Caladenia robinsonii, commonly known as the Frankston 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 one or two red and creamy-yellow flowers with dark red glandular tips on the sepals. In 2010 only about forty specimens of this plant, growing in a single population were known.
Caladenia amoena, commonly known as the charming spider orchid, is a plant in the orchid family, Orchidaceae, and is endemic to Victoria. It is a ground orchid which grows singly or in small groups, has a single dark green, hairy leaf and a single yellowish-green flower with red stripes. It is only known from a few sites and has been classified as Endangered.
Caladenia cardiochila, commonly known as thick-lipped spider-orchid, fleshy-lipped caladenia and heartlip 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 one or two yellowish-green, red-striped flowers on a thin, wiry stem.
Caladenia colorata, commonly known as coloured spider-orchid, small western spider-orchid and painted spider-orchid is a plant in the orchid family Orchidaceae and is endemic to South Australia and possibly Victoria. It is a ground orchid with a single hairy leaf, and usually a single creamy-green flower with blood-red or purple-brown markings and with dark tips on the petals and sepals.
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 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 flaccida, commonly known as the flaccid spider orchid, is a plant in the orchid family Orchidaceae and is endemic to eastern Australia. It is a ground orchid with a single hairy leaf and up to three cream-coloured, pinkish or red flowers with long, thread-like, glandular tips on the sepals and petals.
Caladenia flavovirens, commonly known as the summer spider orchid, or the Christmas spider orchid is a plant in the orchid family Orchidaceae and is endemic to Victoria in Australia. It is a ground orchid with a single hairy leaf and one or two pale greenish-yellow flowers.
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 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 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 richardsiorum, commonly known as the little dip spider orchid, Richards' spider orchid or robe spider orchid, is a plant in the orchid family Orchidaceae and is endemic to South Australia. It is a ground orchid with a single erect, hairy leaf and usually only one yellowish-green flower. It is similar to the endangered Mellblom's spider orchid but has a much larger leaf and the petals lack glandular tips.
Caladenia verrucosa, commonly known as the mallee 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-yellow and red flower.
Caladenia tessellata, commonly known as the thick-lip 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 one or two yellowish-green flowers with dark red markings.
Caladenia tensa, commonly known as the rigid 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 one or two pale green flowers with red stripes. It is mainly only found in the Little Desert National Park in Victoria and in the far south-east of South Australia but there are four records from New South Wales.
Caladenia toxochila, commonly known as the bow-lip 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, sparsely hairy leaf and one or two yellowish-green flowers with red stripes. It occurs in Victoria and South Australia and resembles the related Caladenia concinna from New South Wales.
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 villosissima, commonly known as the hairy spider orchid, is a plant in the orchid family Orchidaceae and is endemic to Victoria. It is a ground orchid with a single densely hairy leaf and a single pale green flower with red stripes along the sepals and petals. It is a poorly known species and there is insufficient information about its distribution and abundance to determine whether or not it is endangered.
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.
