Caladenia aestiva, commonly known as summer spider orchid, is a plant in the orchid family Orchidaceae and is endemic to south-eastern Australia. It is a ground orchid which grows singly or in small groups in the Australian Capital Territory and Victoria. It has one or two greenish-yellow to pale yellow flowers, often while the single, hairy leaf withers.
Caladenia atroclavia, commonly known as the black-clubbed spider orchid, is a plant in the orchid family Orchidaceae and is endemic to south-eastern Queensland. It is a ground orchid with a single hairy leaf and a pale greenish-cream coloured flower with dark purple clubs and red patches on the petals.
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 helvina, commonly known as the summer 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 usually a single greenish-yellow to pale yellow flower with reddish teeth on the sides of the labellum and reddish calli along its mid-line.
Caladenia oreophila 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-cream flower with pale red stripes a red labellum with a greenish-cream base.
Caladenia osmera 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 one or two greenish-cream flowers with pink stripes and which has a sharp odour resembling burnt plastic.
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 stellata, commonly known as the starry spider orchid is a plant in the orchid family Orchidaceae and is endemic to south-eastern Australia. It is a ground orchid with a single, hairy leaf and usually only one greenish-cream flower with red markings.
Caladenia armata is a plant in the orchid family Orchidaceae and is endemic to the Australian Capital Territory. It has a single dull green leaf with purple blotches near the base, and a single cream-coloured to pink flower with red to maroon markings. It is only known from a single population containing fewer than ten plants.
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.
Caladenia douglasiorum is a plant in the orchid family Orchidaceae and is endemic to central Victoria in Australia. It is a ground orchid with a single hairy leaf and a single greenish-cream to yellowish flower with red marks.
Caladenia ensigera is a plant in the orchid family Orchidaceae and is endemic to South Australia. It is a ground orchid with a single leaf and one or two greenish cream to whitish green flowers and is only known from Alligator Gorge in the Mount Remarkable National Park.
Caladenia saxatilis is a plant in the orchid family Orchidaceae and is endemic to South Australia. It is a ground orchid with a single hairy leaf and one or two pale creamy-green flowers, sometimes with thin reddish lines. It occurs in the southern Flinders Ranges.
Caladenia whiteheadii is a plant in the orchid family Orchidaceae and is endemic to New South Wales. It is a ground orchid with a single hairy leaf and a single pale yellow flower with thick reddish tips on the sepals and petals. It is only known from a single hill near Eugowra.
Caladenia flindersica is a plant in the orchid family Orchidaceae and is endemic to South Australia. It is a ground orchid with a single leaf and one or two cream-coloured flowers with thin dark red to blackish tips on the petals and sepals. It is only known from Alligator Gorge in the Mount Remarkable National Park.
Caladenia strigosa is a plant in the orchid family Orchidaceae and is endemic to South Australia. It is a ground orchid with a single leaf and a single greenish-cream flower with fine reddish streaks. It grows in sandy soil in shrubland.
Caladenia zephyra is a plant in the orchid family Orchidaceae and is endemic to South Australia. It is a ground orchid with a single, densely hairy leaf and a single cream-coloured to very pale yellow flower with blackish glandular hairs on the sepals and petals. It occurs on the Eyre Peninsula but may have a wider distribution.
Caladenia fuliginosa is a plant in the orchid family Orchidaceae and is endemic to the Yorke Peninsula in South Australia. It is a ground orchid with a single hairy leaf and a single relatively large, creamy-yellow flower, sometimes with reddish lines. The flowers have a smell resembling hot metal.
Caladenia intuta is a plant in the orchid family Orchidaceae and is endemic to two small areas on the Yorke Peninsula in South Australia. It is a ground orchid with a single hairy leaf and one or two white flowers which sometimes have faint reddish lines.
