Caladenia brachyscapa is a plant in the orchid family Orchidaceae and is native to Victoria and possibly Clarke Island in Bass Strait. It is a ground orchid with a single hairy leaf and a reddish-pink flower with thick, black, club-like swellings on the petals and sepals. Although formally described in 1988 living specimens have not been observed since 1979.
Caladenia caudata, commonly known as tailed spider orchid, is a plant in the orchid family Orchidaceae and is endemic to Tasmania. It is a ground orchid with a single hairy leaf and up to four red, or yellow and red flowers with dark red to almost black tips.
Caladenia cremna, commonly known as Don's spider orchid, is a plant in the orchid family Orchidaceae and is endemic to a small area in Victoria. It is a rare ground orchid with a single hairy leaf and a single yellow flower with red striations.
Caladenia cretacea, commonly known as Stuart Mill spider orchid, is a plant in the orchid family Orchidaceae and is endemic to a small area in Victoria. It is a rare ground orchid with a single leaf and one or two white flowers on a hairy stalk.
Caladenia echidnachila, commonly known as the fawn spider orchid, is a plant in the orchid family Orchidaceae and is endemic to Tasmania. It is a ground orchid with a single, hairy leaf and one or two fawn-coloured flowers with thin red lines on the sepals and petals.
Caladenia ensata, commonly known as the stumpy spider orchid, is a species of orchid endemic to the south-west of Western Australia. It is a common orchid within its natural range and has a single, hairy leaf and up to three pale yellow and red flowers which have short but thick, fleshy glandular tips.
Caladenia falcata, commonly known as the fringed mantis orchid, is a species of orchid endemic to the south-west of Western Australia. It is a relatively common orchid within its natural range and has a single, hairy leaf and one or two green, yellow and red flowers with spreading petals and upswept lateral sepals.
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 formosa, commonly known as the large crimson spider orchid, or elegant spider orchid is a plant in the orchid family Orchidaceae and is endemic to Victoria and South Australia. It is a ground orchid with a single hairy leaf and a single crimson-coloured flower and which mainly occurs only in south-western Victoria.
Caladenia fragrantissima, commonly known as the scented spider orchid, is a plant in the orchid family Orchidaceae and is endemic to Victoria and South Australia. It is a ground orchid with a single hairy leaf and up to three creamy-white to yellowish-green flowers. It is possible that it is conspecific with Caladenia orientalis.
Caladenia hastata, commonly known as Mellblom's spider orchid is a plant in the orchid family Orchidaceae and is endemic to Victoria. It is a ground orchid with a single hairy leaf and up to three white to cream-coloured flowers with red markings on the labellum.
Caladenia lindleyana, commonly known as the Lindley's spider orchid is a species of orchid endemic to Tasmania. It has a single, hairy leaf and one or two greenish-yellow flowers tinged with red and with thin dark tips on the sepals. Very few plants of this species survive with only one plant, which has not been seen since 1997, protected in a reserve.
Caladenia orientalis, commonly known as the eastern spider orchid, is a species of orchid endemic to Victoria. It is a ground orchid with a single hairy leaf and one or two creamy-white to yellowish-green flowers and which only grows near the Mornington Peninsula.
Caladenia patersonii is a plant in the orchid family Orchidaceae and is native to Victoria and Tasmania. It is a ground orchid with a single hairy leaf and one or two creamy-white, yellowish or pink flowers.
Caladenia peisleyi is a plant in the orchid family Orchidaceae and is endemic to south-eastern Australia. It is a ground orchid with a single leaf and a single greenish-yellow flower with pale red stripes. It is difficult to distinguish from several other Caladenia species.
Caladenia rhomboidiformis, commonly known as the diamond 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 green, yellow and red flowers. Until 1971 It was known as a variety of the green comb spider orchid Caladenia dilatata then, until 1989 as a variety of the clubbed spider orchid, Caladenia longiclavata.
Caladenia stricta, commonly known as the upright spider orchid or rigid-combed spider-orchid is a plant in the orchid family Orchidaceae and is endemic to southern continental Australia. It is a ground orchid with a single leaf and usually only one pale green flower with red lines along the sepals and petals.
Caladenia thysanochila, commonly known as the peninsula spider orchid or fringed spider-orchid, is a plant in the orchid family Orchidaceae and is endemic to Victoria. It is a ground orchid with a single hairy leaf and a single bright white to pale pinkish flower. Only two flowers have been seen and the species is thought to be extinct.
Caladenia valida, commonly known as the robust spider orchid, is a plant in the orchid family Orchidaceae and is endemic to south-eastern continental Australia. It is a ground orchid with a single sparsely hairy leaf and up to three white to cream-coloured flowers which sometimes have red streaks. It is similar to Caladenia reticulata but is large and taller with more stiffly spreading lateral sepals and petals.
Caladenia branwhitei, commonly known as the Bethungra spider orchid, is a plant in the orchid family Orchidaceae and is endemic to southern New South Wales. It has a single dull green leaf and one or two, usually dark red to maroon-coloured flowers. It is only known from three areas near Bethungra where it grows in ironbark forest.
