Pterostylis anaclasta is a plant in the orchid family Orchidaceae and is endemic to Queensland. It was first formally described in 2010 by David Jones who gave it the name Oligochaetochilus anaclastus. The description was published in The Orchadian from a specimen grown at the Australian National Botanic Gardens from a cutting collected near Eungella Dam. In the same year, Jasmine Janes and Marco Duretto changed the name to Pterostylis anaclasta. The specific epithet (anaclasta) is an Ancient Greek word meaning "bent back".
Pterostylis arfakensis is a plant in the orchid family Orchidaceae and is endemic to Indonesian West Papua in New Guinea. It was first formally described in 1917 by Johannes Jacobus Smith who gave it the name Pterostylis papuana var. arfakensis. The description was published in Lilian Gibbs's book A Contribution to the Phytogeography and Flora of the Arfalk Mountains from a specimen collected in the Arfak Mountains. In 2002 David Jones and Mark Clements raised it to species level as Pterostylis arfakensis.
Pterostylis exalla is a plant in the orchid family Orchidaceae and is endemic to South Australia. It was first formally described in 2009 by David Jones and given the name Oligochaetochilus exallus. The description was published in the journal The Victorian Naturalist from a specimen collected on the Wombat Plains in the Southern Lofty region. In 2010, Gary Backhouse changed the name to Pterostylis exalla. The specific epithet (exalla) is derived from the Ancient Greek word exallos meaning "quite different".
Pterostylis frenchii, commonly known as the tuart rufous greenhood, or tuart rustyhood is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. Both flowering and non-flowering plants have a relatively large rosette of leaves. Flowering plants also have up to twelve white and green or white and brown flowers which lean forward and have a small, fleshy, insect-like labellum.
Pterostylis extranea is a plant in the orchid family Orchidaceae and is endemic to Queensland. It was first formally described in 2010 by David Jones and given the name Oligochaetochilus extraneus. The description was published in the journal The Orchadian from a specimen grown in the Australian National Botanic Gardens from a tuber collected near Eungella Dam. In 2010, Jasmine Janes and Marco Duretto changed the name to Pterostylis extranea. The specific epithet (extranea) is a Latin word meaning "strange".
Pterostylis ferruginea, commonly known as the Bangham rustyhood, is a plant in the orchid family Orchidaceae and is endemic to the border area between South Australia and Victoria. It has a rosette of leaves and when flowering, up to ten upright, dark green and translucent white flowers which have an insect-like labellum.
Pterostylis glyphida is a plant in the orchid family Orchidaceae and is endemic to New South Wales. It was first formally described in 2008 by David Jones and given the name Speculantha glyphida. The description was published in the journal The Orchadian from a specimen collected near Tallong. In 2010, Gary Backhouse changed the name to Pterostylis glyphida. The specific epithet (glyphida) is derived from the Ancient Greek word glyphis meaning "penknife".
Pterostylis lepida, commonly known as the Halbury greenhood is a plant in the orchid family Orchidaceae and is endemic to South Australia. Both flowering and non-flowering plants have a rosette of leaves. Flowering plants have up to ten green flowers with brown and translucent striations and a small, insect-like labellum. It is only known from two small populations.
Pterostylis macrosceles, commonly known as the slender rufous greenhood is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. Both flowering and non-flowering plants have a relatively large rosette of leaves. Flowering plants also have between four and eight white flowers with green brown lines and small, insect-like labellum. It is distinguished from other Western Australian greenhoods by the unusually long thread-like tips on its sepals.
Pterostylis macrosepala is a plant in the orchid family Orchidaceae and is endemic to New South Wales where it grows on the central-west slopes. 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 up to eight translucent green flowers with narrow, dark green stripes and up to ten stem leaves.
Pterostylis mirabilis, commonly known as the nodding rufous-hood, is a plant in the orchid family Orchidaceae and is endemic to South Australia. It has a rosette of leaves at its base and up to ten greenish-white flowers with a narrow hood, down-turned lateral sepals and a thin-textured, insect-like labellum.
Pterostylis pearsonii is a plant in the orchid family Orchidaceae and is endemic to Queensland. It was first formally described in 2010 by David Jones and given the name Oligochaetochilus pearsonii. The description was published in the journal The Orchadian from a specimen grown in the Australian National Botanic Gardens from a tuber collected near Eungella Dam. In 2010, Jasmine Janes and Marco Duretto changed the name to Pterostylis pearsonii.
Pterostylis pedina is a plant in the orchid family Orchidaceae and is endemic to New South Wales where in grows on the south-west plains. It was first formally described in 2009 by David Jones and given the name Oligochaetochilus pedinus. The description was published in the journal The Orchadian from a specimen grown in Yass from a material collected near Hay. In 2010, Jasmine Janes and Marco Duretto changed the name to Pterostylis pedina. The specific epithet (pedina) is derived from the Ancient Greek word pedinos meaning "flat" or "level".
Pterostylis perculta, commonly known as the ruddy hood is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. Both flowering and non-flowering plants have a relatively large rosette of leaves and flowering plants have up to five reddish-brown and white flowers with relatively short tips on the sepals.
Pterostylis prasina, commonly known as the mallee leafy greenhood, is a plant in the orchid family Orchidaceae and is endemic to southern continental Australia. Non-flowering have a rosette of leaves on a short stalk, but flowering plants lack the rosette and have up to eight pale green and translucent green flowers with darker green lines. The flowers have a pale green labellum with a darker central line. It is a common and widespread greenhood in parts of Victoria and South Australia.
Pterostylis psammophila, commonly known as the two-bristle greenhood, is a plant in the orchid family Orchidaceae and is endemic to South Australia. Both flowering and non-flowering plants have a rosette of leaves and flowering plants have translucent green and white flowers with an insect-like labellum, but the flowers are only open for a few days.
Pterostylis thulia is a plant in the orchid family Orchidaceae and is endemic to Queensland. It was first formally described in 2010 by David Jones and given the name Oligochaetochilus thulius. The description was published in the journal The Orchadian from a specimen found near Blencoe Falls. In the same year, Jasmine Janes and Marco Duretto changed the name to Pterostylis thulia. The specific epithet (thulia) is derived from the Ancient Greek word Thoule meaning "farthest north".
Pterostylis viriosa, commonly known as the Adelaide Hills banded greenhood, is a plant in the orchid family Orchidaceae and is endemic to South Australia. Flowering plants have up several green flowers with faint white stripes. The flowers have an insect-like labellum which is green with a dark green mound on its upper end. Non-flowering plants have a rosette of leaves on a stalk, but flowering plants lack the rosette, instead having several stem leaves.
Pterostylis exserta, commonly known as the exserted rufous greenhood, is a species of orchid endemic to the south-west of Western Australia. Both flowering and non-flowering plants have a large rosette of leaves flat on the ground and flowering plants have up to seven pale, transparent green and white flowers with brownish lines.
Pterostylis hadra is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It was first formally described in 2015 by David Jones and Christopher French and given the name Oligochaetochilus hadrus. The description was published in the journal Australian Orchid Review from a specimen collected near Cranbrook. In the same year, Jones changed the name to Pterostylis hadra "to allow for the different taxonomic views held at generic level within the subtribe". The specific epithet (hadra) is derived from the Ancient Greek word hadros meaning "stout", "strong" or "great", referring to the robust habit of this species.
