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.
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 montanum, commonly known as the mountain leek orchid, is a species of orchid endemic to eastern Australia. It has a single tubular, green leaf and up to fifty scented, greenish to pinkish flowers. It grows in montane ecosystems at altitudes above 1,500 m (5,000 ft).
Prasophyllum campestre, commonly known as the sandplain leek orchid, or inland leek orchid, is a species of orchid endemic to eastern Australia. It has a single tubular, yellowish-green leaf and up to twenty greenish, strongly scented flowers with red, purplish, brown or white marks. It grows in the drier parts of Queensland, New South Wales and Victoria.
Prasophyllum lindleyanum, commonly known as the green leek orchid, is a species of orchid endemic to south-eastern Australia. It has a single smooth, tube-shaped leaf and up to twenty scented, greenish flowers with a greenish or white labellum with a pink tinge.
Prasophyllum wilkinsoniorum is a species of orchid endemic to New South Wales. It has a single tubular, bright green leaf and up to forty five scented, dark greenish-brown to brownish-red flowers with a green to pinkish labellum. It grows in grassy places in a restricted area on the Southern Tablelands.
Prasophyllum erythrocommum, commonly known as the tan leek orchid, is a species of orchid endemic to Victoria. It has a single tubular green leaf and up to thirty small, greenish-brown to dark brown flowers. It is a very rare orchid, only known from a single small area north of Melbourne.
Prasophyllum fosteri, commonly known as the Shelford leek orchid, is a species of orchid endemic to a small region of Victoria. It has a single tubular green leaf and up to twenty five green to reddish-brown flowers. It is a very rare orchid, only known from a single population on a roadside.
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 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 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 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 rostratum, commonly known as the slaty leek orchid, is a species of orchid endemic to Tasmania. It has a single tubular leaf and up to twenty five well-spaced, greenish-brown flowers. It is similar to P. pyriforme from mainland Australia but lacks that species' white to pinkish labellum.
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 viretrum is a species of orchid endemic to Victoria. It has a single tubular, dark green leaf and up to thirty five scented, greenish-brown to brownish flowers and is only known from a few small populations in south-western Victoria.
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 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.
