WCaladenia × cala, commonly known as the wheatbelt 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 one or two red and white or greenish flowers. A natural hybrid between C.falcata and C. longicauda, it is found between Wongan Hills and Ravensthorpe.
WCaladenia × triangularis, commonly known as the shy 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 pale yellow flowers. A natural hybrid between flava and C. longicauda, it is a rare species found between Perth and Esperance.
WCattlianthe Jewel Box is a hybrid cross of the Cattlianthe orchid nothogenus, registered in 1962. The parents of the cross are Guarianthe aurantiaca and Cattleya Anzac.
WThe term grex, derived from the Latin noun grex, gregis, meaning 'flock', has been expanded in botanical nomenclature to describe hybrids of orchids, based solely on their parentage. Grex names are one of the three categories of plant names governed by the International Code of Nomenclature for Cultivated Plants; within a grex the cultivar group category can be used to refer to plants by their shared characteristics, and individual orchid plants can be selected and named as cultivars.
WGymnadenia × chanousiana, common name Chanous' gymnadenia, is a natural hybrid between Gymnadenia conopsea and Nigritella rhellicani.
WLepanthes × stenosepala is a species of orchid native to Central America.
WPhragmipedium richteri is a natural hybrid of orchid endemic to Peru.