Rimacola elliptica, commonly known as the green rock orchid or green beaks, is the only species of plant in the orchid genus Rimacola and is endemic to New South Wales. It is an evergreen species which grows in clumps in sandstone cracks and has bright green leaves and in late spring, produces arching flower stems with up to eighteen dull greenish flowers with reddish or brown markings. It only grows near Sydney, mainly in the Blue Mountains and near Fitzroy Falls.
Calochilus paludosus, commonly known as the red beard orchid or red beardie, is a species of orchid native to Australia and New Zealand. It has a single fleshy, light green leaf and up to nine greenish flowers with reddish stripes. The labellum has a dull red or coppery coloured beard and lacks the "eye" spots of other beard orchids.
Genoplesium fimbriatum, commonly known as the fringed midge orchid is a small terrestrial orchid found from southern Queensland to southern New South Wales. It has a single thin leaf and up to thirty green to brownish-green flowers with red stripes and a red-tipped labellum with hairy edges.
Prasophyllum alpinum, commonly known as the alpine leek orchid, is a species of orchid endemic to Tasmania. It was formerly described as occurring in mainland Australia but has smaller flowers than the species occurring there. It has a single, tube-shaped leaf and up to fourteen green to greenish-brown flowers and grows in subalpine areas.
Pterostylis squamata, commonly known as the southern rustyhood or ruddyhood, is a plant in the orchid family Orchidaceae and is endemic to south-eastern Australia. Flowering plants have up to ten translucent green flowers with reddish-brown markings and a hairy, insect-like labellum. Non-flowering plants have a rosette of four to eight egg-shaped leaves. This species is very similar to Pterostylis rufa which has a narrower labellum and other minor differences.
Pterostylis reflexa, commonly known as the dainty greenhood, is a species of orchid endemic to New South Wales. As with similar greenhoods, the flowering plants differ from those which are not flowering. The non-flowering plants have a rosette of leaves flat on the ground but the flowering plants have a single flower with leaves on the flowering stem. This greenhood has a relatively large white, green and light brown flower with a long, curved dorsal sepal and a protruding labellum.
Prasophyllum australe, commonly known as the southern leek orchid or austral leek orchid, is a species of orchid and is endemic to south-eastern Australia. It has a single tubular, green leaf and up to fifty scented, greenish-brown flowers with red stripes.
Prasophyllum flavum, commonly known as the yellow leek orchid, is a species of orchid endemic to eastern Australia. It has a single tubular, green leaf with only a short free section and up to fifty scented, yellowish-green flowers.
Prasophyllum gibbosum, commonly known as the humped leek orchid, is a species of orchid endemic to the south-west of Western Australia. It is a late-flowering leek orchid with a single smooth, tubular leaf and up to eighty or more purplish-red and white flowers with a smooth labellum. It is similar to P. cucullatum but that species has a frilly labellum, usually a shorter flowering stem and an earlier flowering period.
Prasophyllum macrostachyum, commonly known as the laughing leek orchid, is a species of orchid endemic to the south-west of Western Australia. It has a single smooth, tube-shaped leaf and up to thirty yellowish-green and purple flowers. It is one of the few Western Australian leek orchids which is not stimulated by summer fires and also has an unusually long flowering period.
Prasophyllum patens, commonly known as the broad-lipped leek orchid or sandstone leek orchid, is a species of orchid endemic to the Sydney region of New South Wales. It has a single tubular green leaf and up to thirty green to greenish-brown, lemon-scented flowers with a white labellum.
Prasophyllum striatum, commonly known as the streaked leek orchid or eastern hunchback orchid, is a species of orchid endemic to New South Wales. It has a single thin, tube-shaped leaf and up to ten greenish and whitish flowers with reddish or purplish stripes. It differs from other leek orchids in having a very thin leaf and prominently streaked flowers.
Genoplesium rufum, commonly known as the rufous midge-orchid, is a species of orchid endemic to New South Wales. It has a single thin, wiry leaf and up to twenty five drooping, pinkish or reddish flowers on a flowering stem which is fused to the lower part of the leaf. It was formerly thought to range from Queensland to South Australia and Tasmania but specimens in other states are now assigned to Genoplesium clivicola.
Corunastylis nigricans, commonly known as the Kangaroo Island midge orchid is a small terrestrial orchid endemic to South Australia. It has a single thin leaf and up to twenty five purplish brown flowers with a shiny, hairless, dark purplish labellum. It is sometimes confused with Genoplesium nigricans which has differently coloured flowers and a much wider distribution. It is regarded as a synonym of G. nigricans by the World Checklist of Selected Plant Families.
Genoplesium baueri, commonly known as the brittle midge orchid, is a small terrestrial orchid which is endemic to New South Wales. It has a single thin leaf and up to nine yellowish green to reddish brown flowers. It is mostly only found in coastal and near-coastal heath and woodland between Port Stephens and Ulladulla.
Chiloglottis diphylla, commonly known as the common wasp orchid, is a species of orchid endemic to Australia. It has two broad leaves and a single narrow, greenish brown to reddish flower with a black, insect-like callus covering the upper surface of the labellum.
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.
Thelymitra media, commonly called the tall sun orchid, is a species of orchid that is endemic to eastern Australia. It has a single fleshy, channelled leaf and up to thirty blue flowers with darker streaks but without spots. The labellum is narrower than the other petals and sepals.
Cryptostylis ovata, commonly known as the slipper orchid or western tongue orchid, is an orchid endemic to Western Australia. It is a common, summer flowering species with dark green leaves with a white central vein and up to fifteen pale greenish flowers with a brownish red labellum with a network of darker veins.
Dendrobium rigidum, commonly known as the smooth tongue orchid or smooth tick orchid, is a species of orchid native to tropical North Queensland and to New Guinea. It is an epiphytic or lithophytic orchid with wiry, hanging stems, fleshy, dark green leaves and flowering stems with between two and seven crowded, cream-coloured, star-shaped flowers often with pink or red on the back. It grows on trees, shrubs and rocks in a paperbark swamps and rainforest.
