Prasophyllum amoenum, commonly known as the dainty leek orchid or Snug leek orchid, is a species of orchid endemic to Tasmania. It has a single tubular, green leaf with a purplish base and between five and twelve light green, dark brown and white flowers. In 2007, the entire population was estimated to be about 600 plants.
Prasophyllum petilum, commonly known as the Tarengo leek orchid, is a species of orchid endemic to eastern Australia. It has a single tubular, green leaf and up to eighteen pinkish mauve to greenish flowers, well-spaced along a slender flowering stem. It is a small orchid, difficult to locate, generally growing in taller grasses.
Prasophyllum canaliculatum, commonly known as the channelled leek orchid or summer leek orchid, is a species of orchid endemic to a small area of southern New South Wales. It has a single tubular, bright green leaf and up to twenty five scented, greenish-red or brownish flowers on a flowering stem. It grows in woodland at altitudes around 1,000 m (3,000 ft) where only about two hundred plants survive.
Prasophyllum crebriflorum, commonly known as the crowded leek orchid, is a species of orchid endemic to Tasmania. It has a single tubular, dark green leaf with a purplish base and up to twenty five reddish-brown flowers. It is only known from four relatively small populations growing at high altitudes.
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 gilgai, commonly known as the gilgai leek orchid, is a species of orchid endemic to Victoria. It has a single tubular green leaf and up to twenty greenish brown, light brown, pink or white flowers. It is a very rare orchid with a population of fewer than fifty plants in a small area in the north of the state.
Prasophyllum hygrophilum, commonly known as the swamp leek orchid, is a species of orchid endemic to Victoria. It has a single tubular green leaf and up to thirty greenish brown, pink or mauve flowers. It is a rare orchid only known from two populations and is classified as "endangered" in Victoria.
Prasophyllum innubum, commonly known as the Brandy Mary's leek orchid, is a species of orchid endemic to a small region of New South Wales. It has a single tubular, bright green leaf and up to twenty brownish-green, white and purplish flowers. It is a very rare orchid with only about four hundred plants known.
Prasophyllum laxum, commonly known as the lax leek orchid, is a species of orchid endemic to a small region of South Australia. It has a single tubular leaf and up to twenty pale green, tan and lilac-coloured flowers. It was first collected in the 1960s in a location known as the Hundred of Koppio on the Eyre Peninsula but was not described until 2008 from a new collection in 2004.
Prasophyllum limnetes, commonly known as the marsh leek orchid, is a species of orchid endemic to Tasmania. It has a single tubular, green leaf and up to thirty five greenish-white flowers with a pinkish labellum. It is only known from a population of fewer than twenty plants growing in a sanctuary near Port Sorell.
Prasophyllum litorale, commonly known as the coastal leek orchid, is a species of orchid endemic to southern continental Australia. It has a single tubular leaf and up to forty flowers with red and green colouring and grows in sandhills near the sea.
Prasophyllum maccannii, commonly known as the inland leek orchid, is a species of orchid endemic to Victoria. It has a single tubular green leaf and up to forty green, greenish-pink or brownish flowers. It is found in the central-west of the state, growing in open forest.
Prasophyllum milfordense is a species of orchid endemic to Tasmania. It has a single tubular, dark green leaf and up to thirty greenish-brown, white and purplish flowers. It is a very rare orchid, only found in a single location with a population of around 240 plants.
Prasophyllum perangustum, commonly known as the Knocklofty leek orchid, is a species of orchid endemic to Tasmania. It has a single tubular, dark green leaf and up to fifteen greenish or light brown flowers with a white labellum. It is a very rare orchid with only six plants recorded in 1993.
Prasophyllum readii, commonly known as the Streathem leek orchid, is a species of orchid endemic to Victoria. It has a single, tubular leaf and up to twenty five scented, greenish-brown to reddish-brown flowers with a white or pinkish labellum and is only known from a swamp in the south-west of the state.
Prasophyllum spicatum, commonly known as the dense leek orchid, is a species of orchid endemic to southern mainland Australia. It has a single tubular, green leaf and up to fifty brownish and white or greenish and white flowers crowded in a cylinder-shaped spike.
Prasophyllum stellatum, commonly known as the Ben Lomond leek orchid, is a species of orchid endemic to Tasmania. It has a single tubular, dark green leaf and up to twenty greenish-brown to brownish flowers with a white labellum. It is only known from two disjunct populations, at Ben Lomond and near Deloraine.
Prasophyllum tunbridgense, commonly known as the Tunbridge leek orchid, is a species of orchid endemic to Tasmania. It has a single tubular, bright green leaf and up to twenty five relatively large, green to light greenish-brown flowers with white petals and a large white labellum.
Prasophyllum roseum, commonly known as the pink lip leek orchid, is a species of orchid endemic to southern continental Australia. It has a single tube-shaped leaf and up to thirty greenish flowers with a pink labellum. It is a recently described plant, previously included with P. fitzgeraldii, but distinguished from that species by its smaller, less crowded flowers, with more spreading lateral sepals and different labellum callus. It grows in the south-east of South Australia and in western Victoria.
Prasophyllum holzingeri is a species of orchid endemic to New South Wales. It has a single tubular, shiny dark green leaf and up to fifteen unscented, greenish to brownish pink and white flowers. It is only known from a few populations in the Barrington Tops area.
