Nigel P. Barker

Danthonioideae is a mainly Southern Hemisphere subfamily of grasses, containing the single tribe Danthonieae and one unplaced genus, with altogether roughly 300 species. It includes herbaceous to partially woody perennial or annual (less common) grasses that grow in open grasslands, shrublands, and woodlands. It belongs to the PACMAD clade of grasses, but unlike some other lineages in that clade, grasses in the Danthonioideae exclusively use the C3 photosynthetic pathway. Its sister group is the subfamily Chloridoideae. There are 19 genera, 18 of which are placed in tribe Danthonieae, while

Austroderia is a genus of five species of tall grasses native to New Zealand, commonly known as toetoe (from Māori). The species are A. toetoe, A. fulvida, A. splendens, A. richardii and A. turbaria. They were recently reclassified in 2011 from the genus Cortaderia. Two closely related South American species are Cortaderia jubata and C. selloana (pampas grass), which have been introduced to New Zealand and are often mistaken for toetoe. These introduced species tend to take over from the native toetoe and are regarded as invasive weeds.

Austroderia richardii, syn. Cortaderia richardii, is a species of flowering plant in the family Poaceae. It is an evergreen perennial grass. The genus Austroderia is often confused with "pampas grass", which usually refers to Cortaderia selloana. "Early pampas-grass" is a more specific name. The name "tussock grass" may also be found. The Māori name is "toetoe". It is one of five species commonly called toetoe in the genus Austroderia that are endemic to New Zealand. It occurs in the South Island and possibly also in the North Island. It is also an introduced species in Tasmania, Australia.

Austroderia splendens, the toetoe, is a species of grass in the family Poaceae, native to New Zealand.

Tenaxia is a genus of Asian and African plants in the grass family. Species Tenaxia aureocephala (J.G.Anderson) N.P.Barker & H.P.Linder - KwaZulu-Natal Tenaxia cachemyriana (Jaub. & Spach) N.P.Barker & H.P.Linder - Afghanistan, Tibet, Tajikistan, Jammu and Kashmir, Nepal, Uttarakhand, Himachal Pradesh Tenaxia cumminsii (Hook.f.) N.P.Barker & H.P.Linder - Pakistan, Jammu and Kashmir, Nepal, Uttarakhand, Himachal Pradesh Tenaxia disticha (Nees) N.P.Barker & H.P.Linder - Zimbabwe, Cape Province, Lesotho, KwaZulu-Natal, Free State Tenaxia dura (Stapf) N.P.Barker & H.P.Linder - Cape Province

Centropodieae is a tribe of grasses containing only two genera. It is the earliest-branching lineage in the subfamily Chloridoideae and contains its only genus with C3 species, Ellisochloa, while all other species in the tribe and subfamily use the C4 photosynthetic pathway.

Capeochloa is a genus of South African plants in the grass family. It contains three species of perennial grasses endemic to the Cape Provinces. Species Capeochloa arundinacea (P.J.Bergius) N.P.Barker & H.P.Linder Capeochloa cincta (Nees) N.P.Barker & H.P.Linder Capeochloa setacea (N.P.Barker) N.P.Barker & H.P.Linder

Austroderia turbaria is a species of flowering plant in the family Poaceae and is endemic to the Chatham Islands of New Zealand. It is commonly called the Chatham Island toetoe and is in the genus Austroderia.

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Geochloa is a genus of South African plants in the grass family. Species Geochloa decora (Nees) N.P.Barker & H.P.Linder - Cape Province Geochloa lupulina (L.f.) N.P.Barker & H.P.Linder - Cape Province Geochloa rufa (Nees) N.P.Barker & H.P.Linder - Cape Province

Ellisochloa is a genus of Namibian and South African plants in the grass family. Species Ellisochloa papposa (Nees) P.M.Peterson & N.P.Barker - Cape Province Ellisochloa rangei (Pilg.) P.M.Peterson & N.P.Barker - Namibia

Austroderia toetoe is a species of flowering plant in the family Poaceae and is native to the North Island of New Zealand. It is one of five species commonly called toetoe in the genus Austroderia that are endemic to New Zealand.

Austroderia fulvida, the toetoe, is a species of grass in the family Poaceae, native to New Zealand. As its synonym Cortaderia fulvida it has gained the Royal Horticultural Society's Award of Garden Merit as an ornamental.

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