Prasophyllum alpestre, commonly known as the mauve leek orchid, is a species of orchid endemic to eastern Australia. It has a single tubular, green leaf and up to twenty five scented, white, purplish and green flowers. It grows in subalpine parts of New South Wales, Victoria and Tasmania.
Prasophyllum sphacelatum, commonly known as the subalpine leek orchid, is a species of orchid endemic to south-eastern Australia. It has a single tubular, dull green leaf and up to eighteen scented, green to brownish flowers with a green to pinkish labellum. It grows in subalpine areas of New South Wales, Victoria and Tasmania.
Prasophyllum apoxychilum, commonly known as the tapered leek orchid, is a species of orchid endemic to Tasmania. It has a single tubular, green leaf with a purplish base and up to twenty light green and whitish flowers. It is very similar to P. truncatum, and there is some doubt as to whether the two species are distinct. The species is known from twenty widely separated populations and is usually only seen in disturbed sites, such as after fire.
Prasophyllum castaneum, commonly known as the chestnut leek orchid, is a species of orchid endemic to Tasmania. It has a single tubular, dark green leaf with a dark purplish base and between ten and twenty chestnut coloured to dark brown flowers. In 2000, the entire population was estimated to be about fifty plants.
Prasophyllum concinnum, commonly known as the trim leek orchid, is a species of orchid endemic to Tasmania. It has a single tubular leaf and green or yellowish-green flowers with brown markings. It was not seen after 1947, presumed to have gone extinct and listed as "rare" under the Tasmanian Government Threatened Species Protection Act 1995 but was rediscovered in 1992. Flowering of this orchid is dramatically stimulated by summer fires and the species is now known to be widespread in the state and has been removed from the Act.
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 favonium, commonly known as the western leek orchid, is a species of orchid endemic to Tasmania. It has a single tubular leaf with a reddish base and between five and fifteen brownish flowers with a dark purple labellum. In 2000, the entire population was estimated to be less than forty mature plants in a very small area.
Prasophyllum incorrectum, commonly known as the golfer's leek orchid, is a species of orchid endemic to Tasmania. It has a single tubular, dark green leaf and up to twenty scented, yellowish-green and reddish-brown flowers. The largest population occurs on a golf course.
Prasophyllum incurvum is a species of orchid endemic to Tasmania. It has a single tubular, bright green leaf and up to forty brownish-green, white and purplish flowers. It is similar to P. alpestre but has larger flowers and petals which curve forwards.
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 olidum, commonly known as the pungent leek orchid is a species of orchid endemic to Tasmania. It has a single tubular, green to yellowish-green leaf and up to thirty bright green to brownish-green flowers. It is a very rare orchid, only found in a single location with a population which fluctuates from three to two hundred flowering 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 pulchellum, commonly known as the pretty leek orchid, is a species of orchid endemic to Tasmania. It has a single tubular, green leaf and up to twelve light reddish-brown flowers with a cream-coloured to whitish labellum. It is widely distributed in Tasmania and only about 130 plants are known but it is difficult to locate in the low heath where it grows and more individuals may survive.
Prasophyllum robustum, commonly known as the robust leek orchid, is a species of orchid endemic to Tasmania. It has a single tubular, green leaf and up to thirty greenish-brown flowers with a white labellum. It is only known from a single population of about fifty plants, its numbers having been reduced by land clearing.
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 taphanyx, commonly known as the graveside leek orchid, is a species of orchid endemic to a small area of Tasmania. It has a single tubular, green leaf and up to twenty five small, light green, pinkish-cream and purplish flowers. It rarely flowers and the largest number of flowers seen in any one year was three in 2001.
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 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 atratum, commonly known as the Three Humock leek orchid, is a species of orchid endemic to Tasmania. It has a single tubular, dark green leaf and up to twenty five brownish- to purplish-green flowers with a dark purplish labellum. It is only known from a single population of fewer than one thousand plants growing on Three Hummock Island.
