Charles Austin Gardner

Macrozamia riedlei, commonly known as a zamia or zamia palm, is a species of cycad in the plant family Zamiaceae. It is endemic to southwest Australia and often occurs in jarrah forests. It may only attain a height of half a metre or form an above trunk up to two metres with long arching fronds of a similar length. The giant cones amidst the crown of palm-like fronds contain edible seeds surrounded by red sarcotesta. The seeds are consumed by birds and animals, and can be a favoured part of the human diet when prepared correctly. M. riedlei benefits from a close association with bacteria that

Banksia lullfitzii is a species of shrub that is endemic to the south-west of Western Australia. It has linear leaves with widely-spaced, sharply-pointed teeth on the sides, golden-orange to orange-brown flowers, and later, up to thirty follicles in each head.

Banksia benthamiana is a species of shrub that is endemic to the Southwest of Western Australia. It has hairy, linear leaves, usually with scattered small teeth along the edges, and spikes of orange flowers.

Banksia violacea, commonly known as violet banksia, is a species of shrub or tree in the plant genus Banksia (family Proteaceae). It generally grows as a small shrub to 1.5 m (5 ft) high with fine narrow leaves, and is best known for its unusually coloured dark purple-violet inflorescences. The colour of the inflorescences, short leaves, and flattened follicles which are sticky when young, help identify this species from others in the field. It is found in low shrubland in southern regions of Western Australia from Esperance in the east to Narrogin in the west, growing exclusively in sandy

Banksia pilostylis is a species of shrub that is endemic to the south-west of Western Australia. It has hard, fissured bark, narrow wedge-shaped, serrated leaves, pale yellow flowers in cylindrical spikes and elliptical follicles that open when heated in a bushfire.

Banksia audax is a species of shrub that is endemic to Western Australia. It has fissured, grey bark, woolly stems, hairy, serrated leaves and golden orange flower spikes.

Actinostrobus arenarius is a species of conifer in the cypress family, Cupressaceae. Its common names include sandplain cypress, Bruce cypress, Bruce cypress-pine, and tamin. It is endemic to Western Australia. This species is a shrub or a tree growing up to 5 metres (16 ft) tall. It has spreading branches with small branchlets. The scale-like, gray-green leaves are up to 1.2 centimetres (0.47 in) long and grow in threes. The cylindrical male cones are up to half a centimeter long. The female cones are up to 2 cm (0.79 in) long with pointed scales. They contain winged seeds. Western

Grevillea dielsiana, commonly known as Diels grevillea, is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a spreading shrub with divided leaves, the end lobes linear and tapering, and groups of red or orange flowers, often with streaks of pink or cream.

Grevillea candelabroides is a species of flowering plant in the family Proteaceae and is endemic to the west of Western Australia. It is a shrub with pinnately-divided leaves with linear lobes, and white or cream-coloured flowers.

Cycas lane-poolei is a species of cycad. It was first recognised in 1923 by Charles A. Gardner, the Western Australian government botanist, after a 1921 expedition to the Kimberley region. It is named after Charles Lane Poole.

Macrozamia dyeri, known as djeeri, is a species of plant in the family Zamiaceae. It is endemic to Western Australia, occurring near Esperance. The seeds are consumable when prepared correctly and were an important resource to people of the region, but the plant is otherwise toxic to many species.

Hakea bucculenta, commonly known as red pokers, is a large shrub in the family Proteaceae endemic to Western Australia. It is an ornamental shrub with red or orange flowers that appear in rod-like blooms in leaf axils for an extended period from May to November.

Grevillea globosa is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a spreading shrub with deeply divided leaves that have three to nine linear lobes, and dense, spherical clusters of pale green, creamy-green and reddish-brown flowers.

Eucalyptus megacornuta, also known as warted yate or warty yate, is a species of Eucalyptus that is endemic to the south-west of Western Australia.

Eucalyptus coronata, commonly known as the crowned mallee, is a species of mallee that is endemic to a small part of the south coast of Western Australia. It has smooth bark on the trunk and branches, lance-shaped to curved adult leaves, flower buds with pronounced ribs, arranged in groups of three in leaf axils, white to cream-coloured or yellow flowers and conical, prominently ribbed fruit.

Eucalyptus brockwayi, commonly known as Dundas mahogany, is a tree that is endemic to Western Australia. It has smooth, shiny bark on the trunk and branches, glossy green, linear to narrow lance-shaped adult leaves, flower buds arranged in groups of between eleven and fifteen, white flowers and spherical fruit with a narrow neck.

Cycas basaltica is a species of cycad in the genus Cycas, native to Australia, in the far north of Western Australia in the Kimberley region.

Banksia laricina, commonly known as the rose banksia, is a species of shrub that is endemic to southwestern Western Australia. It has crowded, linear leaves with a short point on the tip, golden brown flowers with a bright yellow style and prominent egg-shaped follicles.

Acacia yorkrakinensis, also known as soft-leaf wodjil, is a shrub belonging to the genus Acacia and the subgenus Juliflorae that is native to Western Australia.

Verticordia staminosa is a flowering plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It is a shrub comprising two subspecies, one of which has two varieties. All three types have a limited distribution and have been classified as "Threatened". It is distinguished from other species of verticordia by its prominent, long stamens which extend well beyond its feathery yellow sepals and petals.

Roycea is a genus of plants formerly in the family Chenopodiaceae, and now in the Amaranthaceae. The genus was first described in 1948 by Charles Austin Gardner, and the genus name honours Robert Dunlop Royce (a helper at the Perth Herbarium). The entire genus is endemic to Western Australia. There are no synonyms.

Mirbelia viminalis is a species of flowering plant in the family Fabaceae and is endemic to northern Australia. It is an erect to spreading, spiny, leafless shrub with yellow flowers.

Mirbelia ramulosa is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is an erect, much-branched, spiny, leafless shrub with yellow and red, purple or brown flowers.

Grevillea tenuiloba, commonly known as amber grevillea, is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a low, spreading shrub with pinnatipartite leaves with 5 to 11 linear to cylindrical lobes, and clusters of orange flowers often borne close to the ground.

Grevillea nana, commonly known as dwarf grevillea, is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a prostrate to low, mounded, dense shrub with divided leaves with sharply-pointed, linear lobes, and clusters of pink, orange, yellow or red flowers.

Grevillea candicans is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a bushy shrub with pinnately-divided leaves with sharply-pointed linear lobes, and cream-coloured flowers.

Eucalyptus stoatei, commonly known as scarlet pear gum or Stoate's mallee, is a tree that is native to a small area along the south coast of Western Australia.

Eucalyptus steedmanii, commonly known as Steedman's gum or Steedman's mallet, is a species of mallet that is endemic to a small region of Western Australia. It has smooth, satiny bark, narrow elliptical leaves, flower buds in groups of three, white flowers and conical, four-winged fruit.

Eucalyptus staeri, commonly known as Albany blackbutt, is a species of small tree or a mallee and is endemic to the south-west corner of Western Australia. It has rough bark on the trunk and branches, thick, lance-shaped adult leaves, flowers buds in groups of between seven and fifteen, creamy white flowers and shortened spherical fruit.

Eucalyptus jucunda, commonly known as Yuna mallee, is a species of mallee or small tree that is endemic to Western Australia. It has smooth bark, lance-shaped to curved adult leaves, flowering buds in groups of seven or nine, white or cream-coloured flowers and barrel-shaped or shortened spherical fruit with an unusually narrow opening.