Leptoceras menziesii, commonly known as rabbit orchid, is a plant in the orchid family, Orchidaceae and the only member of the genus Leptoceras. It is a slender plant, usually found in large colonies and which only flowers after fire. The flowers are small, white, pink and red on a stem up to 30 cm (10 in) tall and is endemic to southern Australia. It was one of the first orchids from Western Australia to be described and was given the name Caladenia menziesii, a name still used by some authorities.
Thelymitra crinita, commonly known as the blue lady orchid, queen orchid or lily orchid, is a species of orchid which is endemic to the south-west of Western Australia. It has a single broad, oval leaf and up to fifteen brilliant blue flowers with a blue column with the lobe on top of the anther covered with short, finger-like calli.
Caladenia marginata, commonly known as the white fairy orchid, is a species of orchid endemic to the south-west of Western Australia. It has a single pale green, hairy leaf and up to four creamy-white flowers and often grows in dense colonies, flowering profusely after summer fires.
Diuris carinata, commonly known as the tall bee orchid, is a species of orchid that is endemic to the south-west of Western Australia. It has between four and six leaves and up to seven large, bright yellow flowers with reddish-brown markings.
Pterostylis barbata, commonly known as the western bearded greenhood or bird orchid is a species of orchid endemic to the south-west of Western Australia. Flowering plants have a rosette of leaves at the base of the plant and a single translucent white flower with dark green veins on a flowering stem with up to 20 stem leaves. It is one of a number of bearded orchids, some of which have yet to be formally described, all of which have a distinctive feather-like labellum.
Lyperanthus, commonly known as beak orchids, is a genus of flowering plants from the orchid family, Orchidaceae, that is endemic to Australia. There are two species, one in Western Australia and the other in four eastern Australian states, distinguished by their single long, narrow, leathery leaf and dull coloured flowers which have prominent short calli on their labellum. Both form loose colonies which reproduce asexually from their tubers, and sexually using their flowers.
Spiculaea is a genus of plants defined by a single species, Spiculaea ciliata, commonly known as elbow orchid, and allied to the family Orchidaceae. Endemic to the south-west of Western Australia, the species is unusual in a number of respects; it grows in shallow soil on granite rock outcrops, grows and flowers in the hottest months of the year and has a unique method of using thynnid wasps as pollinators.
Praecoxanthus aphyllus, commonly known as leafless orchid, is the only species of the flowering plant genus Praecoxanthus in the orchid family, Orchidaceae and is endemic to the south-west of Western Australia. Plants in flower lack a true leaf, although those plants that are not flowering do possess a green leaf. This species is one of the first orchids to flower each year and its creamy white, fragrant flower easily distinguishes it from other species.
Thelymitra villosa, commonly called the custard orchid is a species of orchid which is endemic to Western Australia. It has a single erect, hairy leaf and up to twenty yellow flowers with reddish-brown markings.
Caladenia discoidea, commonly known as the dancing spider orchid, antelope orchid or bee orchid is a species of orchid endemic to the south-west of Western Australia. It is distinguished by its horizontally arranged flowers and unusually short sepals and petals.
Caladenia corynephora, commonly known as the club-lipped spider orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It has a single erect, hairy leaf and one or two greenish-yellow and red flowers which have a labellum with a club-like tip. It is the only Western Australian caladenia with a clubbed labellum.
Caladenia longicauda subsp. crassa, commonly known as the Esperance white spider orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It has a single hairy leaf and up to three mostly white flowers with long, broad, spreading lateral sepals and petals, a relatively broad labellum with short, narrow teeth. It grows on the south coast between Bremer Bay and the Cape Arid National Park.
Caladenia longicauda subsp. eminens, commonly known as the stark white spider orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It has a single hairy leaf and up to three large, bright white flowers with long, broad, spreading lateral sepals and petals, a relatively broad labellum with short, narrow teeth. It is a relatively common orchid found in a broad band, mainly between Tenterden and Jerramungup.
Caladenia reptans subsp. reptans, commonly known as the little pink fairy or dwarf pink fairy, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It has a single hairy leaf and up to three relatively small, pink flowers which have a labellum with three distinct lobes.
Cyanicula gemmata, commonly known as the blue china orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It has a small, oval leaf and up to three intense blue to mauve flowers. It is the most common and widespread of the West Australian china orchids, sometimes appearing in large numbers after summer fires.
Cyanicula ixioides, commonly known as the white china orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It has a single, broad, flattened leaf and up to three yellow or white flowers. It mostly only occurs in woodlands and forest near Perth.
Cyanicula sericea, commonly known as the silky blue orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It is a common orchid in the high rainfall areas of the state and has a single, broad, silky leaf and up to four blue-mauve flowers.
Caleana nigrita, commonly known as the small duck orchid or flying duck orchid is a species of orchid endemic to the south-west of Western Australia. It is the most common of the flying duck orchids and has the widest distribution of the Western Australian species. It has a single smooth leaf and is distinguished from the others by its labellum which has a hump in the middle and calli covering two thirds of its outer end. Its dull colouration makes it difficult to find, especially in areas that are blackened by fire.
Microtis atrata, commonly known as the swamp mignonette orchid or yellow onion orchid and sometimes as Microtidium atratum, is a species of orchid endemic to southern Australia. It has a single thin leaf and up to forty or more yellowish-green flowers. The flowers are the smallest of any Australian ground-dwelling orchid. The orchid usually grows in large colonies after fire and although small, are easily seen because of their very large numbers in their blackened surroundings.
Corybas limpidus, commonly known as the crystal helmet orchid, is a species of terrestrial orchid endemic to Western Australia. It has round or heart-shaped leaf and a translucent greenish flower with dark red or burgundy-coloured spots and blotches. The edges of the labellum have a few short, blunt teeth.
