Matthew David Barrett

Grevillea microstyla is a species of flowering plant in the family Proteaceae and is endemic to the Kimberley region of Western Australia. It is a small shrub with divided or toothed leaves with dense clusters of crimson flowers that have a dull orange style.

Grevillea maherae is a species of flowering plant in the family Proteaceae and is endemic to the Kimberley region of Western Australia. It is a densely-branched shrub with divided leaves with sharply pointed lobes, and clusters of pinkish red to maroon flowers with a red style.

Typhonium peltandroides is a species of plant in the arum family that is endemic to Australia.

Calytrix gomphrenoides is a species of flowering plant in the myrtle family Myrtaceae and is endemic to the Kimberley region of Western Australia. It is a glabrous, multi-stemmed shrub with linear leaves and white flowers turning pink as they age, with 16 to 18 stamens in a single row.

Acacia anserina, also known as hairy sandstone wattle, is a species of flowering plant in the family Fabaceae and is endemic to a small area in the Kimberley region of Western Australia. It is an erect, openly-branched shrub with its branchlets densely covered with soft hairs, widely elliptic to widely egg-shaped phyllodes with the narrower end towards the base, spherical heads of 17 to 25 light golden flowers, and narrowly oblong pods up to 4–5 mm (0.16–0.20 in) wide.

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Goodenia psammophila is a species of flowering plant in the family Goodeniaceae and endemic to the Kimberley region of Western Australia. It is a prostrate or erect annual herb with narrow lance-shaped to egg-shaped leaves with the narrower end towards the base, and racemes of yellow flowers with brownish or whitish lobes.

Backhousia gundarara is a tree in the family Myrtaceae. The only known population occurs in the Kimberley region in Western Australia.

Acacia anastomosa, also known as Carson River wattle, is a species of flowering plant in the family Fabaceae and is endemic to northern Western Australia. It is a spindly, straggly shrub with many stems, narrowly elliptic phyllodes, 1 or 2 heads of densely flowered spikes in axils, and narrowly oblong pods.

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Lechenaultia mimica is a species of flowering plant in the family Goodeniaceae and is endemic to the Kimberley region of Western Australia. It was first formally described in 2015 by Matthew David Barrett and Russell Lindsay Barrett in Australian Systematic Botany from material they collected in 2008. The specific epithet (mimica) means "imitating", referring to the similar Lindernia hypandra with which it grows. The species is only known from the Northern Kimberley region of north-western Western Australia. This lechenaultia is listed as "Priority One" by the Government of Western Australia

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Fimbristylis helicophylla, commonly known as twisted leaf fimbristylis, is a sedge of the family Cyperaceae that is native a small area in the Kimberley region of Western Australia.

Centrolepis milleri is a species of plant in the Restionaceae family and is found in Western Australia. The annual herb is found in two small areas in Wheatbelt near Dandaragan and in the Great Southern near Albany.

Boronia thedae, commonly known as the Theda boronia, is a plant in the citrus family, Rutaceae and is endemic to a small area in the Kimberley region of Western Australia. It is an erect shrub when young, later a prostrate shrub with many branches, pinnate leaves, four white to cream-coloured or pale pink sepals and four similarly coloured petals, the sepals longer and wider than the petals.

Boronia interrex, commonly known as the Regent River boronia, is a plant in the citrus family, Rutaceae and is endemic to a small area in the Kimberley region of Western Australia. It is an erect, sometimes low-lying shrub with pinnate leaves, cream-coloured to pale pink sepals and pink petals, the sepals longer and wider than the petals.

Boronia cremnophila, commonly known as the Kimberley cliff boronia, is a plant in the citrus family, Rutaceae and is endemic to a small area in the Kimberley region of Western Australia. It is an erect or spreading shrub with both simple, and trifoliate leaves, and white sepals and petals, the sepals larger than the petals.

Acacia synantha, also known as sandstone synchronous wattle, is a tree or shrub belonging to the genus Acacia and the subgenus Juliflorae. It is native to a small area in the Kimberley region of Western Australia.

Acacia prolata is a shrub belonging to the genus Acacia and the subgenus Lycopodiifoliae. It is native to an area in the Kimberley region of Western Australia.

Acacia phacelia, also known as the Kimberley cluster wattle, is a shrub belonging to the genus Acacia and the subgenus Juliflorae that is endemic to a small area in north western Australia.

Acacia perpusilla, commonly known as the King Edward River wattle, is a shrub of the genus Acacia and the subgenus Plurinerves that is endemic to a small area of north western Australia.

Acacia orthotropica, commonly known as Mount Trafalgar wattle, is a shrub of the genus Acacia and the subgenus Plurinerves that is endemic to north western Australia.

Acacia obtriangularis, also commonly knowns as Lawley River wattle, is a shrub of the genus Acacia and the subgenus Plurinerves that is endemic to a small area of north western Australia.

Acacia dimorpha, commonly known as Artesian Range whorled wattle, is a species of flowering plant in the family Fabaceae and is endemic northern Western Australia. It is an erect shrub with branchlets covered with short, white hairs, whorls of linear phyllodes of two different forms with stipules at the base, heads of yellow flowers and narrowly oblong, thinly leathery pods.

Acacia diastemata, also known as the sandstone pavement wattle, is a species of flowering plant in the family Fabaceae and is endemic to the Kimberley region of Western Australia. It is an erect shrub or small tree with erect, narrowly linear phyllodes, spikes of light golden yellow flowers and narrowly linear, thinly leathery to crust-like pods.

Acacia cyclocarpa, commonly known as ring-pod minni-ritchi, is a species of flowering plant in the family Fabaceae and is endemic to the Kimberley region of Western Australia. It is a sprawling, low-lying to semi-erect shrub with narrowly linear phyllodes with a small point on the end, oblong to short-cylindrical of light golden yellow flowers and leathery, strongly curved pods, forming an open circle or coil.

Acacia claviseta, also known as the club-tipped whorled wattle, is a species of flowering plant in the family Fabaceae and is endemic to north-western Australia. It is an erect, slightly sticky shrub with many branches, linear phyllodes in whorls of 9 to 16, heads of golden yellow flowers, and oblong to narrowly oblong pods.

Acacia camptocarpa, commonly known as Ragged Range wattle, is a species of flowering plant in the family Fabaceae and is endemic to the north of Western Australia. It is a subshrub with a lignotuber at its base and many stems, narrowly elliptic, leathery phyllodes, spikes of golden yellow flowers, and oblong to narrowly oblong, thinly leathery to papery, curved pods up to 80 mm (3.1 in) long.

Verticordia elizabethiae, commmonly known as Elizabeth's featherflower, is a species of flowering plant in the family Myrtaceae, and is endemic to the south-west of Western Australia. It is a low-growing shrub with egg-shaped leaves, the narrower end towards the base, and bright pink to purplish pink flowers and grows on the edges of salt lakes.

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