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 revoluta, commonly known as the autumn greenhood, is a species of orchid endemic to south-eastern Australia. 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 spike. This greenhood has white and green flowers which have a long, curved, pointed labellum which extends beyond the sinus between the lateral sepals.
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 gracile, commonly known as the little laughing leek orchid, is a species of orchid endemic to the south-west of Western Australia. It is one of the most common and widespread orchids in the south-west and has a single smooth, tube-shaped leaf and up to forty or more, usually yellowish-green flowers.
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 fuscum, commonly known as the slaty leek orchid or tawny leek orchid, is a species of orchid endemic to a small region of New South Wales. It has a single tubular green leaf and up to thirty greenish brown to reddish brown flowers. There is debate about the taxonomy of the species with some authorities considering Prasophyllum uroglossum as a separate species. Only about twenty five plants are known to survive in south-western Sydney.
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.
Acianthus caudatus, commonly known as the mayfly orchid, is a flowering plant in the orchid family Orchidaceae and is endemic to eastern Australia. It is a terrestrial herb with a single egg-shaped or heart-shaped leaf and up to nine dark purplish flowers with thin, spreading sepals and petals, often with a musty odour.
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.
Spiranthes australis, commonly known as austral ladies tresses, is a species of orchid endemic to eastern Australia. It has up to about ten leaves at the base of a flowering stem with up to sixty small pink and white flowers spirally arranged around it.
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.
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.
