Leonard Cockayne

Crassula helmsii, known as swamp stonecrop or New Zealand pigmyweed, is an aquatic or semiterrestrial species of succulent plant in the family Crassulaceae. Originally found in Australia and New Zealand, it has been introduced around the world. In the United Kingdom, this plant is one of five introduced invasive aquatic plants that were banned from sale from April 2014, the first ban of its kind in the country. It is on the Global Biodiversity Information Facility's Global Register of Introduced and Invasive Species of eleven countries.

Nothofagus truncata, or hard beech (Māori: tawhairaunui), is a species of tree endemic to New Zealand. Its common name derives from the fact that the timber has a high silica content, making it tough and difficult to saw. Hard beech is a tree up to 30m tall occurring in lowland and lower montane forest from latitude 35°S to 42°30'S, that is, from the north of the North Island southwards to Marlborough and south Westland in the South Island. In Taranaki it forms almost pure stands on the rugged sandstone country there and is partially deciduous, dropping many of its leaves at the end of the

Pteridium esculentum, commonly known as bracken fern, Austral bracken or simply bracken, is a species of the bracken genus native to a number of countries in the Southern Hemisphere. Although it is now known to contain the carcinogen ptaquiloside, the rhizome of the plant was a staple in traditional Māori diets in New Zealand and was eaten by Indigenous Australians.

Libertia peregrinans, commonly known as mikoikoi and the New Zealand iris, is a species of flowering plant in the family Iridaceae. It is endemic to New Zealand; its range covers the North, South, and Stewart Islands. It also occurs on the Chatham Islands. L. peregrinans inhabits coastal to lowland areas. It typically occurs near coastal scrub, beaches, dune systems, estuaries, and river mouths. It was first described by Leonard Cockayne and Harry Allan in 1927, formerly being included in the L. ixioides taxon. Its specific epithet, peregrinans, means 'wandering'.

Dracophyllum arboreum, commonly known as Chatham Island grass tree and tarahinau (Moriori), is a species of tree in the heath family Ericaceae. Endemic to the Chatham Islands of New Zealand, it reaches a height of 18 m (60 ft) and has leaves that differ between the juvenile and adult forms. D. arboreum has wide light green leaves in its juvenile form, which become thin needles as it gains maturity. Flowering occurs from November through to February, yielding small white flowers which later become tiny brown fruit. It inhabits many different types of vegetation communities from near sea level

Fuchsia perscandens, commonly known as climbing fuchsia or scrambling fuchsia, is a species of plant endemic to New Zealand and belonging to the family Onagraceae. Fuchsia perscandens belongs to the South Pacific Skinnera section, which consists of three species and a hybrid. The name of this species comes from the Latin scandere, which means 'climbing', referring to the growth of the plant.

Coprosma chathamica, commonly known as the Chatham Island karamū, is a species of tree found in New Zealand, endemic to the Chatham Islands.

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Veronica barkeri, synonym Hebe barkeri, is a species of plant in the family Plantaginaceae. It is endemic to the Chatham Islands. It is threatened by habitat loss. It was featured as Critter of the Week by Radio New Zealand on 17 May 2019.

Ourisia crosbyi is a species of flowering plant in the family Plantaginaceae that is endemic to the South Island of New Zealand. Leonard Cockayne described O. crosbyi in 1915. Plants of this species of New Zealand foxglove are showy, perennial, large-leaved, tufted, rhizomatous herbs that are hairy with non-glandular hairs. They have serrate, ovate, hairy leaves. The flowers are in whorls in each node, with a regular calyx, and a large, white irregular corolla. The corolla tube is yellow with three lines of yellow hairs inside. It is found in montane forests and is listed as Not Threatened.

Bulbinella gibbsii, commonly known as Gibbs's Māori onion, is a species of flowering plant in the family Asphodelaceae. It is endemic to New Zealand, primarily found in the South Island. B. gibbsii is typically found in cold habitats in soils with high water content, and typically in tussock grasslands. There are two recognised varieties of B. gibbsii, var. gibbsii and var. balanifera. B. gibbsii, var. gibbsii reaches a height of up to 300 mm tall, while var. balanifera can reach 600 mm tall. B. gibbsii was first described in 1909 by the New Zealand botanist Leonard Cockayne, var. balanifera

Anisotome filifolia is a species of flowering plant, endemic to New Zealand. Its seeds are wind-dispersed, and is montane.

Aciphylla scott-thomsonii, also called giant speargrass or taramea, is a species of Aciphylla native to New Zealand.

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Sophora chathamica, the coastal kōwhai, sometimes known as Chatham Island kōwhai, is one of 8 species of native sophora or kōwhai in New Zealand and grows naturally in the north-west of the North Island in New Zealand, as far south as the Tongaporutu River in north Taranaki, and as far north as Te Paki. It can also be found growing near Wellington and the Chatham Islands, although these later plantings are thought to be a result of Māori plantings in the late 18th century and early 19th century. Prior to 2001, it was included as variant of Sophora microphylla, therefore references to either

Pittosporum divaricatum is a species of plant in the Pittosporaceae family. It is a New Zealand endemic shrub growing up to 3 metres high. It has densely entangled branches growing in a divaricating form typical of many New Zealand small leaved shrubs. It exhibits a form of dimorphism with leaves differing in form between the juvenile and adult stages and in the adult leaves where two distinct forms are found. The juvenile leaves are narrowly lanceolate to obovate with margins pinnatifid to dentate. The adult leaves exist in two forms, either entire, or almost so, or deeply lobed or toothed.

Shawia arborescens, also known as common tree daisy and pekapeka by Māori, is a common shrub or small tree of New Zealand. It has also been called the Glossy Tree Daisy and the Forest Tree Daisy. It grows in lowland to alpine scrubland in the North Island from East Cape southwards, and throughout the South and Stewart Islands.

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