Gordon P. Guymer

Lithomyrtus retusa is a member of the family Myrtaceae native to Western Australia, the Northern Territory, and Queensland. It was first described in 1834 by Stephan Endlicher as Fenzlia retusa, but in 1999 it was assigned to the genus, Lithomyrtus, to give its currently accepted name, by Neil Snow and Gordon Guymer. The small tree or shrub typically grows to a height of 1 to 5 metres (3 to 16 ft). It blooms between January and December producing white-pink flowers. It is found in gullies, escarpments and streambanks in the Kimberley region of Western Australia where it grows in skeletal

Lithomyrtus obtusa, commonly known as beach myrtella, is a flowering plant species in the myrtle family, Myrtaceae. It occurs in coastal areas in New Guinea and Queensland, Australia. It is a shrub that grows to between 1 and 2 metres high. Leaves have recurved edges and are hairy on the underside. Pink flowers appear between January and September in the species' native range. These are followed by globose to cylindrical fruit with a persistent calyx. In 1770, plant material was collected at Cape Grafton, Endeavour River and Point Lookout (14°49′S 145°13′E) (not to be confused with Point

Gossia bidwillii, known as the python tree is a rainforest myrtle of eastern Australia. The usual habitat is the drier rainforest areas. The range of natural distribution is from the Hunter River (32° S) in New South Wales to Coen (13° S) in far northern Queensland. Other common names include lignum-vitae, scrub ironwood and smooth-barked ironwood.

Uromyrtus lamingtonensis is a rare Australian shrub growing around the state border of New South Wales and Queensland. Like the Peach Myrtle, it has attractive pink flowers. It differs from other Australian members of the genus by the somewhat rounded leaf base. Also the leaf tip has either a sharp firm point, or a sharp flexible tip. The petals are relatively long.

Gossia fragrantissima, the sweet myrtle or small-leaved myrtle, is a shrub or small tree of eastern Australia. A plant with a ROTAP rating of 3EC-, endangered by extinction. It is found in sub-tropical rainforests near streams, from near Woodburn, New South Wales to Nambour in southeastern Queensland. It features fragrant flowers, hence the specific epithet fragrantissima. White flowers grow from October to February. The sweet myrtle may grow to seven metres tall. Bark is rough, fawn brown in colour, often flaking off in small particles. The berry matures in January and February, globular in

Gossia floribunda or Cape ironwood species of plant in the Myrtaceae family. It is a understorey plant growing to a height of 1 to 6 m (3 ft 3 in to 19 ft 8 in). Found in Cape York Peninsula Australia and also in New Guinea. Small white flowers form in abundance. The species was first described as Backhousia floribunda in 1984 by Andrew John Scott. In 2003 Neil Snow, Gordon Guymer and G. Sawvel re-assigned to the genus, Gossia, to give its currently accepted name, Gossia floribunda.

Gossia acmenoides, known as the scrub ironwood, is a rainforest tree of the family Myrtaceae, native to eastern Australia. The usual habitat of this small tree is drier rainforest areas. The range of natural distribution is from Jamberoo in New South Wales to Eungella National Park in northern Queensland. The generic name Gossia refers to the former premier of Queensland, Wayne Goss, who was a champion of conservation. The specific epithet acmenoides means that this type of tree resembles plants of the genus Acmena (many of which have been transferred to the genus Syzygium). The leaves of

Gossia is a genus of rainforest trees in the myrtle family first described as a genus in 2003 by Neil Snow and Gordon Guymer. It is native to northeastern Australia (Queensland and New South Wales) as well as several islands of Papuasia and New Caledonia.

Elaeocarpus williamsianus, commonly known as hairy quandong, is a species of flowering plant in the family Elaeocarpaceae. It is endemic to a restricted area of north-eastern New South Wales, Australia. It is a small tree with lance-shaped leaves, racemes of greenish-white flowers and spherical blue fruit.

Austromyrtus glabra is a species of plant in the Myrtaceae family that is native to south-east Queensland. Austromyrtus glabra grows to a height of 1 m (3 ft 3 in). Leaves are opposite, aromatic when crushed, 10 to 20 mm (0.39 to 0.79 in) long and do not have hairs on the underside of the leaf unlike the related A. dulcis. It has white flowers that measure about 10 mm (0.39 in) in size and appear in spring and summer. The berry is 10 mm (0.39 in) in size and are edible. It can be found growing in eucalypt forests and on rocky soils.

Rhodomyrtus pervagata, commonly known as ironwood or rusty rhodomyrtus, is a species of plants in the clove and eucalyptus family Myrtaceae, found only in northeastern Queensland, Australia. It is a shrub or small tree to 8 m (26 ft) high and a trunk diameter up to 14 cm (5.5 in), with simple 3-veined leaves and very small flowers up to 3.5 mm (0.14 in) diameter. It grows in and on the margins of coastal and sub-coastal rainforest, from the Windsor Tablelands south to the Paluma Range National Park. It prefers soils derived from granite or basalt. The species epithet pervagata means 'common'

Rhodamnia whiteana, known as the cliff malletwood or White's malletwood is a sub-tropical rainforest plant of eastern Australia. It was first formally described in 1986 by Gordon Guymer and Laurence Jessup from a specimen collected from Mount Cordeaux. It is named in honour of the botanist C.T.White. The Generic name Rhodamnia is derived from the Greek Rhodon which means "rose". And aminon, "bowl" where the blood of lambs was poured after sacrifice. It refers to the bowl shaped calyx tubes. Cliff malletwood occurs on the edge of sub tropical rainforest or dry rainforest. Often associated with

