John Wyndham Dawson

Metrosideros bartlettii, commonly known as Bartlett's rātā, is a rare species of tree in the family Myrtaceae. It is endemic to the Northland Region in New Zealand's North Island. Bartlett's rātā reaches a height of up to 30 metres (100 feet) with a trunk of 1–1.5 metres (3 ft 3 in – 4 ft 11 in) in diameter. The species is classified in the subgenus Metrosideros and is known for its distinct whitish, paper-like bark and small white-coloured flowers. Bartlett's rātā was first discovered in 1975 by the New Zealand botanist and schoolteacher John Bartlett, who accidentally discovered the species

Gingidia is a genus of flowering plants belonging to the family Apiaceae. Its native range is Southeastern Australia, New Zealand. Species: Gingidia algens (F.Muell.) J.W.Dawson Gingidia amphistoma Heenan Gingidia baxteri (J.W.Dawson) C.J.Webb Gingidia decipiens (Hook.f.) J.W.Dawson Gingidia enysii (Kirk) J.W.Dawson Gingidia flabellata (Kirk) J.W.Dawson Gingidia grisea Heenan Gingidia haematitica Heenan Gingidia harveyana (F.Muell.) J.W.Dawson Gingidia montana (J.R.Forst. & G.Forst.) J.W.Dawson Gingidia rupicola I.Telford & J.J.Bruhl Gingidia trifoliolata (Hook.f.) J.W.Dawson

Lignocarpa is a genus of flowering plants belonging to the family Apiaceae. Its native range is New Zealand. Species: Lignocarpa carnosula (Hook.f.) J.W.Dawson Lignocarpa diversifolia (Cheeseman) J.W.Dawson

Melaleuca pancheri is a shrub or small tree in the myrtle family, Myrtaceae and is endemic to the south of Grande Terre, the main island of New Caledonia. It is one of only a few members of its genus to occur outside Australia and was formerly known as Callistemon pancheri Brongn. & Gris.

Syzygium acre is an understory rainforest tree in the family Myrtaceae that is endemic to New Caledonia.

Scandia is a genus of flowering plants belonging to the family Apiaceae. It is also in tribe Aciphylleae, with plants, Gingidia Dawson and Lignocarpa Dawson, with all three genera being native to New Zealand. They are scrambling shrubs with white flowers.

Tristaniopsis yateensis is a species of plant in the family Myrtaceae. It is endemic to New Caledonia. It is threatened by habitat loss.

Tristaniopsis reticulata is a species of plant in the family Myrtaceae. It is endemic to New Caledonia.

Tristaniopsis minutiflora is a species of plant in the family Myrtaceae. It is endemic to New Caledonia.

Tristaniopsis macphersonii is a species of plant in the family Myrtaceae. It is endemic to New Caledonia.

Tristaniopsis lucida is a species of plant in the family Myrtaceae. It is endemic to New Caledonia.

Syzygium elegans is a shrub belonging to the Myrtaceae family. It is found on the island of New Caledonia and grows to a height of 1 to 2 m (3 ft 3 in to 6 ft 7 in). Syzygium elegans is found on or beside creeks and streams. Leaves are linear or oblanceolate, 2.5 to 4 cm (0.98 to 1.57 in) long and about 0.3 to 0.6 cm (0.12 to 0.24 in) in width. Flowers are white, they have 4 sepals and 4 petals. Which is then followed by a white or red fruit, which contains one seed.

Metrosideros sclerocarpa, commonly known as the mountain rose, is a flowering plant in the family Myrtaceae. It is endemic to Lord Howe Island.

Gingidia montana, or mountain aniseed, New Zealand aniseed, koheriki, Māori anise, native angelica, or naupiro, is a species of flowering plant,endemic to New Zealand. It used to exist across the North and South Islands, but is now quite rare in the North Island due to heavy grazing by introduced herbivores.

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Metrosideros punctata is a species of plant in the family Myrtaceae. It is endemic to New Caledonia. It is threatened by habitat loss. It was first described by John Dawson.

Melaleuca buseana is a shrub or small tree in the myrtle family, Myrtaceae, and is endemic to the south of Grande Terre, the main island of New Caledonia. It is one of only a few members of its genus to occur outside Australia and was formerly known as Callistemon buseanus.

Melaleuca brevisepala is a shrub in the myrtle family, Myrtaceae and is endemic to the north-west of Grande Terre, the main island of New Caledonia where it is known from only a few locations. It is one of only a few members of its genus to occur outside Australia.

Lignocarpa diversifolia is a species of Apiaceae native to alpine New Zealand.

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Melaleuca sphaerodendra is a plant in the myrtle family Myrtaceae, and is endemic to Grande Terre, the main island of New Caledonia. It is one of only a few members of its genus to occur outside Australia and was previously known as Callistemon gnidioides Guillaumin.

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