Caladenia busselliana, commonly known as Bussell's spider orchid, is a plant in the orchid family Orchidaceae and is endemic to a small area in the south-west of Western Australia. It is a rare orchid with an erect, hairy leaf and up to three pale yellow flowers. Only about fifty specimens are known and it is threatened by habitat destruction and by too-frequent or too infrequent bushfires.
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 excelsa, commonly known as the giant spider orchid, is a species of orchid endemic to a small area in the south-west of Western Australia. It is a rare species with a single, hairy leaf and up to three cream-coloured to greenish-cream flowers with long, drooping sepals and petals. It is one of the tallest spider orchids in Western Australia and, with Caladenia splendens, has the largest flowers of any Western Australian orchid.
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 georgei, commonly known as the tuart 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 whitish to yellowish-green flowers flushed with red and which have a white labellum with a red tip.
Caladenia graniticola, commonly known as the Pingaring 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 yellowish-green, red and white flowers which have a greenish-yellow and white labellum with a red tip. It was originally described as Caladenia hoffmanii subsp. graniticola but has a slightly different labellum and column.
Caladenia hoffmanii, commonly known as Hoffman's 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, greenish-yellow, red and white flowers which have a greenish-yellow labellum with a red tip. It is distinguished from the Pingaring spider orchid by small differences in the labellum and more northerly distribution.
Caladenia incensum, commonly known as the glistening spider orchid is a species of orchid endemic to the south-west of Western Australia. It has a single, hairy leaf and three glistening white flowers which have a red-striped labellum.
Caladenia applanata subsp. applanata, commonly known as the broad-lipped spider orchid, is a species of orchid endemic to the south-west of Western Australia. It is a relatively common orchid with a single erect, hairy leaf and up to three flowers which may be red, cream, green or yellow and have a broad, flattened, red-tipped labellum.
Caladenia attingens subsp. attingens, commonly known as the forest mantis orchid or sneezing spider orchid, is a species of orchid endemic to the south-west of Western Australia. It is a relatively common orchid with a single erect, hairy leaf and one or two green, yellow and red flowers. It is similar to the fringed mantis orchid but has smaller flowers and has a more southerly distribution.
Caladenia lorea, commonly known as the blushing 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 cream, pink and red flowers and often hybridises with the white spider orchid producing intermediate forms.
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 microchila, commonly known as the western wispy spider orchid, is a species of orchid endemic to the south-west of Western Australia. It is relatively common orchid with a single erect, hairy leaf and up to three wispy white flowers with narrow lateral sepals and petals and a white labellum with red markings.
Caladenia nobilis, commonly known as the noble 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 large white flowers with a red-marked 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 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 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.
Caladenia uliginosa subsp. candicans, commonly known as the northern darting 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 yellowish-cream flowers which have a forward-projecting labellum lacking the red tip of subspecies uliginosa.
Caladenia viridescens, commonly known as the Dunsborough 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 pale greenish-yellow flowers with faint red or pink markings.