Lenwebbia is a genus of shrubs or small trees in the myrtle family Myrtaceae. The type species is Lenwebbia lasioclada. The genus is named to honour the Australian plant ecologist Dr. Leonard Webb. The genus occurs in mesic forests along or near the east coast of Australia, from northern New South Wales to northeastern Queensland. Both species in the genus were formerly classified in the genus Austromyrtus. Lenwebbia is distinct from Austromyrtus and Gossia in having four petals rather than five. Anatomical and genetic analyses have placed Lenwebbia as the sister genus to Lophomyrtus from New

Gossia pubiflora is a species of plant in the family Myrtaceae that is endemic to coastal central east Queensland. It is a shrub or small tree that grows to a height of 1 to 6 m (3 ft 3 in to 19 ft 8 in) tall.

Fontainea venosa, also commonly known as southern blushwood, veiny fontainea, Queensland fontainea and formerly named as Bahrs scrub fontainea is a rare rainforest shrub or tree of the family Euphorbiaceae. It is found in southeastern Queensland, Australia, extending from Boyne Valley to Cedar Creek and is considered vulnerable due to several contributing threats (fire, urban development, and weed infestation). The total population size is around 200 plants. Studies regarding genetic variability within Fontainea species through RAPD analysis had shown that F. venosa represents the most

Fontainea rostrata, commonly known as Deep Creek fontainea, is a rainforest tree or shrub endemic to Queensland in Australia. It is listed as "vulnerable" under the Commonwealth Environment Protection and Biodiversity Conservation Act 1999. The species was formally described in 1985 based on plant material collected to the north of Gympie, Queensland.

Fontainea oraria is a rare rainforest plant growing near the sea on private property near Lennox Head, New South Wales, Australia. The common name is coast fontainea. A survey in 2005 found there are only ten mature plants, and 45 seedlings or juveniles. Fontainea oraria is listed as critically endangered by extinction.

Fontainea australis is a rare rainforest plant from eastern Australia. The common name is southern fontainea.

Corynocarpus rupestris, commonly known as the Glenugie karaka, is a species of tree in the family Corynocarpaceae. It is endemic to the eastern coast of Australia, in the states of New South Wales and Queensland. It reaches 12 metres (40 feet) in height. C. rupestris was first described the Australian botanist Gordon P. Guymer in 1984 in the Flora of Australia. He designated two subspecies, subsp. rupestris and subsp. arborescens. It gets its specific epithet, rupestris, from Latin translating to 'rock-dwelling', which is in reference to its habitat.

Brachychiton viscidulus is a plant in the Malvaceae family, native to Western Australia. It was first described by William Vincent Fitzgerald in 1906 as Sterculia viscidula, but was transferred to the Brachychiton genus in 1989 by Gordon P. Guymer to become Brachychiton viscidulus. B. viscidulus is a tree with pink-red to orange flowers which grows to heights of 2m to 8m, which flowers from April to January. It grows on clays, on skeletal soils over many different types of rocks, and is found on rocky slopes, gorges scarps.

Brachychiton muellerianus is a species of Brachychiton found in Queensland, Australia.

Brachychiton megaphyllus, commonly known as the red-flowering kurrajong, is a tree of the genus Brachychiton found in northern Australia. It was described in 1988 by Gordon Guymer in his revision of the genus, previously having been considered a variant of Brachychiton paradoxus. Hybrids with Brachychiton multicaulis have been reported.

Brachychiton grandiflorus is a tree of the genus Brachychiton native to the Cape York Peninsula in Queensland, Australia. It was first described in 1988 by Gordon Guymer.

Brachychiton garrawayae is a small tree in the genus Brachychiton found on the Cape York peninsula. The species was first described by Frederick Manson Bailey in 1899 as Sterculia garrawayae, but was transferred to the genus, Brachychiton, in 1989 by Gordon Guymer.

Brachychiton compactus is a tree of the genus Brachychiton found in northeastern Australia. It has a very restricted distribution on the central coast of Queensland near Proserpine, and also occurs in a fragmented araucarian vine thicket on Hayman Island.

Brachychiton collinus, the outcrop kurrajong, is a small deciduous tree found growing in some of the harshest climatic conditions in Australia. This small tree is commonly found between Cloncurry and Mount Isa in North-West Queensland, Australia. The North-West savannah zone of Queensland is characterised by very high summer temperatures of up to 50°C and an unpredictable monsoonal rainfall that may deliver the whole annual rainfall of some 50 cm overnight. This tree most often grows on rocky outcrops where little other scrub, grasses or other understory plants can survive. It is probable

Bertya opponens is a species of flowering plant in the family Euphorbiaceae and is endemic to eastern Australia. It is a slender shrub or small tree with oblong to lance-shaped or narrowly elliptic leaves arranged in opposite pairs, separate male and female flowers, and oval to spherical capsules densely covered with shaggy hairs.

Gossia gonoclada, known as the square-stemmed or angle-stemmed myrtle for the distinctive four raised corners on the angled branchlets, is a rainforest tree of the family Myrtaceae, native to south-east Queensland, Australia. It is an endangered species.

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Elaeocarpus linsmithii is a species of flowering plant in the family Elaeocarpaceae and is endemic to north-east Queensland. It is a shrub with oblong to elliptic leaves, white or pale green flowers and oval fruit.