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 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 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 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 candidum, commonly known as the Kiandra leek orchid, is a species of orchid endemic to eastern Australia. It has a single tubular, yellowish-green leaf and up to forty scented, bright white to greenish flowers. It grows in subalpine areas at altitudes above 1,000 m (3,000 ft) in New South Wales and Victoria although in the latter state it is considered to be a form of P. odoratum.
Prasophyllum caudiculum, commonly known as the Guyra leek orchid, is a species of orchid endemic to a small area of northern New South Wales. It has a single tubular, bright green leaf and up to thirty five greenish to reddish-brown flowers crowded along an erect flowering stem. It grows in grassy places near Guyra.
Prasophyllum dossenum is a species of orchid endemic to a small area of northern New South Wales. It has a single tubular, dark green leaf and up to thirty scented pinkish-white and greenish-brown flowers crowded along an erect flowering stem. It is a rare orchid which grows in grassy places on the Northern Tablelands of New South Wales.
Prasophyllum fecundum, commonly known as the self-pollinating leek orchid, is a species of orchid endemic to South Australia. It has a single, smooth, tube-shaped leaf with a reddish or purplish base, and up to twelve relatively small green and purplish flowers. The flowers are short-lived and self-pollinating although attractive to insects.
Prasophyllum incompositum is a species of orchid endemic to Queensland. It has a single tubular, dark green leaf and up to thirty scented, greenish-brown and white flowers. It has only been recorded from the Carnarvon National Park.
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 occultans, commonly known as the hidden leek orchid, is a species of orchid endemic to southern Australia. It has a single, smooth, tube-shaped leaf with a reddish-purple base and up to ten greenish flowers. It is a rare species found only in a few locations in South Australia and in far western Victoria.
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 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 truncatum, commonly known as the truncate leek orchid, is a species of orchid endemic to Tasmania. It has a single tubular, dark green leaf and up to twenty whitish flowers with purplish and greenish-brown markings. It is a late-flowering leek orchid and its flowering is stimulated by earlier fire.
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.
Prasophyllum stygium, commonly known as the elfin leek orchid, is a species of orchid endemic to Victoria. It has a single tube-shaped leaf and up to twenty greenish-brown flowers with a white labellum. It is a recently described plant, previously included with P. fitzgeraldii, but distinguished from that species by its greenish-brown flowers with their white labellum and narrower brown callus. It is only known from a single population of about thirty plants.
Prasophyllum collinum is a species of orchid endemic to South Australia. It has a single tubular leaf and up to thirty lemon-scented, greenish brown and white flowers. It is only known from the Eyre Peninsula where it grows in sparse woodland.
Prasophyllum basalticum is a species of orchid endemic to New South Wales. It has a single tubular, dark green leaf and up to fifteen scented, greenish-brown to brownish-red flowers with a white and green labellum. It grows in grassy woodland on the Northern Tablelands.
