa, commonly known as granite mantis orchid, is a subspecies of orchid endemic to the south-west of Western Australia. It has a single erect, hairy leaf and one or two green, yellow and red flowers. It differs from the other subspecies of Caladenia attingens in having smaller flowers with lateral sepals which are not upswept and a labellum which is less than 15 mm (0.6 in) wide.
Caladenia magniclavata, commonly known as the big clubbed spider orchid is a species of orchid endemic to the south-west of Western Australia. It has a single, hairy leaf and up to three pale yellow-green and red flowers with downswept, prominently clubbed sepals and petals.
Caladenia meridionalis, commonly known as the south coast spider orchid, is a species of orchid endemic to the south-west of Western Australia. It is an early-flowering orchid with a single erect, hairy leaf and one or two white flowers with long, drooping lateral sepals and petals.
Caladenia occidentalis, commonly known as the ruby spider orchid, is a species of orchid endemic to the south-west of Western Australia. It has a single erect, hairy leaf and one or two pinkish-red flowers with a white, red-striped labellum.
Caladenia pendens subsp. pendens, commonly known as the pendant spider orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It has a single hairy leaf and up to three relatively large, creamy-white flowers with long drooping petals and sepals and sometimes has a sickly-sweet scent.
Caladenia pendens subsp. talbotii, commonly known as Talbot's spider orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It has a single hairy leaf and one or two white, red and yellow flowers with long drooping petals and sepals and sometimes has a citrus-like scent.
Caladenia perangusta, commonly known as the Boyup Brook spider orchid, is a species of orchid endemic to the south-west of Western Australia. It is a rare spider orchid with a single hairy leaf and one or two cream-yellow or red flowers with narrow, drooping sepals and petals.
Caladenia pholcoidea subsp. pholcoidea, commonly known as the Albany spider orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It has a single hairy leaf and up to four pale yellow flowers with long drooping petals and lateral sepals.
Caladenia pholcoidea subsp. augustensis, commonly known as the Augustus spider orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It is a rare orchid with a single hairy leaf and up to three mostly white flowers with long spreading petals and lateral sepals.
Caladenia postea, commonly known as the dark-tipped spider orchid, is a species of orchid endemic to the south-west of Western Australia. It has a single erect, hairy leaf and up to three small, pale creamy-white flowers. It has a relatively late flowering period compared to similar spider orchids.
Caladenia saxicola, commonly known as the banded ironstone spider orchid is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It has a single erect, hairy leaf and one or two dull creamy-white to pale yellow flowers with spreading lateral sepals and petals.
Caladenia startiorum, commonly known as Starts' spider orchid, is a species of orchid endemic to the south-west of Western Australia. It has a single erect, hairy leaf and up to three pink flowers with a fringe of long teeth on the sides of the labellum and pinkish to brown club-like glandular tips on the sepals.
