Bryony Hope Macmillan

Acaena rorida is an endemic species of mat-forming perennial plant known only from grassy uplands on the Mangaohane Plateau in the northwestern part of the Ruahine Range in the North Island of New Zealand. Within its range, this plant occurs in areas with moist, stable soils such as in hollows in tussocklands and the floors of ravines. It can be distinguished from its closest congeners by the purple or dull green (rather than bright green) foliage and the sessile fruits which are often hidden among the leaves rather than being borne above. Flowering occurs in December and January with fruit

Acaena tesca is a species of low growing perennial plant restricted to the upper slopes of the mountains of central Otago and northern Southland in the South Island of New Zealand. This plant spreads using subterranean stems and forms mats in suitable areas. Its habitat is among the high, bleak tussock grasslands of central South Island, growing between tussocks and around rock outcrops. It can be distinguished from its closest congeners by the glaucous leaves with red teeth and its spreading, mat-forming (rather than compact) habit. Flowering occurs in January with fruit being produced in

Acaena juvenca is a species of perennial plant found in scrubland and forest margins up to an altitude of 1,200 metres (3,900 ft) on the eastern side of both North and South Islands, New Zealand. This plant has slender reddish brown branches, often growing prostrately, each ending in three distinctively rounded leaflets which are green, not glaucous as in many of its congeners. This species is usually found at the margins of forests of broad-leaved trees such as Nothofagus and in scrubland dominated by Leptospermum scoparium and Kunzea ericoides. Flowering occurs from November to February

Acaena emittens is a species of perennial plant limited to scrubland and forest clearings at an altitude of 450–1,500 metres (1,480–4,920 feet) in the central North Island of New Zealand. This plant has slender dark brown branches, growing prostrately, up to 50 cm in length. Each branch ends in three distinctively rounded green leaflets which are hairy but not glaucous as in many of its congeners. This species is usually found within clearings in open forests of Nothofagus and in scrubland dominated by Leptospermum scoparium. Flowering occurs from December to February with fruit being

Acaena dumicola is a species of perennial plant found only in scrubby and rocky habitats at altitudes of between 300 and 1200 m in the South Island of New Zealand. This is a low plant distinctive for its prostrate branches each ending in three bluish-green leaflets. The margins of these leaflets are minutely toothed, the teeth often being reddish brown. It often grows as a ground cover plant beneath thickets of matagouri (Discaria toumatou). Flowering occurs in November and December with fruit being produced in January.

Nertera villosa, the hairy forest nertera, is a species of flowering plant, endemic to New Zealand.

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