Rhizanthella slateri, commonly known as the eastern underground orchid, is a species of flowering plant in the orchid family and is endemic to New South Wales. It is a mycoheterotrophic herb that spends most of its life under the soil surface, its flowers only sometimes appearing a few millimetres about ground level.
Rhizanthella gardneri, commonly known as western underground orchid, is a species of flowering plant in the orchid family and is endemic to the southwest of Western Australia. It is a herb that spends its entire life cycle, including flowering, at or below the soil surface. A head of up to 100 small reddish to cream-coloured, inward facing flowers surrounded by large, cream-coloured bracts with a horizontal rhizome is produced between May and July.
Rhizanthella, commonly known as underground orchids, is a genus of flowering plants in the orchid family, Orchidaceae and is endemic to Australia. All are leafless, living underground in symbiosis with mycorrhizal fungi. The inflorescence is a head of flowers held at, or just above the ground but mostly covered by soil or leaf litter and little is known about the mechanism of pollination.
Caladenia carnea, commonly known as pink fingers, is a plant in the orchid family Orchidaceae and is endemic to eastern and south-eastern Australia, including Tasmania. It has a single thin, green leaf and one to five white or pink flowers with red stripes and two rows of yellow-tipped "calli" on their labellum.
Caladenia fuscata, commonly known as dusky fingers, is a plant in the orchid family Orchidaceae and is endemic to eastern and south-eastern Australia, including Tasmania. It is a small ground orchid found in eucalyptus woodland and which flowers in September and October.
Acianthus collinus, commonly known as hooded mosquito orchid or inland mosquito orchid, is a flowering plant in the orchid family Orchidaceae and is endemic to New South Wales and Victoria in Australia. It is a terrestrial herb with a single, heart-shaped leaf and between two and nine translucent pinkish flowers with reddish markings and is found growing in colonies on sheltered slopes in open forest in on the western slopes of the Great Dividing Range.
Pterostylis cobarensis, commonly known as the inland rustyhood or Cobar rustyhood is a plant in the orchid family Orchidaceae and is endemic to Australia. It has a rosette of leaves and between two and ten hairy, green and brown flowers with translucent white "windows" and a fleshy, insect-like labellum. It grows in inland areas of eastern Australia.
Pterostylis barringtonensis, commonly known as the Barrington leafy greenhood, is a plant in the orchid family Orchidaceae and is 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 on a short stalk but the flowering plants lack a rosette and have up to seven dark green flowers on a flowering stem with stem leaves. It is only known from Barrington Tops.
Pterostylis praetermissa, commonly known as the Mount Kaputar rustyhood is a plant in the orchid family Orchidaceae and is endemic to New South Wales. It has a rosette of leaves and up to nine relatively small greenish and reddish-brown flowers with transparent "windows" and a reddish-brown, insect-like labellum.
Pterostylis riparia, commonly known as the streamside greenhood, is a plant in the orchid family Orchidaceae and is endemic to New South Wales. Both flowering and non-flowering plants have a rosette of dark green, fleshy leaves. Flowering plants have a single, relatively large green, white and reddish-brown flower with a deeply notched sinus between hairy lateral sepals.
Pterostylis saxicola, commonly known as the Sydney plains rustyhood, or Sydney plains greenhood, is a plant in the orchid family Orchidaceae and is endemic to New South Wales. It has a rosette of leaves at its base and up to ten reddish-brown flowers with translucent "windows", relatively wide lateral sepals with short-pointed tips and a dark brown, fleshy, insect-like labellum.
Pterostylis subtilis, commonly known as the thin mountain greenhood, is a species of orchid endemic to New South Wales. It has a rosette of leaves and when flowering a single translucent white flower with dark green lines, a narrow, deeply notched sinus between the lateral sepals and a curved, protruding labellum.
Prasophyllum rogersii, commonly known as the Barrington Tops leek orchid is a species of orchid endemic to New South Wales. It has a single tubular leaf and up to twenty five reddish-brown flowers and only occurs in a few locations at higher altitudes.
Prasophyllum crassum is a species of orchid endemic to South Australia. It has a single tube-shaped leaf and up to fifteen greenish and pinkish-brown flowers with a whitish labellum. It is a recently described plant, previously included with P. fitzgeraldii, but distinguished from that species by its smaller number of smaller, less colourful flowers and different labellum shape. It grows in the south-east of the state and usually only appears after fire.
Genoplesium confertum, commonly known as the crowded midge orchid, is a small terrestrial orchid endemic to the south-east of Queensland. It has a single thin leaf fused to the flowering stem and up to sixty small, densely crowded, reddish and green flowers and grows in coastal heath.
Genoplesium superbum, commonly known as the pink midge orchid or superb midge orchid, is a small terrestrial orchid which is endemic to New South Wales. It has a single thin leaf and up to fifteen dark pinkish-purple flowers which lean downwards. It is listed as "endangered" in New South Wales because of its limited distribution and disturbance of its habitat.
Goodyera umbrosa, commonly known as the native jade orchid or green jewel orchid, is a species of orchid that is endemic to northern Queensland where it grows in highland rainforest. It has between four and eight large, egg-shaped leaves and up to ten small pale green or pinkish flowers with the dorsal sepal and petals forming a hood over the column.
Epipogium roseum, commonly known as the ghost orchid, leafless nodding orchid or 虎舌兰 , is a leafless terrestrial mycotrophic orchid in the family Orchidaceae. It has up to sixteen cream-coloured, yellowish or pinkish flowers with an enlarged ovary on a fleshy hollow flowering stem. This ghost orchid is widely distributed in tropical Africa, Asia, Southeast Asia, New Guinea, Australia and some Pacific Islands.
Dendrobium mortii, commonly known as the slender pencil orchid, is a species of orchid that is endemic to eastern Australia. It is an epiphyte with hanging stems and leaves and flowering stems with up to three pale green to dark green flowers. The flowers have a white labellum with purple markings. It usually grows near the tops of rainforest trees that are often shrouded in mist.
Rhizanthella johnstonii, commonly known as south coast underground orchid, is a species of flowering plant in the orchid family and is endemic to the southwest of Western Australia. It is a subterranean herb that has a horizontal rhizome and a head of up to sixty small white flowers with a pink tinge, surrounded by relatively large, cream-coloured to pale pinkish cream bracts.
