Caladenia argocalla, commonly known as white beauty spider orchid, is a plant in the orchid family Orchidaceae and is endemic to South Australia. It is a ground orchid which grows singly or in loose groups and has a single, hairy leaf and one or two white to greenish-white flowers on a wiry, hairy stalk. The total population is thought to be between 2,000 and 4,500 and it is classed as an "Endangered" species.
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 conferta, commonly known as the crowded spider orchid or coast spider-orchid, is a plant in the orchid family Orchidaceae and is endemic to a restricted area in South Australia. It is a ground orchid with a single hairy leaf, and usually a single yellowish-green flower with red markings on a wiry, 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 macroclavia, commonly known as the large-club spider orchid, or brown bayonets, 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 a single green to yellowish-green flower with dark red central stripes. It is a rare species and in 2006 the total population was estimated to be between 35 and 80 mature 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 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.
Corybas abditus, commonly known as the swamp helmet orchid or small helmet orchid , is a species of terrestrial orchid endemic to Western Australia. It is a rare orchid with a single bluish green, heart-shaped leaf and a small flower with an enlarged dorsal sepal and tube-shaped labellum.
Corybas cerasinus, commonly known as the red helmet orchid, is a species of terrestrial orchid endemic to tropical north Queensland. It has a single bluish green, heart-shaped leaf and a cherry red to dark maroon flower with its curved dorsal sepal obscuring its labellum which has an upturned tip.
Corybas despectans, commonly known as the tiny helmet orchid or sandhill helmet orchid is a species of terrestrial orchid endemic to southern Australia. It has round or heart-shaped leaf and a tiny reddish purple flower. Unlike many others in the genus, the dorsal sepal does not cover the labellum. It is similar to C. incurvus but the flowers are smaller.
Corybas dowlingii, commonly known as red lanterns, is a rare species of terrestrial orchid endemic to New South Wales. It grows in colonies and has a round or heart-shaped leaf and a dark purplish red flower with white patches in the labellum.
Corybas expansus, commonly known as the flared helmet orchid, is a species of terrestrial orchid endemic to South Australia. It has a heart-shaped to more or less round leaf and a single purplish flower with greenish or transparent areas. It is a vulnerable species, found in near-coastal sand and leaf litter.
Corybas fordhamii, commonly known as the banded helmet orchid or swamp helmet orchid, is a species of terrestrial orchid endemic to south-eastern Australia. It has an egg-shaped to heart-shaped leaf and a reddish to reddish purple flower which leans forward. It is similar to C. unguiculatis which does not grow in swamps and has a different labellum.
Corybas incurvus, commonly known as the slaty helmet orchid, is a species of terrestrial orchid endemic to south-eastern Australia. It has a broad egg-shaped to heart-shaped leaf and a dark purple flower with a white patch in the middle.
Corybas limpidus, commonly known as the crystal helmet orchid, is a species of terrestrial orchid endemic to Western Australia. It has round or heart-shaped leaf and a translucent greenish flower with dark red or burgundy-coloured spots and blotches. The edges of the labellum have a few short, blunt teeth.
Corybas × miscellus, commonly known as the hybrid helmet orchid, is a hybrid species of terrestrial orchid endemic to South Australia and a very small area in far western Victoria. It has a heart-shaped to more or less round leaf and a single reddish purple flower with greyish translucent areas. It is a natural hybrid between C. diemenicus and C. incurvus and shares the characteristics of the parent species.
Corybas montanus, commonly known as the montane helmet orchid, is a species of terrestrial orchid endemic to Queensland. It forms small colonies and has single heart-shaped to round leaf and a reddish, self-pollinating flower with a curved dorsal sepal. It is only known from the Mount Barney National Park in south-east Queensland.
Corybas recurvus, commonly known as the western helmet orchid or common helmet is a species of terrestrial orchid endemic to Western Australia. It has round or heart-shaped leaf and a dark reddish purple or purplish black flower. It is widespread and common between Bunbury and Albany.
Corybas undulatus, commonly known as tailed helmet orchid, is a species of terrestrial orchid endemic to eastern Australia. It has a single leaf and a single translucent grey flower with reddish markings, and a labellum with a bristly surface, fine teeth on the edge and a small tail on the tip.
Corybas unguiculatus, commonly known as the small helmet orchid or pelicans, is a species of terrestrial orchid endemic to south-eastern Australia. It is a widespread, sometimes common but small orchid with a single leaf and a single reddish purple to reddish black flower.
